/* Theme Definitions — Deep Midnight Slate & Radiant Emerald / Modern Dark */
html[data-theme='dark'],
:root {
    --bg-deep: #0b0f19;
    --bg-card: rgba(17, 24, 39, 0.88);
    --bg-card-hover: rgba(30, 41, 59, 0.95);
    --border: rgba(255, 255, 255, 0.08);
    --border-subtle: rgba(255, 255, 255, 0.04);
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --text-subtle: #64748b;
    --nav-bg: rgba(11, 15, 25, 0.92);
    --nav-border: rgba(255, 255, 255, 0.08);
    --nav-text: #94a3b8;
    --nav-text-hover: #ffffff;
    --nav-text-active: #10b981;
    --accent: #10b981;
    --accent-hover: #059669;
    --accent-soft: rgba(16, 185, 129, 0.15);
    --yellow-accent: #f59e0b;
    --yellow-accent-soft: rgba(245, 158, 11, 0.15);
    --purple: #8b5cf6;
    --purple-soft: rgba(139, 92, 246, 0.15);
    --success: #10b981;
    --danger: #ef4444;
    --radius: 0.75rem;
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    --font-body: "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-display: "Plus Jakarta Sans", "Be Vietnam Pro", sans-serif;
    --font-reader: "Lora", "Be Vietnam Pro", "Merriweather", Georgia, serif;
    --player-height: 5.5rem;
    --player-settings-height: 7.5rem;
}

html[data-theme='light'] {
    --bg-deep: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --border: #e2e8f0;
    --border-subtle: #f1f5f9;
    --text: #0f172a;
    --text-muted: #64748b;
    --text-subtle: #94a3b8;
    --nav-bg: rgba(255, 255, 255, 0.94);
    --nav-border: #e2e8f0;
    --nav-text: #334155;
    --nav-text-hover: #0f172a;
    --nav-text-active: #10b981;
    --accent: #10b981;
    --accent-hover: #059669;
    --accent-soft: rgba(16, 185, 129, 0.12);
    --yellow-accent: #d97706;
    --yellow-accent-soft: rgba(217, 119, 6, 0.12);
    --purple: #7c3aed;
    --purple-soft: rgba(124, 58, 237, 0.12);
    --success: #10b981;
    --danger: #ef4444;
    --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    font-family: var(--font-body);
    color: var(--text);
    background: var(--bg-deep);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Global High-Contrast Text Overrides */
.text-muted {
    color: var(--text-muted) !important;
}

.text-secondary {
    color: var(--text-muted) !important;
}

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
    color: var(--text);
}

/* Form Controls & Select Inputs High-Contrast */
.form-control, .form-select {
    color: var(--text) !important;
    background-color: var(--bg-card) !important;
    border: 1px solid var(--border) !important;
    font-weight: 500;
}

.form-control:focus, .form-select:focus {
    color: var(--text) !important;
    background-color: var(--bg-card) !important;
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px var(--accent-soft) !important;
}

.form-control::placeholder {
    color: var(--text-muted) !important;
    opacity: 0.8;
}

html[data-theme='light'] .form-control, 
html[data-theme='light'] .form-select {
    background-color: #ffffff !important;
    color: #0f172a !important;
    border-color: #cbd5e1 !important;
}

html[data-theme='light'] .form-control::placeholder {
    color: #64748b !important;
}

html[data-theme='light'] .glass-card,
html[data-theme='light'] .hot-story-card {
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05) !important;
}

html[data-theme='light'] .glass-card:hover,
html[data-theme='light'] .hot-story-card:hover {
    border-color: #10b981 !important;
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.12) !important;
}

html[data-theme='light'] .hot-story-title a,
html[data-theme='light'] .section-title-green {
    color: #0f172a !important;
}

html[data-theme='light'] .slider-card-img-wrapper {
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.15);
}

html[data-theme='light'] .slider-item.pos-active {
    filter: drop-shadow(0 12px 28px rgba(16, 185, 129, 0.25));
}

html[data-theme='light'] .btn-ghost {
    color: #475569 !important;
    background: #f1f5f9 !important;
    border: 1px solid #e2e8f0 !important;
}

html[data-theme='light'] .btn-ghost:hover,
html[data-theme='light'] .btn-ghost.active {
    color: #0f172a !important;
    background: #e2e8f0 !important;
}

html[data-theme='light'] .bg-dark {
    background-color: #f1f5f9 !important;
    color: #64748b !important;
}

html[data-theme='light'] .app-navbar {
    background: rgba(255, 255, 255, 0.92) !important;
    border-bottom: 1px solid #e2e8f0 !important;
}

body.app-body {
    display: flex;
    flex-direction: column;
}

.bg-glow {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
    background:
        radial-gradient(ellipse 80% 50% at 20% -10%, rgba(99, 102, 241, 0.14), transparent 55%),
        radial-gradient(ellipse 60% 40% at 90% 10%, rgba(16, 185, 129, 0.1), transparent 50%),
        radial-gradient(ellipse 50% 30% at 50% 100%, rgba(139, 92, 246, 0.08), transparent 55%),
        linear-gradient(180deg, #0b0f19 0%, #060911 100%);
}

.bg-glow::before,
.bg-glow::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 18s ease-in-out infinite;
}

.bg-glow::before {
    width: 420px;
    height: 420px;
    top: -120px;
    left: -80px;
    background: rgba(99, 102, 241, 0.12);
}

.bg-glow::after {
    width: 360px;
    height: 360px;
    right: -60px;
    bottom: 10%;
    background: rgba(16, 185, 129, 0.08);
    animation-delay: -9s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, -16px) scale(1.05); }
}

.app-navbar {
    backdrop-filter: blur(16px);
    background: rgba(11, 15, 25, 0.85) !important;
    border-bottom: 1px solid var(--border) !important;
    padding-block: 0.85rem;
}

.navbar-brand {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.35rem;
    letter-spacing: -0.02em;
    color: var(--text) !important;
}

.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 0.65rem;
    background: linear-gradient(135deg, var(--purple), var(--accent));
    color: #fff;
    font-size: 1rem;
    margin-right: 0.55rem;
    vertical-align: middle;
    box-shadow: 0 8px 24px rgba(168, 123, 199, 0.35);
}

.nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
    padding: 0.45rem 0.85rem !important;
    border-radius: 999px;
    transition: color 0.2s, background 0.2s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text) !important;
    background: rgba(255, 255, 255, 0.06);
}

.app-main {
    flex: 1;
    width: min(1550px, 94%);
    margin: 0 auto;
    padding: 2rem 1.25rem 4rem;
}

.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.35rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    margin: 0 0 0.35rem;
    line-height: 1.15;
}

.page-subtitle {
    color: var(--text-muted);
    margin: 0;
    font-size: 1.02rem;
}

.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
}

.min-w-0 {
    min-width: 0 !important;
}

.user-book-thumb, .user-book-thumb-placeholder {
    flex-shrink: 0 !important;
}

.genre-badge-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    max-width: 100%;
}

.genre-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.55rem;
    font-size: 0.72rem;
    font-weight: 500;
    border-radius: 999px;
    background: rgba(168, 123, 199, 0.15);
    color: #c9a9dd;
    border: 1px solid rgba(168, 123, 199, 0.3);
    white-space: nowrap;
    max-width: 100%;
    text-overflow: ellipsis;
    overflow: hidden;
}

.glass-card-hover {
    transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.glass-card-hover:hover {
    transform: translateY(-3px);
    background: var(--bg-card-hover);
    border-color: rgba(16, 185, 129, 0.25);
    box-shadow: 0 28px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(16, 185, 129, 0.08);
}

.hover-accent {
    transition: color 0.2s ease;
}

.hover-accent:hover {
    color: var(--accent) !important;
}

.transition-transform {
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.group-hover-zoom:hover .transition-transform {
    transform: scale(1.05);
}

.btn-accent {
    --bs-btn-color: #ffffff;
    --bs-btn-bg: linear-gradient(135deg, #10b981, #059669);
    --bs-btn-border-color: transparent;
    --bs-btn-hover-bg: linear-gradient(135deg, #34d399, #10b981);
    --bs-btn-hover-border-color: transparent;
    --bs-btn-active-bg: #047857;
    background: linear-gradient(135deg, #10b981, #059669);
    border: none;
    color: #ffffff !important;
    font-weight: 600;
    border-radius: 999px;
    padding: 0.55rem 1.25rem;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-accent:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.45);
    color: #ffffff !important;
}

.btn-ghost {
    --bs-btn-color: var(--text);
    --bs-btn-border-color: var(--border);
    --bs-btn-hover-bg: rgba(255, 255, 255, 0.06);
    --bs-btn-hover-border-color: rgba(255, 255, 255, 0.18);
    --bs-btn-hover-color: var(--text);
    border-radius: 999px;
    font-weight: 500;
}

.form-label {
    color: var(--text);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}

.form-control,
.form-select {
    background: rgba(255, 255, 255, 0.04) !important;
    border: 1px solid var(--border) !important;
    color: var(--text) !important;
    border-radius: 0.75rem !important;
    padding: 0.75rem 1rem !important;
}

.form-control:focus,
.form-select:focus {
    border-color: rgba(168, 123, 199, 0.5) !important;
    box-shadow: 0 0 0 0.2rem rgba(168, 123, 199, 0.15) !important;
}

.form-control::placeholder {
    color: #6e6255 !important;
}

.input-group-text {
    background: rgba(255, 255, 255, 0.04) !important;
    border-color: var(--border) !important;
    color: var(--text-muted) !important;
}

.form-text {
    color: var(--text-muted) !important;
}

.alert-app {
    border-radius: 0.85rem;
    border: 1px solid transparent;
    backdrop-filter: blur(8px);
}

.alert-success-app {
    background: rgba(82, 199, 158, 0.12);
    border-color: rgba(82, 199, 158, 0.25);
    color: #7dd9b5;
}

.alert-danger-app {
    background: rgba(226, 112, 95, 0.12);
    border-color: rgba(226, 112, 95, 0.25);
    color: #f0a99c;
}

.alert-warning-app {
    background: rgba(245, 158, 11, 0.12);
    border-color: rgba(245, 158, 11, 0.3);
    color: #fbbf24;
}

.tag-masked {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    background: rgba(245, 158, 11, 0.12);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.chapter-edit-area {
    width: 100%;
    min-height: 28rem;
    font-family: var(--font-body);
    font-size: 0.98rem;
    line-height: 1.7;
    color: var(--text);
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) - 0.25rem);
    padding: 1rem 1.1rem;
    resize: vertical;
}

.badge-status {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
}

.badge-draft {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
}

.badge-ready {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
}

.badge-error {
    background: rgba(239, 68, 68, 0.15);
    color: #f0a99c;
}

.book-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.book-card-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    margin: 0 0 0.35rem;
    color: var(--text);
}

.book-card-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
}

.empty-state-icon {
    width: 4.5rem;
    height: 4.5rem;
    margin: 0 auto 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 1.25rem;
    background: var(--purple-soft);
    color: var(--purple);
    font-size: 2rem;
}

.chapter-item {
    padding: 1rem 1.15rem;
    border-bottom: 1px solid var(--border);
}

.chapter-item:last-child {
    border-bottom: none;
}

.chapter-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.65rem;
    background: rgba(16, 185, 129, 0.12);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.25);
    font-weight: 700;
    font-size: 0.85rem;
    margin-right: 0.85rem;
    flex-shrink: 0;
}

.chapter-preview {
    color: var(--text-muted);
    font-size: 0.92rem;
    margin: 0.25rem 0 0;
}

.chapter-text {
    display: block;
    color: var(--text);
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 6rem;
    overflow: hidden;
    line-height: 1.55;
}

.chapter-text.translated {
    color: #c9a9dd;
}

.chapter-actions {
    min-width: 9.5rem;
    flex-shrink: 0;
}

.tag-translated {
    color: #34d399;
    background: rgba(16, 185, 129, 0.12);
}

.chapter-full-text {
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.7;
    color: var(--text);
    max-height: 70vh;
    overflow-y: auto;
}

.chapter-full-text.translated {
    color: #c9a9dd;
}

.tag-untranslated {
    display: inline-block;
    font-size: 0.72rem;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-muted);
}

.toggle-ch-publish-btn {
    font-size: 0.72rem;
    line-height: 1.2;
    padding: 0.18rem 0.55rem;
    border-radius: 9999px;
    transition: all 0.2s ease;
    cursor: pointer;
    text-decoration: none;
    font-weight: 600;
}

.toggle-ch-publish-btn.is-published {
    background: rgba(16, 185, 129, 0.12) !important;
    border: 1px solid rgba(16, 185, 129, 0.35) !important;
    color: #34d399 !important;
}

.toggle-ch-publish-btn.is-published:hover {
    background: rgba(16, 185, 129, 0.22) !important;
    color: #6ee7b7 !important;
}

.toggle-ch-publish-btn.is-hidden {
    background: rgba(245, 158, 11, 0.12) !important;
    border: 1px solid rgba(245, 158, 11, 0.35) !important;
    color: #fbbf24 !important;
}

.toggle-ch-publish-btn.is-hidden:hover {
    background: rgba(245, 158, 11, 0.22) !important;
    color: #fcd34d !important;
}

.upload-zone {
    border: 2px dashed rgba(168, 123, 199, 0.35);
    border-radius: 1rem;
    padding: 2.5rem 1.5rem;
    text-align: center;
    background: rgba(168, 123, 199, 0.04);
    transition: border-color 0.2s, background 0.2s;
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: rgba(201, 150, 47, 0.5);
    background: rgba(201, 150, 47, 0.06);
}

.upload-zone-icon {
    font-size: 2.5rem;
    color: var(--purple);
    margin-bottom: 0.75rem;
}

.hero-card {
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.hero-card::after {
    content: "";
    position: absolute;
    top: -40%;
    right: -10%;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(201, 150, 47, 0.12), transparent 70%);
    pointer-events: none;
}

.hero-stat {
    text-align: center;
    padding: 1rem;
}

.hero-stat-value {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--accent);
}

.hero-stat-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
}

.meta-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.88rem;
}

.meta-chip a {
    color: var(--accent);
    text-decoration: none;
}

.meta-chip a:hover {
    text-decoration: underline;
}

.navbar-toggler {
    border-color: var(--border) !important;
}

.navbar-toggler-icon {
    filter: invert(1) opacity(0.7);
}

.app-footer {
    border-top: 1px solid var(--border);
    padding: 1.25rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Mobile bottom tab bar */
.mobile-tab-bar {
    display: none;
}

@media (max-width: 767.98px) {
    .mobile-tab-bar {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1030;
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        align-items: center;
        height: 4.4rem;
        padding: 0 0.35rem calc(0.55rem + env(safe-area-inset-bottom, 0px));
        background: var(--nav-bg);
        backdrop-filter: blur(16px);
        border-top: 1px solid var(--nav-border);
    }

    /* Chapter reading page already has its own sticky audio player bar —
       don't stack a second fixed bar under it. */
    body:has(.audio-player) .mobile-tab-bar {
        display: none;
    }

    .app-main {
        padding-bottom: 5.5rem;
    }

    body:has(.audio-player) .app-main {
        padding-bottom: 2rem;
    }
}

.mobile-tab-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    height: 100%;
    color: var(--text-subtle);
    text-decoration: none;
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.mobile-tab-link i {
    font-size: 1.15rem;
    line-height: 1;
}

.mobile-tab-link.active {
    color: var(--accent);
}

.mobile-tab-link--center {
    color: var(--text-muted);
}

.mobile-tab-link--center.active {
    color: var(--accent);
}

.mobile-tab-fab {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: 999px;
    margin-top: -1.6rem;
    background: linear-gradient(170deg, #10b981, #059669);
    color: #ffffff;
    font-size: 1.15rem;
    box-shadow: 0 8px 22px rgba(16, 185, 129, 0.4), 0 0 0 4px var(--bg-deep);
}

.genre-badge-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.genre-checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* Modern Genre Multi-Select Dropdown */
.genre-dropdown-trigger {
    background: rgba(17, 24, 39, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    min-height: 2.85rem;
    cursor: text;
    transition: all 0.2s ease;
}

.genre-dropdown-trigger:focus-within,
.genre-dropdown-wrapper.is-open .genre-dropdown-trigger {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2) !important;
}

.genre-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.15s ease;
    user-select: none;
}

.genre-chip:hover {
    background: rgba(16, 185, 129, 0.18);
    border-color: rgba(16, 185, 129, 0.5);
}

.genre-chip .genre-chip-remove {
    background: transparent;
    border: 0;
    padding: 0;
    color: #34d399;
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0.7;
    display: flex;
    align-items: center;
    transition: opacity 0.15s, color 0.15s;
}

.genre-chip .genre-chip-remove:hover {
    opacity: 1;
    color: #e2705f;
}

.genre-search-input {
    outline: none !important;
    box-shadow: none !important;
}

.genre-search-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.genre-dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: #231f1a;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    z-index: 1050;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.75);
}

.genre-option-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.55rem 0.85rem !important;
    transition: background 0.15s ease;
    user-select: none;
}

.genre-option-item.d-none,
.genre-option-item[hidden],
.genre-option-item[style*="display: none"] {
    display: none !important;
}

.genre-option-item .genre-checkbox {
    flex-shrink: 0;
    margin: 0 !important;
    margin-right: 0.75rem !important;
    cursor: pointer;
    width: 1.15rem;
    height: 1.15rem;
}

.genre-option-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

.genre-option-item.is-selected {
    background: rgba(201, 150, 47, 0.1);
}

.genre-option-item.is-selected .genre-name-label {
    color: var(--accent) !important;
    font-weight: 600;
}

.genre-option-item.is-selected .check-icon {
    display: inline-block !important;
}

.genre-create-option {
    background: rgba(201, 150, 47, 0.08);
    cursor: pointer;
    transition: background 0.15s ease;
}

.genre-create-option:hover {
    background: rgba(201, 150, 47, 0.18);
}

.genre-dropdown-wrapper.is-open .genre-arrow {
    transform: rotate(180deg);
}

.genre-arrow {
    transition: transform 0.2s ease;
}

.genre-check {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    font-size: 0.88rem;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
    margin: 0;
}

.genre-check:has(input:checked) {
    background: var(--accent-soft);
    border-color: rgba(201, 150, 47, 0.35);
    color: var(--accent);
}

.genre-check input {
    accent-color: var(--accent);
}

.genre-picker {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}

.genre-picker .form-select {
    flex: 1;
}

.genre-add-toggle {
    flex-shrink: 0;
    width: 2.75rem;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.genre-add-panel .glass-card {
    border-color: rgba(168, 123, 199, 0.25);
    background: rgba(168, 123, 199, 0.04);
}

/* Form sections */
.form-card {
    max-width: 720px;
}

.form-section {
    padding-bottom: 1.75rem;
    margin-bottom: 1.75rem;
    border-bottom: 1px solid var(--border);
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-section-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0 0 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text);
}

.form-section-title i {
    color: var(--accent);
}

/* Language options */
.lang-options {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0.65rem;
}

.lang-option {
    display: block;
    margin: 0;
    cursor: pointer;
}

.lang-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.lang-option-body {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.9rem 1rem;
    border-radius: 0.85rem;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
    height: 100%;
}

.lang-option-body strong {
    display: block;
    color: var(--text);
    font-size: 0.95rem;
    margin-bottom: 0.15rem;
}

.lang-option-body small {
    display: block;
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.4;
}

.lang-option-flag {
    font-size: 1.35rem;
    line-height: 1;
    flex-shrink: 0;
}

.lang-option:has(input:checked) .lang-option-body {
    border-color: rgba(201, 150, 47, 0.45);
    background: var(--accent-soft);
    box-shadow: 0 0 0 1px rgba(201, 150, 47, 0.12);
}

.lang-option:has(input:checked) .lang-option-body strong {
    color: var(--accent);
}

.lang-option-disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

.lang-hint {
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    background: rgba(168, 123, 199, 0.08);
    border: 1px solid rgba(168, 123, 199, 0.2);
    color: #c9a9dd;
    font-size: 0.88rem;
}

/* Genre filter */
.genre-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.genre-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.genre-chip:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
}

.genre-chip.active {
    background: var(--accent-soft);
    border-color: rgba(201, 150, 47, 0.35);
    color: var(--accent);
}

.genre-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    background: var(--purple-soft);
    color: #c9a9dd;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* Book grid */
.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.book-card-wrap {
    min-width: 0;
}

/* Delete button */
.btn-danger-ghost {
    --bs-btn-color: var(--danger);
    --bs-btn-border-color: rgba(226, 112, 95, 0.35);
    --bs-btn-hover-bg: rgba(226, 112, 95, 0.12);
    --bs-btn-hover-border-color: rgba(226, 112, 95, 0.5);
    --bs-btn-hover-color: #f0a99c;
    border-radius: 999px;
    font-weight: 500;
}

.chapter-item-manage {
    transition: background 0.2s;
}

.chapter-item-manage:hover {
    background: rgba(255, 255, 255, 0.02);
}

.workspace-label {
    color: var(--accent);
    letter-spacing: 0.1em;
    font-weight: 600;
    font-size: 0.72rem;
}

/* Reader */
.reader-main {
    max-width: 720px;
    margin: 0 auto;
}

.reader-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.reader-back {
    font-size: 0.9rem;
}

.reader-article {
    max-width: 880px;
    margin: 0 auto 1.75rem;
    background: var(--bg-card) !important;
    border: 1px solid var(--border) !important;
    border-radius: 1.25rem;
    box-shadow: var(--shadow);
    transition: background 0.3s ease, border-color 0.3s ease;
}

html[data-theme='dark'] .reader-article {
    background: #231f1a !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
}

html[data-theme='light'] .reader-article {
    background: #ffffff !important;
    border-color: #e4dcce !important;
}

/* Reader-only display themes ("Aa" panel) — independent from the site dark/light toggle */
body[data-reader-theme="sepia"] .reader-article {
    background: #f6eee3 !important;
    border-color: rgba(180, 150, 120, 0.25) !important;
}

body[data-reader-theme="paper"] .reader-article {
    background: #ffffff !important;
    border-color: rgba(0, 0, 0, 0.1) !important;
}

body[data-reader-theme="sepia"] .reader-article .reader-content,
body[data-reader-theme="sepia"] .reader-article .reader-p,
body[data-reader-theme="sepia"] .reader-article .reader-chapter-title,
body[data-reader-theme="sepia"] .reader-article .reader-book-title,
body[data-reader-theme="sepia"] .reader-article .reader-meta {
    color: #3d3124 !important;
}

body[data-reader-theme="paper"] .reader-article .reader-content,
body[data-reader-theme="paper"] .reader-article .reader-p,
body[data-reader-theme="paper"] .reader-article .reader-chapter-title,
body[data-reader-theme="paper"] .reader-article .reader-book-title,
body[data-reader-theme="paper"] .reader-article .reader-meta {
    color: #1e293b !important;
}

body[data-reader-theme="sepia"] .reader-article .reader-p:hover,
body[data-reader-theme="paper"] .reader-article .reader-p:hover {
    background: rgba(0, 0, 0, 0.04);
}

body[data-reader-theme="sepia"] .reader-article .reader-p.active-reading,
body[data-reader-theme="paper"] .reader-article .reader-p.active-reading {
    background: rgba(16, 185, 129, 0.14) !important;
    border-left-color: #10b981 !important;
}

/* "Aa" reading-settings trigger + panel */
.reader-settings-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 0.6rem;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    flex-shrink: 0;
    transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.reader-settings-btn.active,
.reader-settings-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
}

.reader-settings-panel {
    max-width: 880px;
    margin: 0 auto 1.25rem;
    padding: 1rem 1.15rem 1.15rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    background: var(--bg-card);
    box-shadow: var(--shadow);
}

.reader-settings-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.reader-settings-row + .reader-settings-row {
    margin-top: 0.85rem;
    padding-top: 0.85rem;
    border-top: 1px solid var(--border-subtle);
}

.reader-settings-label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-subtle);
}

.reader-theme-swatches {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    flex: 1;
    margin-left: 1rem;
}

.reader-theme-swatch {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 0.5rem 0.4rem;
    border-radius: 0.6rem;
    border: 1.5px solid var(--border);
    font-size: 0.72rem;
    font-weight: 600;
    transition: border-color 0.2s;
}

.reader-theme-swatch.active {
    border-color: var(--accent);
}

.reader-theme-swatch span.swatch-aa {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
}

.reader-font-stepper {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.reader-font-step-btn {
    width: 2.1rem;
    height: 2.1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.reader-font-step-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    min-width: 2.2rem;
    text-align: center;
}

.reader-book-title {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    margin: 0;
}

.reader-chapter-title {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    font-weight: 700;
    margin: 0 0 0.4rem;
    line-height: 1.3;
    color: var(--text);
}

.reader-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.reader-content {
    font-family: var(--font-reader);
    font-size: calc(1.15rem * var(--reader-font-scale, 1));
    line-height: 1.95;
    color: var(--text);
    letter-spacing: 0.01em;
    word-break: break-word;
    white-space: pre-wrap;
}

.reader-p {
    margin-bottom: 1.35rem;
    padding: 0.35rem 0.65rem;
    border-radius: 0.5rem;
    border-left: 3px solid transparent;
    line-height: 1.95;
    font-size: calc(1.15rem * var(--reader-font-scale, 1));
    color: var(--text);
    white-space: pre-wrap;
    word-break: break-word;
    display: block;
    transition: background 0.2s ease, border-color 0.2s ease;
    cursor: pointer;
}

.reader-p:last-child {
    margin-bottom: 0;
}

.reader-p:hover {
    background: rgba(255, 255, 255, 0.04);
}

html[data-theme='light'] .reader-p:hover {
    background: rgba(13, 11, 10, 0.03);
}

.reader-p.active-reading {
    background: rgba(227, 178, 92, 0.12) !important;
    border-left-color: var(--accent) !important;
    color: var(--text) !important;
    font-weight: 500;
}

.reader-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding-bottom: 1rem;
}

.reader-with-player {
    padding-bottom: 0.5rem;
}

body:has(.audio-player) .app-main {
    padding-bottom: calc(var(--player-height) + 1.25rem);
}

body:has(.audio-player.is-settings-open) .app-main {
    padding-bottom: calc(var(--player-height) + var(--player-settings-height) + 1.25rem);
}

body:has(.audio-player) .app-footer {
    margin-bottom: var(--player-height);
}

.reader-nav-btn {
    min-width: 7rem;
}

.reader-nav-spacer {
    min-width: 7rem;
}

.chapter-list-read {
    display: flex;
    flex-direction: column;
}

.chapter-read-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    transition: background 0.2s;
}

.chapter-read-item:last-child {
    border-bottom: none;
}

.chapter-read-item:hover {
    background: rgba(255, 255, 255, 0.04);
}

.chapter-read-preview {
    color: var(--text-muted);
    font-size: 0.88rem;
    margin-top: 0.25rem;
}

.chapter-read-row {
    display: flex;
    align-items: stretch;
    border-bottom: 1px solid var(--border);
}

.chapter-read-row:last-child {
    border-bottom: none;
}

.chapter-read-row .chapter-read-item {
    border-bottom: none;
    flex: 1;
    min-width: 0;
}

.chapter-play-btn {
    flex-shrink: 0;
    align-self: center;
    width: 2.75rem;
    height: 2.75rem;
    margin-right: 1rem;
    border: none;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s, color 0.2s;
}

.chapter-play-btn:hover {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
    transform: scale(1.05);
}

.listen-main {
    max-width: 860px;
    margin: 0 auto;
}

.listen-hero {
    display: flex;
    gap: 1.25rem;
    align-items: center;
}

.listen-hero__art {
    width: 5.5rem;
    height: 5.5rem;
    border-radius: 1rem;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--accent);
    background: linear-gradient(135deg, var(--purple-soft), var(--accent-soft));
    border: 1px solid var(--border);
}

.listen-hero__eyebrow {
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.listen-chapter-head {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

/* Sticky audio player bar */
.audio-player {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1040;
    border-top: 1px solid var(--border);
    background: rgba(13, 11, 10, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.4);
    transition: background 0.3s ease, border-color 0.3s ease;
}

html[data-theme='light'] .audio-player {
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid #e4dcce;
    box-shadow: 0 -8px 30px rgba(13, 11, 10, 0.08);
}

.audio-player__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 2fr) minmax(0, 1.2fr);
    align-items: center;
    gap: 1rem;
    padding: 0.65rem 1.25rem;
    min-height: var(--player-height);
}

.audio-player__track {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.audio-player__art {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 0.65rem;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    color: var(--accent);
    background: var(--accent-soft);
    border: 1px solid var(--border);
}

.audio-player__meta {
    min-width: 0;
}

.audio-player__title {
    margin: 0;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.audio-player__chapter {
    margin: 0;
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.audio-player__center {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 0;
}

.audio-player__transport {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
}

.audio-player__btn {
    width: 2.2rem;
    height: 2.2rem;
    padding: 0;
    border: none;
    border-radius: 999px;
    background: transparent;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.05rem;
    transition: color 0.15s, background 0.15s, transform 0.1s;
}

.audio-player__btn:hover:not(:disabled) {
    color: var(--text);
    background: rgba(255, 255, 255, 0.08);
}

html[data-theme='light'] .audio-player__btn:hover:not(:disabled) {
    background: rgba(13, 11, 10, 0.06);
}

.audio-player__btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.audio-player__btn--play {
    width: 2.75rem;
    height: 2.75rem;
    background: var(--accent) !important;
    color: #ffffff !important;
    font-size: 1.25rem;
    box-shadow: 0 4px 14px rgba(227, 178, 92, 0.35);
}

.audio-player__btn--play:hover:not(:disabled) {
    background: var(--accent-hover) !important;
    color: #ffffff !important;
    transform: scale(1.05);
}

.audio-player.is-playing .audio-player__btn--play {
    box-shadow: 0 0 0 4px rgba(227, 178, 92, 0.25);
}

.audio-player__btn--toggle {
    width: auto;
    height: 2.1rem;
    padding: 0 0.65rem;
    gap: 0.35rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
}

html[data-theme='light'] .audio-player__btn--toggle {
    background: #efe7d8;
    border-color: #e4dcce;
    color: #5c5346;
}

.audio-player__btn--toggle:hover {
    color: var(--text);
    border-color: var(--accent);
    background: var(--accent-soft);
}

.audio-player__btn--toggle.active {
    color: var(--accent) !important;
    border-color: var(--accent) !important;
    background: var(--accent-soft) !important;
    font-weight: 600;
}

.audio-player__timeline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.audio-player__time {
    font-size: 0.75rem;
    font-variant-numeric: tabular-nums;
    color: var(--text-muted);
    min-width: 2.6rem;
    font-weight: 500;
}

.audio-player__time:last-child {
    text-align: right;
}

.audio-player__seek {
    flex: 1;
    height: 0.35rem;
    appearance: none;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.15);
    cursor: pointer;
}

html[data-theme='light'] .audio-player__seek {
    background: #e4dcce;
}

.audio-player__seek::-webkit-slider-thumb {
    appearance: none;
    width: 0.85rem;
    height: 0.85rem;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid #ffffff;
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.35);
}

.audio-player__seek::-moz-range-thumb {
    width: 0.85rem;
    height: 0.85rem;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid #ffffff;
}

.audio-player__side {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    min-width: 0;
}

.audio-player__select,
.audio-player__speed {
    height: 2.2rem;
    padding: 0 0.65rem;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background-color: #111827 !important;
    color: #ffffff !important;
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.audio-player__select:focus,
.audio-player__speed:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.35);
}

.audio-player__select option,
.audio-player__speed option {
    background-color: #111827 !important;
    color: #ffffff !important;
    padding: 8px 12px;
}

html[data-theme='light'] .audio-player__select,
html[data-theme='light'] .audio-player__speed {
    background-color: #ffffff !important;
    color: #231f1a !important;
    border: 1px solid #9c9284 !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

html[data-theme='light'] .audio-player__select option,
html[data-theme='light'] .audio-player__speed option {
    background-color: #ffffff !important;
    color: #231f1a !important;
}

.audio-player__volume {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.audio-player__volume-range {
    width: 4.5rem;
    height: 0.3rem;
    appearance: none;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.15);
    cursor: pointer;
}

html[data-theme='light'] .audio-player__volume-range {
    background: #e4dcce;
}

.audio-player__volume-range::-webkit-slider-thumb {
    appearance: none;
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background: var(--text);
}

.audio-player__settings {
    padding: 0.85rem 1.25rem 1.1rem;
    border-top: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.25);
}

html[data-theme='light'] .audio-player__settings {
    background: #f7f3ec;
    border-top-color: #e4dcce;
}

.audio-player__settings[hidden] {
    display: none !important;
}

.audio-player__settings-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1.25rem;
    align-items: end;
}

.audio-player__select {
    min-width: 11rem;
    background: rgba(21, 17, 15, 0.95) !important;
    border-color: var(--border) !important;
    color: var(--text) !important;
}

html[data-theme='light'] .audio-player__select {
    background: #ffffff !important;
    border-color: #c9bca8 !important;
    color: #231f1a !important;
}

.audio-player__status {
    min-height: 1.25em;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 992px) {
    .audio-player__inner {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        padding: 0.75rem 1rem 0.65rem;
    }

    .audio-player__track {
        order: 1;
    }

    .audio-player__center {
        order: 2;
    }

    .audio-player__side {
        order: 3;
        justify-content: center;
        flex-wrap: wrap;
    }

    .audio-player__volume-range {
        width: 5rem;
    }

    .audio-player__settings-grid {
        grid-template-columns: 1fr;
    }

    .listen-hero {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .audio-player__rewind,
    .audio-player__forward {
        display: none;
    }

    #audioRewindBtn,
    #audioForwardBtn {
        display: none;
    }
}

@media (min-width: 992px) {
    .app-main:has(.reader-main) {
        max-width: 800px;
    }
}

/* Login page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.login-shell {
    width: min(920px, 100%);
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-radius: 1.25rem;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.login-brand {
    padding: 3rem 2.5rem;
    background: linear-gradient(145deg, rgba(168, 123, 199, 0.25), rgba(201, 150, 47, 0.08));
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-brand h1 {
    font-family: var(--font-display);
    font-size: 2rem;
    margin: 0 0 0.75rem;
}

.login-brand p {
    color: var(--text-muted);
    margin: 0;
    line-height: 1.7;
}

.login-form-panel {
    padding: 3rem 2.5rem;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(16px);
}

.sync-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: rgba(13, 11, 10, 0.72);
    backdrop-filter: blur(8px);
}

.sync-overlay.d-none {
    display: none !important;
}

.sync-overlay-card {
    width: min(420px, 100%);
    padding: 1.75rem 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: rgba(21, 17, 15, 0.95);
    box-shadow: var(--shadow);
    text-align: center;
}

.sync-spinner {
    width: 2.25rem;
    height: 2.25rem;
    margin: 0 auto 1rem;
    border-radius: 50%;
    border: 3px solid rgba(201, 150, 47, 0.2);
    border-top-color: var(--accent);
    animation: sync-spin 0.8s linear infinite;
}

@keyframes sync-spin {
    to {
        transform: rotate(360deg);
    }
}

.sync-overlay-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin: 0;
}

.sync-overlay-message {
    font-size: 0.95rem;
    min-height: 1.4em;
}

.sync-progress-track {
    height: 0.45rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.sync-progress-bar {
    height: 100%;
    width: 0;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--accent), #34d399);
    transition: width 0.25s ease;
}

.sync-overlay-count {
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.02em;
}

.voice-player-sticky {
    position: sticky;
    top: 4.5rem;
    z-index: 20;
}

.voice-audio {
    width: min(360px, 100%);
    height: 2.5rem;
}

.voice-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 0.85rem;
}

.voice-card.is-playing {
    border-color: rgba(201, 150, 47, 0.45);
    box-shadow: 0 0 0 1px rgba(201, 150, 47, 0.25);
}

.voice-play-btn {
    width: 2.4rem;
    height: 2.4rem;
    padding: 0;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tts-panel {
    padding: 1rem 1.1rem;
    border-radius: calc(var(--radius) - 0.25rem);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
}

.tts-select {
    min-width: 8.5rem;
    background: rgba(0, 0, 0, 0.25);
    border-color: var(--border);
    color: var(--text);
}

.tts-audio {
    max-width: 100%;
}

/* Premium Login Page & Brand Shell */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.login-shell {
    width: min(940px, 100%);
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    border-radius: 1.25rem;
    overflow: hidden;
    background: rgba(21, 17, 15, 0.75);
    backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 32px 100px rgba(0, 0, 0, 0.6), 0 0 40px rgba(168, 123, 199, 0.15);
}

.login-brand {
    background: linear-gradient(135deg, rgba(168, 123, 199, 0.18), rgba(201, 150, 47, 0.08), rgba(13, 11, 10, 0.85));
    padding: 3.5rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-badge-wrapper {
    display: inline-block;
}

.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 1rem;
    background: linear-gradient(135deg, var(--purple), var(--accent));
    color: #ffffff;
    font-size: 1.6rem;
    box-shadow: 0 10px 30px rgba(168, 123, 199, 0.45);
}

.brand-title {
    font-family: var(--font-display);
    font-size: 2.35rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, #ffffff 30%, #e8def0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.brand-description {
    color: #d9c8ea;
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 1.5rem;
}

.brand-feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #efe4f5;
    font-size: 0.9rem;
    font-weight: 500;
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    flex-shrink: 0;
}

.bg-success-soft { background: rgba(82, 199, 158, 0.15); }
.bg-warning-soft { background: rgba(201, 150, 47, 0.15); }
.bg-info-soft { background: rgba(168, 123, 199, 0.15); }

.login-form-panel {
    padding: 3.5rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: rgba(13, 11, 10, 0.4);
}

/* Alert Styling Fixes */
.alert-app {
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.88rem;
    font-weight: 500;
}

.alert-danger-app {
    background: rgba(226, 112, 95, 0.12);
    border: 1px solid rgba(226, 112, 95, 0.3);
    color: #f0a99c;
}

.alert-success-app {
    background: rgba(82, 199, 158, 0.12);
    border: 1px solid rgba(82, 199, 158, 0.3);
    color: #7dd9b5;
}

/* Form Controls */
.login-form-panel .form-label {
    color: #d9c8ea;
    font-size: 0.875rem;
    margin-bottom: 0.4rem;
}

.login-form-panel .form-control {
    background: rgba(255, 255, 255, 0.05) !important;
    border-color: rgba(255, 255, 255, 0.12) !important;
    color: #ffffff !important;
    padding: 0.65rem 0.9rem;
    font-size: 0.925rem;
}

.login-form-panel .form-control::placeholder {
    color: rgba(255, 255, 255, 0.35) !important;
}

.login-form-panel .form-control:focus {
    background: rgba(255, 255, 255, 0.08) !important;
    border-color: var(--purple) !important;
    box-shadow: 0 0 0 3px rgba(168, 123, 199, 0.25) !important;
}

.login-form-panel .input-group-text {
    border-color: rgba(255, 255, 255, 0.12) !important;
}

@media (max-width: 768px) {
    .login-shell {
        grid-template-columns: 1fr;
    }

    .login-brand {
        padding: 2.5rem 1.5rem;
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .login-form-panel {
        padding: 2.5rem 1.5rem;
    }
}

/* Auth Tabs & Social Buttons */
.auth-tabs {
    display: flex;
    background: rgba(255, 255, 255, 0.05);
    padding: 4px;
    border-radius: 999px;
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.auth-tab-btn {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.auth-tab-btn.active {
    background: linear-gradient(135deg, var(--purple), #7c3aed);
    color: #ffffff;
    box-shadow: 0 4px 16px rgba(139, 92, 246, 0.35);
}

.social-login-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 1.5rem 0;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.social-login-divider::before,
.social-login-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border);
}

.social-login-divider span {
    padding: 0 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.social-btn-group {
    display: flex;
    gap: 0.75rem;
}

.btn-social {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-social:hover {
    background: rgba(255, 255, 255, 0.09);
    border-color: rgba(255, 255, 255, 0.25);
    color: #fff;
    transform: translateY(-1px);
}

.btn-social.google:hover {
    box-shadow: 0 4px 14px rgba(234, 67, 53, 0.25);
}

.btn-social.facebook:hover {
    box-shadow: 0 4px 14px rgba(24, 119, 242, 0.25);
}

.password-toggle-icon {
    cursor: pointer;
    user-select: none;
}

.password-strength-meter {
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.1);
    margin-top: 0.4rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.password-strength-bar {
    height: 100%;
    width: 0%;
    transition: width 0.3s ease, background-color 0.3s ease;
}

.password-strength-bar.weak { width: 33%; background-color: var(--danger); }
.password-strength-bar.medium { width: 66%; background-color: var(--accent); }
.password-strength-bar.strong { width: 100%; background-color: var(--success); }

/* Dashboard UI Styles (Admin & User) */
.border-purple-glow {
    border-color: rgba(168, 123, 199, 0.35) !important;
    box-shadow: 0 0 30px rgba(168, 123, 199, 0.15) !important;
}

.stat-card {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
}

.stat-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.75rem;
    font-size: 1.25rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-display);
    color: #ffffff;
    line-height: 1.1;
}

.custom-admin-table {
    --bs-table-bg: transparent;
    --bs-table-hover-bg: rgba(255, 255, 255, 0.04);
}

.admin-book-thumb,
.admin-book-thumb-placeholder {
    width: 42px;
    height: 56px;
    object-fit: cover;
    border-radius: 0.4rem;
    border: 1px solid var(--border);
}

.admin-book-thumb-placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 1.2rem;
}

/* User Dashboard Styles */
.hero-user-card {
    background: linear-gradient(135deg, rgba(168, 123, 199, 0.18), rgba(201, 150, 47, 0.1), rgba(13, 11, 10, 0.85));
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-user-card p {
    color: #d9c8ea !important;
}

.user-badge-box {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
}

.user-badge-box .text-muted {
    color: #c9bca8 !important;
}

.user-avatar-large {
    width: 4.5rem;
    height: 4.5rem;
    margin: 0 auto;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--purple), var(--accent));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: #ffffff;
    box-shadow: 0 8px 24px rgba(168, 123, 199, 0.4);
}

.featured-story-card {
    background: rgba(21, 17, 15, 0.65);
    border: 1px solid rgba(201, 150, 47, 0.25);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.featured-book-cover,
.featured-book-cover-placeholder {
    width: 180px;
    height: 250px;
    object-fit: cover;
    margin: 0 auto;
    border: 2px solid rgba(255, 255, 255, 0.15);
}

.featured-book-cover-placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    color: var(--accent);
    font-size: 3.5rem;
}

.user-book-thumb,
.user-book-thumb-placeholder {
    width: 60px;
    height: 80px;
    object-fit: cover;
    flex-shrink: 0;
    border: 1px solid var(--border);
}

.user-book-thumb-placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 1.5rem;
}

.text-truncate-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Immersive Highlight Styles */
.reader-p {
    margin-bottom: 1.35rem;
    padding: 0.4rem 0.75rem;
    border-radius: 0.5rem;
    border-left: 3px solid transparent;
    line-height: 1.95;
    font-size: 1.15rem;
    color: var(--text);
    white-space: pre-wrap;
    word-break: break-word;
    display: block;
    transition: background 0.2s ease, border-color 0.2s ease;
    cursor: pointer;
}

html[data-theme='light'] .reader-p {
    color: #231f1a !important;
}

html[data-theme='dark'] .reader-p {
    color: #f7f3ec !important;
}

.reader-p.active-reading,
.reader-content.is-reading .reader-p.active-reading,
.reader-content.is-reading .reader-p.is-active {
    background: rgba(227, 178, 92, 0.12) !important;
    border-left: 3px solid var(--accent) !important;
    font-weight: 500;
}

html[data-theme='light'] .reader-p.active-reading {
    background: rgba(227, 178, 92, 0.12) !important;
    color: #1f6b52 !important;
}

html[data-theme='dark'] .reader-p.active-reading {
    background: rgba(227, 178, 92, 0.15) !important;
    color: #f7f3ec !important;
}

/* Publish Status Toggle Button */
.badge-publish-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.75rem;
    font-size: 0.78rem;
    font-weight: 600;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    border: 1px solid transparent;
    user-select: none;
    line-height: 1.3;
}

.badge-publish-toggle:hover:not(:disabled) {
    transform: translateY(-1px);
}

.badge-publish-toggle.is-published {
    background: rgba(16, 185, 129, 0.15) !important;
    color: #34d399 !important;
    border-color: rgba(16, 185, 129, 0.35) !important;
}

html[data-theme='light'] .badge-publish-toggle.is-published {
    background: #e8f5ef !important;
    color: #1f6b52 !important;
    border-color: #7dd9b5 !important;
}

.badge-publish-toggle.is-draft {
    background: rgba(245, 158, 11, 0.15) !important;
    color: #fbbf24 !important;
    border-color: rgba(245, 158, 11, 0.35) !important;
}

html[data-theme='light'] .badge-publish-toggle.is-draft {
    background: #fef3c7 !important;
    color: #d97706 !important;
    border-color: #f59e0b !important;
}

/* Light theme background glow overrides */
html[data-theme='light'] .bg-glow {
    background: 
        radial-gradient(ellipse 80% 50% at 20% -10%, rgba(227, 178, 92, 0.08), transparent 55%),
        radial-gradient(ellipse 60% 40% at 90% 10%, rgba(201, 150, 47, 0.06), transparent 50%),
        linear-gradient(180deg, #efe7d8 0%, #f7f3ec 100%);
}
html[data-theme='light'] .bg-glow::before {
    background: rgba(227, 178, 92, 0.05);
}
html[data-theme='light'] .bg-glow::after {
    background: rgba(201, 150, 47, 0.04);
}

/* Navbar Variables & Style Overrides */
.app-navbar {
    backdrop-filter: blur(16px);
    background: var(--nav-bg) !important;
    border-bottom: 1px solid var(--nav-border) !important;
    padding-block: 0.85rem;
}

.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 0.65rem;
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    font-size: 1rem;
    margin-right: 0.55rem;
    vertical-align: middle;
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.35);
}

.nav-link {
    color: var(--nav-text) !important;
    font-weight: 500;
    padding: 0.45rem 0.85rem !important;
    border-radius: 999px;
    transition: color 0.2s, background 0.2s;
}

.nav-link:hover {
    color: var(--nav-text-hover) !important;
    background: rgba(227, 178, 92, 0.08);
}

.nav-link.active {
    color: var(--nav-text-active) !important;
    background: rgba(227, 178, 92, 0.1) !important;
    font-weight: 600;
}

/* Navbar Custom Coins & Controls */
.navbar-coin-badge {
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #fbbf24;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    text-decoration: none;
}

html[data-theme='light'] .navbar-coin-badge {
    background: rgba(227, 178, 92, 0.08);
}

.btn-earn-money {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #0f172a !important;
    font-weight: 600;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.85rem;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    box-shadow: 0 4px 12px rgba(201, 150, 47, 0.2);
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
}

.btn-earn-money:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(201, 150, 47, 0.3);
}

.theme-toggle-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

.theme-toggle-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    color: var(--accent);
}

.navbar-user-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.75rem 0.25rem 0.25rem;
    border-radius: 999px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    text-decoration: none;
    transition: background 0.2s;
}

.navbar-user-badge:hover {
    background: var(--bg-card-hover);
    color: var(--text);
}

.navbar-user-avatar {
    width: 1.8rem;
    height: 1.8rem;
    border-radius: 50%;
    object-fit: cover;
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
}

/* 3D Carousel Slider */
.bientruyen-slider-container {
    position: relative;
    width: 100%;
    max-width: 1350px;
    margin: 0 auto 2.5rem;
    padding: 2rem 1.5rem;
    overflow: hidden;
    background: rgba(239, 231, 216, 0.65);
    border-radius: 20px;
    border: 1px solid rgba(227, 178, 92, 0.15);
    backdrop-filter: blur(12px);
}

html[data-theme='dark'] .bientruyen-slider-container {
    background: rgba(21, 17, 15, 0.65);
    border-color: rgba(255, 255, 255, 0.08);
}

.slider-wrapper {
    position: relative;
    height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-item {
    position: absolute;
    width: 185px;
    transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.5s, z-index 0.5s;
    opacity: 0;
    z-index: 0;
    pointer-events: none;
}

/* 3D positions styling - Wide spread layout */
.slider-item.pos-far-left {
    transform: translateX(-450px) scale(0.78);
    opacity: 0.5;
    z-index: 1;
    pointer-events: auto;
}

.slider-item.pos-left {
    transform: translateX(-225px) scale(0.9);
    opacity: 0.85;
    z-index: 2;
    pointer-events: auto;
}

.slider-item.pos-active {
    transform: translateX(0) scale(1.15);
    opacity: 1;
    z-index: 10;
    pointer-events: auto;
    filter: drop-shadow(0 15px 35px rgba(0, 0, 0, 0.35));
}

.slider-item.pos-right {
    transform: translateX(225px) scale(0.9);
    opacity: 0.85;
    z-index: 2;
    pointer-events: auto;
}

.slider-item.pos-far-right {
    transform: translateX(450px) scale(0.78);
    opacity: 0.5;
    z-index: 1;
    pointer-events: auto;
}

/* Responsive spacing for smaller screens */
@media (max-width: 1200px) {
    .slider-item.pos-far-left { transform: translateX(-360px) scale(0.75); }
    .slider-item.pos-left { transform: translateX(-180px) scale(0.88); }
    .slider-item.pos-right { transform: translateX(180px) scale(0.88); }
    .slider-item.pos-far-right { transform: translateX(360px) scale(0.75); }
}

@media (max-width: 992px) {
    .slider-item.pos-far-left { transform: translateX(-270px) scale(0.7); }
    .slider-item.pos-left { transform: translateX(-135px) scale(0.85); }
    .slider-item.pos-right { transform: translateX(135px) scale(0.85); }
    .slider-item.pos-far-right { transform: translateX(270px) scale(0.7); }
}

@media (max-width: 768px) {
    .slider-item.pos-far-left { transform: translateX(-170px) scale(0.65); opacity: 0.2; }
    .slider-item.pos-left { transform: translateX(-85px) scale(0.8); }
    .slider-item.pos-right { transform: translateX(85px) scale(0.8); }
    .slider-item.pos-far-right { transform: translateX(170px) scale(0.65); opacity: 0.2; }
}

/* Inner card of slider item */
.slider-card {
    display: block;
    text-decoration: none;
    color: inherit;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
    transition: transform 0.3s;
}

.slider-card-img-wrapper {
    position: relative;
    aspect-ratio: 2 / 3;
    border-radius: 14px;
    overflow: hidden;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.pos-active .slider-card-img-wrapper {
    border-color: #10b981 !important;
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.45), 0 10px 30px rgba(0, 0, 0, 0.5) !important;
}

.slider-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Fallback styling for books without cover image */
.slider-card-fallback {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #10b981;
}

html[data-theme='light'] .slider-card-fallback {
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
    color: #10b981;
}

.slider-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem 0.6rem 0.6rem;
    background: linear-gradient(to top, rgba(11, 15, 25, 0.96) 0%, rgba(11, 15, 25, 0.75) 60%, transparent 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    text-align: center;
    pointer-events: none;
    z-index: 5;
}

.slider-card-title {
    margin: 0;
    font-size: 0.85rem;
    font-weight: 700;
    color: #ffffff !important;
    text-align: center;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.3;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.95), 0 0 10px rgba(0, 0, 0, 0.8);
    word-break: break-word;
}

/* Arrow Navigation */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    background: #ffffff;
    border: none;
    color: #231f1a;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 25;
    transition: all 0.2s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.slider-arrow:hover {
    background: #10b981;
    color: #ffffff;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
}

.slider-arrow-left {
    left: 1.25rem;
}

.slider-arrow-right {
    right: 1.25rem;
}

/* Banners Container */
.banner-info-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.banner-widget {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid transparent;
}

.banner-widget-cyan {
    background: linear-gradient(135deg, rgba(168, 123, 199, 0.08), rgba(169, 118, 42, 0.04));
    border-color: rgba(168, 123, 199, 0.2);
    color: #7c5a9e;
}

html[data-theme='light'] .banner-widget-cyan {
    background: #efe4f5;
    border-color: #dcc9e8;
    color: #7c5a9e;
}

.banner-widget-yellow {
    background: linear-gradient(135deg, rgba(201, 150, 47, 0.08), rgba(169, 118, 42, 0.04));
    border-color: rgba(201, 150, 47, 0.2);
    color: #a9762a;
}

html[data-theme='light'] .banner-widget-yellow {
    background: #faf1e0;
    border-color: #f7e5c4;
    color: #a9762a;
}

.banner-widget-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.banner-widget-icon {
    font-size: 1.5rem;
}

.banner-widget-text-wrapper {
    display: flex;
    flex-direction: column;
}

.banner-widget-text {
    font-size: 0.95rem;
    font-weight: 600;
}

.banner-widget-subtext {
    font-size: 0.8rem;
    opacity: 0.8;
}

.btn-banner-action {
    padding: 0.4rem 1.1rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-banner-action:hover {
    transform: translateY(-1px);
}

.btn-banner-cyan {
    background: #7c5a9e;
    color: #ffffff !important;
    box-shadow: 0 4px 10px rgba(169, 118, 42, 0.2);
}

.btn-banner-yellow {
    background: #a9762a;
    color: #ffffff !important;
    box-shadow: 0 4px 10px rgba(169, 118, 42, 0.2);
}

/* Hot stories grid */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.section-title-green {
    font-family: var(--font-body);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-link-all {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.section-link-all:hover {
    color: var(--accent);
}

.hot-stories-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1rem;
    margin-bottom: 3rem;
}

@media (min-width: 576px) {
    .hot-stories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .hot-stories-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.hot-story-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.75rem;
    display: flex;
    gap: 0.75rem;
    transition: transform 0.2s, background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
    height: 140px;
    align-items: center;
}

.hot-story-card:hover {
    transform: translateY(-2px);
    background: var(--bg-card-hover);
    border-color: rgba(227, 178, 92, 0.2);
    box-shadow: var(--shadow);
}

.hot-story-cover-wrapper {
    width: 75px;
    height: 110px;
    border-radius: 0.25rem;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.hot-story-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hot-story-info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    min-width: 0;
    height: 110px;
    justify-content: space-between;
}

.hot-story-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hot-story-title a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hot-story-title a:hover {
    color: var(--accent);
}

.hot-story-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0.15rem 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.hot-story-metadata {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: auto;
}

.hot-story-views {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.hot-story-badge {
    padding: 0.15rem 0.45rem;
    border-radius: 0.25rem;
    font-size: 0.7rem;
    font-weight: 600;
}

.hot-story-badge-completed {
    background: rgba(16, 185, 129, 0.12);
    color: #34d399;
}

.hot-story-badge-ongoing {
    background: rgba(245, 158, 11, 0.12);
    color: #fbbf24;
}
/* Premium Modal Inputs */
.auth-input-group {
    display: flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: var(--bg-card);
    transition: border-color 0.25s, box-shadow 0.25s;
    padding-inline: 0.75rem;
    margin-top: 0.25rem;
}

.auth-input-group:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(227, 178, 92, 0.15);
}

.auth-input-icon {
    color: var(--text-muted);
    font-size: 1rem;
    margin-right: 0.5rem;
    display: flex;
    align-items: center;
}

.auth-input-field {
    border: none !important;
    background: transparent !important;
    color: var(--text) !important;
    padding: 0.6rem 0;
    font-size: 0.95rem;
    flex-grow: 1;
    outline: none !important;
    box-shadow: none !important;
}

.auth-input-field::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.auth-password-toggle {
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    display: flex;
}

.section-title-green {
    font-family: var(--font-body);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-link-all {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.section-link-all:hover {
    color: var(--accent);
}

.hot-stories-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1rem;
    margin-bottom: 3rem;
}

@media (min-width: 576px) {
    .hot-stories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .hot-stories-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.hot-story-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.75rem;
    display: flex;
    gap: 0.75rem;
    transition: transform 0.2s, background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
    height: 140px;
    align-items: center;
}

.hot-story-card:hover {
    transform: translateY(-2px);
    background: var(--bg-card-hover);
    border-color: rgba(227, 178, 92, 0.2);
    box-shadow: var(--shadow);
}

.hot-story-cover-wrapper {
    width: 75px;
    height: 110px;
    border-radius: 0.25rem;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.hot-story-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hot-story-info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    min-width: 0;
    height: 110px;
    justify-content: space-between;
}

.hot-story-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hot-story-title a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hot-story-title a:hover {
    color: var(--accent);
}

.hot-story-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0.15rem 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.hot-story-metadata {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: auto;
}

.hot-story-views {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.hot-story-badge {
    padding: 0.15rem 0.45rem;
    border-radius: 0.25rem;
    font-size: 0.7rem;
    font-weight: 600;
}

.hot-story-badge-completed {
    background: rgba(16, 185, 129, 0.12);
    color: #34d399;
}

.hot-story-badge-ongoing {
    background: rgba(245, 158, 11, 0.12);
    color: #fbbf24;
}
/* Premium Modal Inputs */
.auth-input-group {
    display: flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: var(--bg-card);
    transition: border-color 0.25s, box-shadow 0.25s;
    padding-inline: 0.75rem;
    margin-top: 0.25rem;
}

.auth-input-group:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(227, 178, 92, 0.15);
}

.auth-input-icon {
    color: var(--text-muted);
    font-size: 1rem;
    margin-right: 0.5rem;
    display: flex;
    align-items: center;
}

.auth-input-field {
    border: none !important;
    background: transparent !important;
    color: var(--text) !important;
    padding: 0.6rem 0;
    font-size: 0.95rem;
    flex-grow: 1;
    outline: none !important;
    box-shadow: none !important;
}

.auth-input-field::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.auth-password-toggle {
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    padding: 0.25rem;
    transition: color 0.2s;
}

.auth-password-toggle:hover {
    color: var(--accent);
}

/* Mobile Responsiveness Enhancements */
@media (max-width: 768px) {
    .bientruyen-slider-container {
        padding-block: 1.5rem;
        margin-bottom: 2rem;
    }
    .slider-wrapper {
        height: 310px;
    }
    .slider-item {
        width: 150px;
    }
    .slider-item.pos-far-left {
        transform: translateX(-190px) scale(0.65);
        opacity: 0.25;
    }
    .slider-item.pos-left {
        transform: translateX(-100px) scale(0.8);
        opacity: 0.7;
    }
    .slider-item.pos-active {
        transform: translateX(0) scale(1.08);
        opacity: 1;
    }
    .slider-item.pos-right {
        transform: translateX(100px) scale(0.8);
        opacity: 0.7;
    }
    .slider-item.pos-far-right {
        transform: translateX(190px) scale(0.65);
        opacity: 0.25;
    }
}

@media (max-width: 576px) {
    .app-main {
        padding: 1rem 0.75rem 3rem;
    }
    .bientruyen-slider-container {
        padding-block: 1rem;
        margin-bottom: 1.25rem;
    }
    .slider-wrapper {
        height: 270px;
    }
    .slider-item {
        width: 125px;
    }
    .slider-item.pos-far-left {
        transform: translateX(-130px) scale(0.6);
        opacity: 0.15;
    }
    .slider-item.pos-left {
        transform: translateX(-70px) scale(0.8);
        opacity: 0.65;
    }
    .slider-item.pos-active {
        transform: translateX(0) scale(1.05);
        opacity: 1;
    }
    .slider-item.pos-right {
        transform: translateX(70px) scale(0.8);
        opacity: 0.65;
    }
    .slider-item.pos-far-right {
        transform: translateX(130px) scale(0.6);
        opacity: 0.15;
    }
    .slider-arrow {
        width: 2rem;
        height: 2rem;
        font-size: 0.85rem;
    }
    .slider-arrow-left {
        left: 0.2rem;
    }
    .slider-arrow-right {
        right: 0.2rem;
    }
    .slider-card-title {
        font-size: 0.8rem;
        height: 2.2rem;
        margin-top: 0.5rem;
    }
    .hot-story-card {
        height: auto;
        min-height: 125px;
        padding: 0.6rem;
        gap: 0.6rem;
    }
    .hot-story-cover-wrapper {
        width: 68px;
        height: 100px;
    }
    .hot-story-info {
        height: auto;
        min-height: 100px;
    }
    .hot-story-title {
        font-size: 0.88rem;
    }
    .hot-story-desc {
        font-size: 0.78rem;
        -webkit-line-clamp: 2;
    }
}

/* Story Detail Page (bientruyen style) */
.bientruyen-detail-container {
    width: min(1400px, 94%);
    margin: 0 auto;
    padding: 1.5rem 0 4rem;
}

.bientruyen-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.bientruyen-breadcrumb a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.bientruyen-breadcrumb a:hover {
    color: var(--accent);
}

.bientruyen-detail-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

@media (min-width: 992px) {
    .bientruyen-detail-layout {
        grid-template-columns: 280px 1fr;
    }
}

.bientruyen-cover-box {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.bientruyen-cover-img-wrapper {
    width: 100%;
    max-width: 280px;
    aspect-ratio: 2 / 3;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border);
}

.bientruyen-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bientruyen-cover-stats {
    width: 100%;
    max-width: 280px;
    margin-top: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.bientruyen-cover-stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bientruyen-story-header {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.bientruyen-story-title {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 2.5vw, 1.85rem);
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
    margin: 0;
}

.bientruyen-author-row {
    font-size: 0.9rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bientruyen-editor-name {
    color: #e2705f;
    font-weight: 600;
}

.bientruyen-tags-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}

.bientruyen-tag-pill {
    padding: 0.2rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.2s;
}

.bientruyen-tag-pill:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.bientruyen-status-badge {
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
}

.badge-green-completed {
    background: #10b981;
    color: #ffffff;
}

.badge-dark-vip {
    background: rgba(245, 158, 11, 0.12);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.bientruyen-rating-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.bientruyen-stars-row {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    color: #f59e0b;
    font-size: 1.1rem;
}

.bientruyen-synopsis-box {
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--text-muted);
}

.bientruyen-action-btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.btn-read-now {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #ffffff !important;
    border-radius: 999px;
    font-weight: 700;
    padding: 0.75rem 2.25rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-read-now:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

.btn-listen-first {
    background: transparent;
    color: var(--text) !important;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-weight: 600;
    padding: 0.75rem 2rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: border-color 0.2s, background-color 0.2s;
}

.btn-listen-first:hover {
    border-color: var(--accent);
    color: var(--accent) !important;
}

.btn-resume-listen {
    background: linear-gradient(135deg, #7c5a9e 0%, #a9762a 100%);
    color: #ffffff !important;
    border: none;
    border-radius: 999px;
    font-weight: 700;
    padding: 0.75rem 2rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(168, 123, 199, 0.4);
    transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
    animation: resumeGlowPulse 2.5s infinite ease-in-out;
}

.btn-resume-listen:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 150, 47, 0.5);
    filter: brightness(1.1);
    color: #ffffff !important;
}

@keyframes resumeGlowPulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(168, 123, 199, 0.4);
    }
    50% {
        box-shadow: 0 6px 22px rgba(201, 150, 47, 0.55);
    }
}

.bientruyen-favorite-btn {
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.6rem 1.5rem;
    background: var(--bg-card);
    color: var(--text);
    font-size: 0.88rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.bientruyen-favorite-btn:hover {
    border-color: #e2705f;
    color: #e2705f;
}

.bientruyen-promo-banner-bar {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #ffffff;
    border-radius: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.bientruyen-stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 1rem;
    text-align: center;
}

.bientruyen-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.bientruyen-stat-value {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text);
}

.bientruyen-chapters-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    overflow: hidden;
}

.bientruyen-chapters-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.bientruyen-chapter-jump-box {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bientruyen-chapter-jump-input {
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.4rem 0.75rem;
    background: var(--bg-deep);
    color: var(--text);
    font-size: 0.88rem;
    width: 140px;
    outline: none;
}

.bientruyen-chapter-jump-input:focus {
    border-color: var(--accent);
}

.bientruyen-chapter-list {
    display: flex;
    flex-direction: column;
}

.bientruyen-chapter-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.5rem;
    border-bottom: 1px solid var(--border);
    transition: background 0.2s;
}

.bientruyen-chapter-item:last-child {
    border-bottom: none;
}

.bientruyen-chapter-item:hover {
    background: var(--bg-card-hover);
}

.bientruyen-chapter-name {
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--text);
    text-decoration: none;
}

.bientruyen-chapter-date {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
}

.bientruyen-chapter-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-chapter-read,
.btn-chapter-listen {
    padding: 0.35rem 0.85rem;
    border-radius: 0.4rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: all 0.2s;
}

.btn-chapter-read {
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.btn-chapter-read:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.btn-chapter-listen {
    background: rgba(227, 178, 92, 0.1);
    color: var(--accent);
    border: 1px solid rgba(227, 178, 92, 0.2);
}

.btn-chapter-listen:hover {
    background: var(--accent);
    color: #ffffff;
}

/* Audio Player Floating Dock */
.audio-player-dock {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.25);
    padding: 0.75rem 1.5rem;
    backdrop-filter: blur(12px);
}

/* Custom Admin Table Styling (Light/Dark Compatible) */
.custom-admin-table {
    color: var(--text) !important;
    width: 100%;
    margin-bottom: 0;
    border-collapse: separate;
    border-spacing: 0;
}

.custom-admin-table th {
    color: var(--text-muted) !important;
    border-bottom: 1px solid var(--border) !important;
    background: transparent !important;
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    padding: 0.75rem 0.65rem !important;
    white-space: nowrap;
}

.custom-admin-table td {
    color: var(--text) !important;
    border-bottom: 1px solid var(--border) !important;
    background: transparent !important;
    padding: 0.75rem 0.65rem !important;
    vertical-align: middle;
}

.custom-admin-table tbody tr:hover td {
    background: var(--bg-card-hover) !important;
}

.admin-cover-thumb {
    width: 42px;
    height: 58px;
    overflow: hidden;
    border-radius: 6px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    flex-shrink: 0;
}

.admin-book-title {
    display: inline-block;
    max-width: 220px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: middle;
    color: var(--text) !important;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s ease;
}

.admin-book-title:hover {
    color: var(--accent) !important;
}

@media (min-width: 1400px) {
    .admin-book-title {
        max-width: 300px;
    }
}

@media (max-width: 1200px) {
    .admin-book-title {
        max-width: 170px;
    }
}

.admin-author-text {
    display: inline-block;
    max-width: 120px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: middle;
}

/* Compact genre tags inside table */
.table-genre-list {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem;
    max-width: 170px;
}

.table-genre-badge {
    display: inline-block;
    font-size: 0.7rem;
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    background: rgba(168, 123, 199, 0.15);
    color: #c9a9dd;
    border: 1px solid rgba(168, 123, 199, 0.3);
    white-space: nowrap;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.table-genre-more {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 600;
    padding: 0.15rem 0.4rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
    border: 1px solid var(--border);
    cursor: default;
    white-space: nowrap;
}

/* Custom Table-Responsive with Slim Scrollbar */
.table-responsive {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    min-width: 0;
}

.table-responsive::-webkit-scrollbar {
    height: 5px;
}

.table-responsive::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 4px;
}

.table-responsive::-webkit-scrollbar-thumb {
    background: rgba(168, 123, 199, 0.3);
    border-radius: 4px;
}

.table-responsive::-webkit-scrollbar-thumb:hover {
    background: rgba(168, 123, 199, 0.6);
}

/* Mobile Book Cards List (< 768px) */
.admin-book-card-mobile {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 0.85rem;
    margin-bottom: 0.75rem;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.admin-book-card-mobile:hover {
    border-color: rgba(168, 123, 199, 0.35);
    background: var(--bg-card-hover);
}

.admin-book-title-mobile {
    font-size: 0.95rem;
    line-height: 1.35;
    color: var(--text) !important;
    max-width: 220px;
}

.admin-status-select {
    border: 1px solid var(--border) !important;
    border-radius: 20px !important;
    font-weight: 600 !important;
    font-size: 0.825rem !important;
    padding: 0.35rem 0.85rem !important;
    cursor: pointer;
    box-shadow: none !important;
}

html[data-theme='light'] .admin-status-select {
    background-color: #ffffff !important;
    color: #0f172a !important;
    border-color: #cbd5e1 !important;
}

html[data-theme='dark'] .admin-status-select,
:root .admin-status-select {
    background-color: rgba(255, 255, 255, 0.08) !important;
    color: #efe4f5 !important;
    border-color: rgba(255, 255, 255, 0.2) !important;
}

/* Dropdown native <option> styling for Dark and Light mode */
.admin-status-select option {
    background-color: #231f1a !important;
    color: #f7f3ec !important;
    padding: 8px 12px;
}

html[data-theme='light'] .admin-status-select option {
    background-color: #ffffff !important;
    color: #231f1a !important;
}

/* Purple & Soft Badge Utilities */
.text-purple {
    color: #c9a9dd !important;
}

html[data-theme='light'] .text-purple {
    color: #7c5a9e !important;
}

.bg-purple-soft {
    background-color: rgba(168, 123, 199, 0.18) !important;
}

.bg-purple {
    background: linear-gradient(150deg, #a87bc7, #7c5a9e) !important;
}

.bg-accent-soft {
    background-color: rgba(227, 178, 92, 0.15) !important;
}

.text-accent {
    color: var(--accent) !important;
}

.btn-xs {
    font-size: 0.72rem;
    padding: 0.2rem 0.55rem;
    line-height: 1.4;
}

.btn-close-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    height: 1rem;
    margin-left: 0.3rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    color: inherit;
    font-size: 0.85rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-close-chip:hover {
    background: rgba(255, 255, 255, 0.24);
}

.bg-success-soft {
    background-color: rgba(82, 199, 158, 0.15) !important;
}

.bg-info-soft {
    background-color: rgba(168, 123, 199, 0.15) !important;
}

/* Admin Layout & Sidebar Styling */
.admin-sidebar {
    width: 260px;
    min-height: 100vh;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
}

html[data-theme='light'] .admin-sidebar {
    background: #ffffff !important;
    border-right: 1px solid #e4dcce !important;
    box-shadow: 2px 0 12px rgba(13, 11, 10, 0.04);
}

html[data-theme='light'] .brand-title {
    color: #231f1a !important;
}

html[data-theme='light'] .admin-nav-link {
    color: #4a4335 !important;
}

html[data-theme='light'] .admin-nav-link:hover {
    color: #231f1a !important;
    background: #efe7d8 !important;
}

html[data-theme='light'] .stat-label {
    color: #5c5346 !important;
    font-weight: 600;
}

html[data-theme='light'] .stat-value {
    color: #231f1a !important;
    font-weight: 700;
}

html[data-theme='light'] .custom-admin-table,
html[data-theme='light'] .table {
    color: #231f1a !important;
}

html[data-theme='light'] .custom-admin-table th,
html[data-theme='light'] .table th {
    color: #4a4335 !important;
    background-color: #f7f3ec !important;
    border-bottom: 2px solid #e4dcce !important;
}

html[data-theme='light'] .custom-admin-table td,
html[data-theme='light'] .table td {
    color: #231f1a !important;
    border-bottom: 1px solid #efe7d8 !important;
}

html[data-theme='light'] .admin-book-title {
    color: #231f1a !important;
    font-weight: 600;
}

html[data-theme='light'] .admin-book-title:hover {
    color: var(--accent) !important;
}

.admin-sidebar.collapsed {
    width: 80px;
}

.admin-sidebar.collapsed .nav-text,
.admin-sidebar.collapsed .brand-title,
.admin-sidebar.collapsed .sidebar-user-info {
    display: none !important;
}

.admin-sidebar.collapsed .brand-area {
    justify-content: center;
}

.admin-sidebar.collapsed .brand-icon {
    margin-right: 0;
}

.admin-sidebar.collapsed .admin-nav-link {
    justify-content: center;
    padding-inline: 0;
}

.admin-nav-link {
    color: var(--text-muted) !important;
    font-weight: 600;
    font-size: 0.925rem;
    padding: 0.65rem 1rem !important;
    border-radius: 0.6rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
}

.admin-nav-link:hover {
    color: var(--text) !important;
    background: var(--bg-card-hover) !important;
}

.admin-nav-link.active {
    color: #ffffff !important;
    background: linear-gradient(135deg, var(--purple), var(--accent)) !important;
    box-shadow: 0 4px 14px rgba(168, 123, 199, 0.3);
}

.admin-topbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    z-index: 1040;
    position: relative;
    overflow: visible !important;
}

html[data-theme='light'] .admin-topbar {
    background: #ffffff !important;
    border-bottom: 1px solid #c9bca8 !important;
}

.admin-footer {
    background: transparent;
    color: var(--text-muted);
}

/* High Contrast Dropdown Menu Styling */
.dropdown-menu,
.dropdown-menu-dark {
    background-color: #111827 !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.7) !important;
    border-radius: 12px !important;
    padding: 8px !important;
    z-index: 9999 !important;
}

html[data-theme='light'] .dropdown-menu,
html[data-theme='light'] .dropdown-menu-dark {
    background-color: #ffffff !important;
    border: 1px solid #c9bca8 !important;
    box-shadow: 0 12px 30px rgba(13, 11, 10, 0.15) !important;
}

.dropdown-item {
    color: #f7f3ec !important;
    font-weight: 500 !important;
    border-radius: 8px !important;
    padding: 8px 14px !important;
    transition: all 0.15s ease !important;
}

html[data-theme='light'] .dropdown-item {
    color: #231f1a !important;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: rgba(16, 185, 129, 0.15) !important;
    color: #34d399 !important;
}

html[data-theme='light'] .dropdown-item:hover,
html[data-theme='light'] .dropdown-item:focus {
    background-color: rgba(16, 185, 129, 0.12) !important;
    color: #059669 !important;
}

/* Premium Purple Button & Tab Switcher Styling */
.btn-purple,
.btn-purple-gradient {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%) !important;
    color: #ffffff !important;
    border: none !important;
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.35) !important;
    transition: all 0.25s ease-in-out !important;
}

.btn-purple:hover,
.btn-purple-gradient:hover {
    background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%) !important;
    color: #ffffff !important;
    box-shadow: 0 8px 28px rgba(139, 92, 246, 0.5) !important;
    transform: translateY(-2px);
}

.profile-nav-pills .nav-link {
    color: var(--text-muted) !important;
    transition: all 0.3s ease;
}

.profile-nav-pills .nav-link.active {
    background: linear-gradient(135deg, #10b981, #059669) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4) !important;
}

/* Brand Logo Image */
.brand-logo-img {
    height: 46px;
    width: auto;
    max-width: 210px;
    object-fit: contain;
    display: inline-block;
    vertical-align: middle;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
    transition: transform 0.25s ease, filter 0.25s ease;
}

.navbar-brand:hover .brand-logo-img,
.brand-area:hover .brand-logo-img {
    transform: scale(1.04);
    filter: drop-shadow(0 4px 14px rgba(168, 123, 199, 0.45));
}

html[data-theme='light'] .brand-logo-dark {
    display: none !important;
}
html[data-theme='light'] .brand-logo-light {
    display: inline-block !important;
}
html[data-theme='dark'] .brand-logo-light,
:root:not([data-theme='light']) .brand-logo-light {
    display: none !important;
}
html[data-theme='dark'] .brand-logo-dark,
:root:not([data-theme='light']) .brand-logo-dark {
    display: inline-block !important;
}

/* ==========================================================================
   Realtime TTS Streaming & Karaoke Highlighting Styles
   ========================================================================== */
.reader-content p,
.chapter-body p,
.reader-paragraph,
.tts-paragraph {
    margin-top: 0 !important;
    margin-bottom: 0.5rem !important;
    line-height: 1.75;
    font-size: 1.125rem;
    transition: all 0.2s ease-in-out;
    padding: 3px 8px;
    border-radius: 6px;
    border-left: 3px solid transparent;
}

.reader-content p:hover,
.tts-paragraph:hover {
    background-color: rgba(168, 123, 199, 0.08);
}

.tts-active-sentence {
    background: rgba(16, 185, 129, 0.18) !important;
    border-left: 4px solid #10b981 !important;
    color: #ffffff !important;
    font-weight: 500;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.25);
    transform: translateX(4px);
    transition: all 0.25s ease;
}

.tts-buffering-sentence {
    background: rgba(139, 92, 246, 0.15) !important;
    border-left: 4px solid #8b5cf6 !important;
    color: #ede9fe !important;
    animation: ttsBufferingPulse 1.2s ease-in-out infinite;
    transform: translateX(3px);
}

@keyframes ttsBufferingPulse {
    0%, 100% { opacity: 0.65; }
    50% { opacity: 1; }
}

html[data-theme='light'] .tts-buffering-sentence {
    background: #efe4f5 !important;
    border-left: 4px solid #7c5a9e !important;
    color: #5e3f7a !important;
}

html[data-theme='light'] .tts-active-sentence {
    background: #e8f5ef !important;
    border-left: 4px solid #10b981 !important;
    color: #065f46 !important;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.15);
}

.tts-read-sentence {
    opacity: 0.72;
    border-left: 3px solid rgba(227, 178, 92, 0.35);
}

html[data-theme='light'] .tts-read-sentence {
    opacity: 0.75;
    border-left: 3px solid rgba(46, 155, 120, 0.4);
}

/* TTS Player Custom Selects & Buttons */
.tts-control-select {
    height: 34px;
    padding: 0 24px 0 10px;
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 32px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background-color: #111827;
    color: #ffffff !important;
    cursor: pointer;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 12px;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.tts-control-select:focus,
.tts-control-select:hover {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.25);
}

.tts-control-select option {
    background-color: #111827;
    color: #ffffff;
    padding: 6px 10px;
}

html[data-theme='light'] .tts-control-select {
    background-color: #ffffff;
    color: #231f1a !important;
    border: 1px solid #9c9284;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230f172a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

html[data-theme='light'] .tts-control-select option {
    background-color: #ffffff;
    color: #231f1a;
}

.tts-auto-next-btn {
    height: 34px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: #111827;
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.tts-auto-next-btn.active {
    background: rgba(16, 185, 129, 0.15) !important;
    color: #34d399 !important;
    border-color: #10b981 !important;
}

html[data-theme='light'] .tts-auto-next-btn {
    background: #ffffff;
    color: #8a7c6c;
    border: 1px solid #9c9284;
}

html[data-theme='light'] .tts-auto-next-btn.active {
    background: #e8f5ef !important;
    color: #059669 !important;
    border-color: #10b981 !important;
}

.realtime-streaming-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(82, 199, 158, 0.15);
    color: #52c79e;
    border: 1px solid rgba(82, 199, 158, 0.3);
    padding: 2px 8px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    animation: pulse-live 2s infinite ease-in-out;
}

@keyframes pulse-live {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ==========================================================================
   Admin Management Layout & Responsive Styles
   ========================================================================== */
.admin-body {
    overflow-x: hidden;
    background-color: var(--bg-deep, #0b0f19);
}

.admin-wrapper {
    display: flex;
    width: 100%;
    min-height: 100vh;
    position: relative;
}

.admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    height: 100vh;
    width: 260px;
    min-width: 260px;
    max-width: 260px;
    background: var(--bg-card, #111827);
    border-right: 1px solid var(--border, rgba(255, 255, 255, 0.12)) !important;
    overflow-y: auto;
    overflow-x: hidden;
    transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1), transform 0.25s ease;
    z-index: 1020;
}

/* Custom scrollbar for admin sidebar */
.admin-sidebar::-webkit-scrollbar {
    width: 4px;
}
.admin-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
.admin-sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

html[data-theme='light'] .admin-sidebar {
    background: #ffffff;
    border-right: 1px solid #e4dcce !important;
}

.admin-sidebar.collapsed {
    width: 76px;
    min-width: 76px;
    max-width: 76px;
}

.admin-sidebar.collapsed .nav-text,
.admin-sidebar.collapsed .brand-area .brand-logo-img,
.admin-sidebar.collapsed .brand-area .badge,
.admin-sidebar.collapsed .sidebar-user-info {
    display: none !important;
}

.admin-sidebar.collapsed .brand-area {
    justify-content: center;
    padding: 0 !important;
}

.admin-sidebar.collapsed .admin-nav-link {
    justify-content: center;
    padding: 0.75rem 0;
}

.admin-sidebar.collapsed .admin-nav-link i {
    margin-right: 0 !important;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    padding: 0.65rem 0.85rem;
    border-radius: 8px;
    color: var(--text-muted, #9c9284);
    font-size: 0.92rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
}

.admin-nav-link:hover {
    color: var(--text, #ffffff);
    background: rgba(255, 255, 255, 0.06);
}

html[data-theme='light'] .admin-nav-link:hover {
    color: #231f1a;
    background: #efe7d8;
}

.admin-nav-link.active {
    color: #ffffff;
    background: var(--accent, #10b981);
    font-weight: 600;
}

.admin-wrapper {
    width: 100%;
    max-width: 100vw;
    min-width: 0;
    overflow-x: hidden;
    position: relative;
}

body.admin-body {
    overflow-x: hidden;
    max-width: 100vw;
    width: 100%;
}

.admin-main-content {
    margin-left: 260px;
    flex: 1 1 auto;
    min-width: 0;
    max-width: calc(100% - 260px);
    width: calc(100% - 260px);
    background: var(--bg-deep, #0b0f19);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
    transition: margin-left 0.25s cubic-bezier(0.4, 0, 0.2, 1), width 0.25s cubic-bezier(0.4, 0, 0.2, 1), max-width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.admin-sidebar.collapsed ~ .admin-main-content {
    margin-left: 76px;
    max-width: calc(100% - 76px);
    width: calc(100% - 76px);
}

html[data-theme='light'] .admin-main-content {
    background: #f7f3ec;
}

.admin-topbar {
    background: var(--bg-card, #111827);
    border-bottom: 1px solid var(--border, rgba(255, 255, 255, 0.12)) !important;
    position: sticky;
    top: 0;
    z-index: 90;
    backdrop-filter: blur(12px);
    width: 100%;
    max-width: 100%;
}

html[data-theme='light'] .admin-topbar {
    background: #ffffff;
    border-bottom: 1px solid #e4dcce !important;
}

.admin-page-body {
    padding: 1.25rem 1.5rem !important;
    max-width: 1600px;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
    margin: 0;
}

#themeToggleBtn {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--border, rgba(255, 255, 255, 0.2));
    background: rgba(255, 255, 255, 0.08);
    color: var(--text, #ffffff) !important;
    cursor: pointer;
    transition: all 0.2s ease;
}

#themeToggleBtn:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: var(--accent, #10b981);
    transform: scale(1.05);
}

html[data-theme='light'] #themeToggleBtn {
    background: #efe7d8;
    border-color: #c9bca8;
    color: #231f1a !important;
}

.border-purple-glow {
    border: 1px solid rgba(168, 123, 199, 0.25) !important;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

@media (max-width: 992px) {
    .admin-main-content {
        margin-left: 0 !important;
        width: 100% !important;
        max-width: 100vw !important;
        min-width: 0 !important;
        overflow-x: hidden !important;
    }

    .admin-sidebar {
        position: fixed !important;
        left: -290px !important;
        top: 0 !important;
        bottom: 0 !important;
        width: 280px !important;
        height: 100vh !important;
        z-index: 1070 !important;
        box-shadow: 4px 0 30px rgba(0, 0, 0, 0.7) !important;
        transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        background: var(--bg-card, #111827) !important;
        overflow-y: auto !important;
    }

    .admin-sidebar.show-mobile {
        left: 0 !important;
    }

    .admin-sidebar-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.65);
        backdrop-filter: blur(4px);
        z-index: 1065;
        opacity: 0;
        visibility: hidden;
        transition: all 0.25s ease;
    }

    .admin-sidebar-backdrop.show {
        opacity: 1;
        visibility: visible;
    }

    .admin-page-body {
        padding: 0.85rem 0.65rem !important;
        max-width: 100% !important;
        min-width: 0 !important;
    }

    .admin-topbar {
        padding: 0.5rem 0.75rem !important;
    }

    .brand-logo-img {
        height: 32px !important;
    }

    .admin-sidebar.collapsed {
        width: 280px !important;
        min-width: 280px !important;
    }

    .admin-sidebar.collapsed .nav-text,
    .admin-sidebar.collapsed .sidebar-user-info,
    .admin-sidebar.collapsed .brand-area .badge,
    .admin-sidebar.collapsed .brand-logo-img {
        display: inline-block !important;
    }

    .admin-sidebar.collapsed .brand-area {
        display: flex !important;
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 1.25rem !important;
    }

    .admin-hero-actions {
        width: 100%;
    }

    .admin-hero-actions .btn {
        flex: 1 1 calc(50% - 0.35rem);
        text-align: center;
        justify-content: center;
        font-size: 0.8rem !important;
        padding: 0.45rem 0.5rem !important;
    }

    .custom-filter-dropdown .genre-dropdown-menu {
        width: calc(100vw - 1.5rem) !important;
        max-width: 350px !important;
    }

    .erp-pagination-container {
        padding: 0.75rem 0.25rem !important;
    }

    .erp-pagination-btn {
        min-width: 28px !important;
        height: 28px !important;
        font-size: 0.75rem !important;
        padding: 0 0.3rem !important;
    }

    .erp-size-select {
        height: 28px !important;
        width: 62px !important;
        font-size: 0.75rem !important;
    }
}

/* =========================================================================
   ERP / PREMIUM PAGINATION STYLES (Đồng bộ chuẩn hệ thống)
   ========================================================================= */
.erp-pagination-container {
    background: rgba(21, 17, 15, 0.4);
    border-top: 1px solid var(--border);
    padding: 0.85rem 0.5rem;
    border-radius: 0.75rem;
}

.erp-pagination-btn {
    min-width: 32px;
    height: 32px;
    padding: 0 0.45rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.825rem;
    font-weight: 600;
    border-radius: 0.5rem !important;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(29, 24, 21, 0.6);
    color: var(--text-muted);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    cursor: pointer;
}

.erp-pagination-btn:hover:not(:disabled):not(.disabled) {
    background: rgba(168, 123, 199, 0.2);
    border-color: var(--purple);
    color: #ffffff;
    transform: translateY(-1px);
}

.erp-pagination-btn.active {
    background: linear-gradient(135deg, var(--purple), #a87bc7) !important;
    border-color: transparent !important;
    color: #ffffff !important;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(168, 123, 199, 0.35);
    transform: scale(1.06);
}

.erp-pagination-btn:disabled,
.erp-pagination-btn.disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
    border-color: rgba(255, 255, 255, 0.05);
    background: rgba(255, 255, 255, 0.02);
}

.erp-page-ellipsis {
    min-width: 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    user-select: none;
}

.erp-size-select {
    height: 32px;
    width: 72px;
    font-size: 0.8rem;
    font-weight: 600;
    background-color: rgba(29, 24, 21, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 0.5rem;
    color: var(--text);
    padding: 0 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.erp-size-select:focus {
    border-color: var(--purple);
    box-shadow: 0 0 0 2px rgba(168, 123, 199, 0.25);
    outline: none;
}

/* =========================================================================
   GENRE MULTI-SELECT DROPDOWN FILTER STYLES
   ========================================================================= */
.genre-filter-dropdown-btn {
    background: rgba(29, 24, 21, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text);
    border-radius: 0.75rem;
    padding: 0.55rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 42px;
}

.genre-filter-dropdown-btn:hover,
.genre-filter-dropdown-btn[aria-expanded="true"] {
    background: rgba(29, 24, 21, 0.9);
    border-color: var(--purple);
    color: #ffffff;
    box-shadow: 0 0 15px rgba(168, 123, 199, 0.2);
}

.genre-dropdown-menu {
    background: rgba(13, 11, 10, 0.98) !important;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(168, 123, 199, 0.3) !important;
    border-radius: 1rem !important;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7) !important;
    padding: 0.85rem !important;
    width: 360px;
    max-width: 92vw;
    z-index: 1060;
}

.genre-item-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.35rem 0.6rem;
    border-radius: 0.5rem;
    transition: background 0.15s ease;
    cursor: pointer;
    user-select: none;
    margin-bottom: 2px;
}

.genre-item-row.d-none,
.genre-item-row[hidden],
.genre-item-row[style*="display: none"] {
    display: none !important;
}

.genre-item-row:hover {
    background: rgba(168, 123, 199, 0.15);
}

.genre-item-row .form-check-input {
    cursor: pointer;
    border-color: rgba(255, 255, 255, 0.25);
    background-color: transparent;
    width: 1.05rem;
    height: 1.05rem;
}

.genre-item-row .form-check-input:checked {
    background-color: var(--purple);
    border-color: var(--purple);
}

.genre-chip-active {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: rgba(168, 123, 199, 0.18);
    border: 1px solid rgba(168, 123, 199, 0.35);
    color: #c9a9dd;
    font-size: 0.775rem;
    font-weight: 500;
    padding: 0.25rem 0.65rem;
    border-radius: 2rem;
    transition: all 0.15s ease;
}

.genre-chip-active:hover {
    background: rgba(168, 123, 199, 0.3);
    color: #ffffff;
}

.genre-chip-active .btn-close-chip {
    cursor: pointer;
    opacity: 0.65;
    font-size: 0.9rem;
    line-height: 1;
    margin-left: 2px;
}

.genre-chip-active .btn-close-chip:hover {
    opacity: 1;
    color: #e2705f;
}

/* =========================================================================
   MOBILE UI OPTIMIZATIONS (Reader / Client Layout, Rankings, Profile)
   ========================================================================= */
.ranking-book-thumb {
    width: 75px;
    height: 105px;
    object-fit: cover;
    flex-shrink: 0;
}

@media (max-width: 991.98px) {
    /* Fix user profile dropdown cutoff on mobile */
    .navbar-controls-mobile {
        margin-top: 0.75rem;
        padding-top: 0.75rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .user-profile-dropdown {
        right: 0 !important;
        left: auto !important;
        min-width: 250px !important;
        max-width: calc(100vw - 2rem) !important;
        transform: none !important;
        margin-top: 0.5rem !important;
    }
}

@media (max-width: 768px) {
    /* Smooth horizontal ranking period tabs on mobile */
    .ranking-period-nav {
        display: flex !important;
        flex-direction: row !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        padding: 0.25rem 0.25rem 0.6rem 0.25rem;
        gap: 0.4rem !important;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .ranking-period-nav::-webkit-scrollbar {
        display: none;
    }

    .ranking-period-nav .btn {
        flex-shrink: 0 !important;
        font-size: 0.8rem !important;
        padding: 0.35rem 0.85rem !important;
    }

    .ranking-book-thumb {
        width: 62px !important;
        height: 88px !important;
    }
}

/* ==========================================================================
   MODERN NOVEL POSTER CARDS (MOBILE-FIRST WEBTOON/MANGA STYLE)
   ========================================================================== */
.novel-poster-grid {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 20px 16px !important;
    margin-bottom: 2rem;
}

@media (min-width: 576px) {
    .novel-poster-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
        gap: 20px 16px !important;
    }
}

@media (min-width: 768px) {
    .novel-poster-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
        gap: 22px 18px !important;
    }
}

@media (min-width: 992px) {
    .novel-poster-grid {
        grid-template-columns: repeat(5, minmax(0, 1fr)) !important;
        gap: 24px 20px !important;
    }
}

@media (min-width: 1200px) {
    .novel-poster-grid {
        grid-template-columns: repeat(6, minmax(0, 1fr)) !important;
        gap: 26px 22px !important;
    }
}

/* ==========================================================================
   MODERN DARK MODE PAGINATION (BE PAGED & ERP STANDARD)
   ========================================================================== */
.pagination {
    --bs-pagination-bg: rgba(255, 255, 255, 0.05);
    --bs-pagination-border-color: rgba(255, 255, 255, 0.12);
    --bs-pagination-color: #c9bca8;
    --bs-pagination-hover-bg: rgba(168, 123, 199, 0.2);
    --bs-pagination-hover-border-color: rgba(168, 123, 199, 0.5);
    --bs-pagination-hover-color: #ffffff;
    --bs-pagination-active-bg: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --bs-pagination-active-border-color: #10b981;
    --bs-pagination-active-color: #ffffff;
    --bs-pagination-disabled-bg: rgba(255, 255, 255, 0.02);
    --bs-pagination-disabled-border-color: rgba(255, 255, 255, 0.06);
    --bs-pagination-disabled-color: rgba(255, 255, 255, 0.25);
}

.page-link {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.page-item.active .page-link {
    box-shadow: 0 4px 14px rgba(168, 123, 199, 0.45);
    font-weight: 700;
}

.novel-poster-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    background: rgba(17, 24, 39, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    overflow: hidden;
    text-decoration: none !important;
    transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    backdrop-filter: blur(8px);
}

.novel-poster-card:hover {
    transform: translateY(-5px);
    border-color: rgba(168, 123, 199, 0.45);
    box-shadow: 0 12px 28px -6px rgba(168, 123, 199, 0.35), 0 0 0 1px rgba(168, 123, 199, 0.2);
}

.novel-poster-cover-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 2 / 3;
    background: #0f172a;
    overflow: hidden;
    border-radius: 12px 12px 0 0;
}

.novel-poster-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.novel-poster-card:hover .novel-poster-img {
    transform: scale(1.06);
}

/* Overlay Top Badges */
.novel-poster-badge-top {
    position: absolute;
    top: 8px;
    left: 8px;
    z-index: 2;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 6px;
    backdrop-filter: blur(6px);
}

.novel-poster-badge-status-completed {
    background: rgba(227, 178, 92, 0.9);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(227, 178, 92, 0.4);
}

.novel-poster-badge-status-ongoing {
    background: rgba(168, 123, 199, 0.9);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(168, 123, 199, 0.4);
}

.novel-poster-badge-lang {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 2;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 5px;
    background: rgba(13, 11, 10, 0.8);
    color: #9c9284;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Overlay Bottom Bar (Relative time & views) */
.novel-poster-bottom-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 22px 8px 6px 8px;
    background: linear-gradient(to top, rgba(13, 11, 10, 0.95) 0%, rgba(13, 11, 10, 0.6) 60%, transparent 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.72rem;
    color: #c9bca8;
    z-index: 2;
}

/* Play button hover overlay */
.novel-poster-play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.35);
    opacity: 0;
    transition: opacity 0.25s ease;
    z-index: 3;
}

.novel-poster-play-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(168, 123, 199, 0.95);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 0 20px rgba(168, 123, 199, 0.8);
    transform: scale(0.85);
    transition: transform 0.25s ease;
}

.novel-poster-card:hover .novel-poster-play-overlay {
    opacity: 1;
}

.novel-poster-card:hover .novel-poster-play-btn {
    transform: scale(1);
}

/* Card Body Content */
.novel-poster-info {
    padding: 10px 10px 12px 10px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.novel-poster-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: #efe7d8;
    line-height: 1.35;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.38rem;
    transition: color 0.2s ease;
}

.novel-poster-card:hover .novel-poster-title {
    color: #c9a9dd;
}

.novel-poster-meta {
    font-size: 0.74rem;
    color: #9c9284;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4px;
    margin-top: auto;
}

.novel-poster-author {
    max-width: 110px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Button "Xem Thêm Nhiều Nữa >" */
.btn-load-more-modern {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 36px;
    font-size: 0.95rem;
    font-weight: 700;
    color: #f7f3ec;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 10px;
    text-decoration: none !important;
    transition: all 0.25s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-load-more-modern:hover {
    background: rgba(168, 123, 199, 0.18);
    border-color: rgba(168, 123, 199, 0.6);
    color: #c9a9dd;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(168, 123, 199, 0.3);
}

/* ==========================================================================
   WEBNOVEL-STYLE CONTINUOUS INFINITE SCROLL READER
   ========================================================================== */
.reader-infinite-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
}

.reader-chapter-section {
    position: relative;
    transition: all 0.3s ease;
}

/* Webnovel Chapter Divider */
.reader-chapter-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 3rem 0 2rem 0;
    position: relative;
}

.reader-chapter-divider::before,
.reader-chapter-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(168, 123, 199, 0.4), transparent);
}

.reader-chapter-divider-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(13, 11, 10, 0.85);
    border: 1px solid rgba(168, 123, 199, 0.35);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
    color: #c9a9dd;
    box-shadow: 0 4px 20px rgba(168, 123, 199, 0.2);
    backdrop-filter: blur(10px);
}

.reader-infinite-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    margin: 1.5rem 0 3rem 0;
}

.reader-infinite-end {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 36px 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    text-align: center;
    margin: 2rem 0 4rem 0;
}

/* Enhanced sentence active highlight for reader */
.tts-paragraph {
    transition: background-color 0.22s ease, transform 0.18s ease, color 0.2s ease;
    border-radius: 8px;
    padding: 4px 8px;
    margin-left: -8px;
    margin-right: -8px;
}

.tts-paragraph:hover {
    background: rgba(255, 255, 255, 0.04);
}

.tts-active-sentence {
    background: rgba(16, 185, 129, 0.18) !important;
    border-left: 3px solid #10b981 !important;
    color: #ffffff !important;
    box-shadow: 0 0 16px rgba(16, 185, 129, 0.22);
}

.tts-read-sentence {
    opacity: 0.85;
}