:root {
    --bg-main: #f8fafc;
    --bg-panel: #ffffff;
    --bg-card: #f1f5f9;
    --bg-hover: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --accent: #ea580c;
    --accent-hover: #c2410c;
    --accent-soft: rgba(234, 88, 12, 0.1);
    --border: #e2e8f0;
    --reader-bg: #ffffff;
    --reader-text: #1e293b;
    --para-active-bg: #fff7ed;
    --para-active-border: #ea580c;
    --reader-font-size: 20px;
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
}

body.theme-sepia {
    --bg-main: #f5efe2;
    --bg-panel: #fbf7ee;
    --bg-card: #efe6d5;
    --bg-hover: #e5d9c3;
    --text-primary: #3b2f20;
    --text-secondary: #6e5a42;
    --border: #dfd3be;
    --reader-bg: #fdf9f0;
    --reader-text: #3b2f20;
    --para-active-bg: rgba(217, 119, 6, 0.15);
    --para-active-border: #b45309;
}

body.theme-dark {
    --bg-main: #0f1117;
    --bg-panel: #171b24;
    --bg-card: #1e2330;
    --bg-hover: #262d3d;
    --text-primary: #e8ecf4;
    --text-secondary: #9aa4b8;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --accent-soft: rgba(245, 158, 11, 0.14);
    --border: #2a3142;
    --reader-bg: #141820;
    --reader-text: #d6dde8;
    --para-active-bg: rgba(245, 158, 11, 0.16);
    --para-active-border: #f59e0b;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    padding-bottom: 104px;
    display: flex;
    flex-direction: column;
    transition: background-color 0.2s, color 0.2s;
    overflow-x: hidden;
}

/* Header & Command Bar */
.app-header {
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 40;
    box-shadow: var(--shadow-sm);
}

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.brand-logo {
    width: 40px;
    height: 40px;
    border-radius: 11px;
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 3px 10px rgba(234, 88, 12, 0.25);
}

.brand-title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: var(--text-primary);
}

.brand-title span {
    color: var(--accent);
}

.command-center {
    flex: 1;
    max-width: 780px;
}

.command-box {
    display: flex;
    align-items: center;
    background: var(--bg-main);
    border: 1.5px solid var(--border);
    border-radius: 12px;
    padding: 4px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.command-box:focus-within {
    border-color: var(--accent);
    background: var(--bg-panel);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.mic-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-panel);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 9px;
    padding: 8px 13px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

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

.mic-btn.listening {
    background: #dc2626;
    color: #fff;
    border-color: #dc2626;
    animation: pulseMic 1.2s infinite;
}

@keyframes pulseMic {
    0% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.5); }
    70% { box-shadow: 0 0 0 10px rgba(220, 38, 38, 0); }
    100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0); }
}

.mic-icon {
    width: 16px;
    height: 16px;
}

#commandInput {
    flex: 1;
    min-width: 0;
    background: transparent;
    border: none;
    color: var(--text-primary);
    padding: 9px 14px;
    font-size: 14px;
    outline: none;
}

.cmd-submit-btn {
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: #fff;
    border: none;
    border-radius: 9px;
    padding: 9px 18px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
    white-space: nowrap;
}

.cmd-submit-btn:hover {
    opacity: 0.92;
}

/* Unified Top Navigation Bar */
.main-nav {
    border-top: 1px solid var(--border);
    background: var(--bg-panel);
}

.main-nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 11px 16px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 2.5px solid transparent;
    transition: all 0.2s;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

.tab-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    background: var(--accent-soft);
}

/* Status Toast */
.status-toast {
    position: fixed;
    bottom: 92px;
    right: 24px;
    background: var(--bg-panel);
    border: 1.5px solid var(--accent);
    color: var(--text-primary);
    padding: 10px 16px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13.5px;
    font-weight: 500;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.status-toast.hidden {
    display: none;
}

.spinner {
    width: 15px;
    height: 15px;
    border: 2px solid rgba(234, 88, 12, 0.25);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

.spinner.hidden {
    display: none;
}

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

/* Main Content Area (Single Page Scroll - Zero inner scrollboxes!) */
.app-main {
    max-width: 1280px;
    width: 100%;
    margin: 20px auto;
    padding: 0 20px;
    flex: 1;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* Search & Genre Filter Card (No horizontal scrollbar!) */
.search-filter-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 18px;
    box-shadow: var(--shadow-sm);
}

.search-input-wrap {
    display: flex;
    gap: 8px;
}

#searchInput,
#chapterSearchInput {
    flex: 1;
    min-width: 0;
    background: var(--bg-main);
    border: 1.5px solid var(--border);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 14px;
    outline: none;
}

#searchInput:focus,
#chapterSearchInput:focus {
    border-color: var(--accent);
    background: var(--bg-panel);
}

#searchBtn {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 0 18px;
    font-weight: 600;
    font-size: 13.5px;
    cursor: pointer;
    white-space: nowrap;
}

#searchBtn:hover {
    background: var(--accent-hover);
}

.genre-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    padding-top: 12px;
}

.genre-chip {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12.5px;
    cursor: pointer;
    transition: all 0.15s;
}

.genre-chip.active,
.genre-chip:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    font-weight: 600;
}

/* Story Cards Grid (Multi-column responsive grid, no nested scrollbar) */
.story-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 14px;
}

.story-card {
    display: flex;
    gap: 14px;
    padding: 14px;
    border-radius: 12px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.15s;
    box-shadow: var(--shadow-sm);
}

.story-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.story-cover {
    width: 64px;
    height: 88px;
    border-radius: 8px;
    object-fit: cover;
    background: #cbd5e1;
    flex-shrink: 0;
}

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

.story-card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.story-card-meta {
    font-size: 12.5px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.story-card-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin-top: 10px;
}

.panel-action-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    margin-bottom: 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg-panel);
    box-shadow: var(--shadow-sm);
}

.panel-action-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.mini-btn {
    background: var(--accent-soft);
    color: var(--accent);
    border: 1px solid rgba(234, 88, 12, 0.3);
    padding: 5px 11px;
    border-radius: 7px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.mini-btn:hover {
    background: var(--accent);
    color: #fff;
}

.fav-btn {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    padding: 5px 11px;
    border-radius: 7px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.fav-btn:hover {
    border-color: #e11d48;
    color: #e11d48;
}

.fav-btn.favorited {
    background: rgba(225, 29, 72, 0.1);
    color: #e11d48;
    border-color: rgba(225, 29, 72, 0.4);
}

.del-btn {
    background: var(--bg-panel);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.35);
    padding: 5px 11px;
    border-radius: 7px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    margin-left: auto;
    transition: all 0.15s;
}

.del-btn:hover {
    background: #ef4444;
    color: #fff;
    border-color: #ef4444;
}

/* Chapters View Card (No inner scrollbars!) */
.chapters-view-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.story-meta-box {
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.meta-header {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.meta-cover {
    width: 84px;
    height: 116px;
    border-radius: 10px;
    object-fit: cover;
    flex-shrink: 0;
}

.meta-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
}

.meta-sub {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.meta-summary {
    font-size: 13.5px;
    color: var(--text-secondary);
    margin-top: 12px;
    line-height: 1.6;
}

.chapter-filter-wrap {
    padding: 14px 0;
    display: flex;
}

.chapter-filter-wrap.hidden {
    display: none;
}

.chapter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 8px;
    padding-top: 4px;
}

.chap-item {
    text-align: left;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: 9px;
    font-size: 13.5px;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chap-item:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
}

.chap-item.active {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent);
    font-weight: 600;
}

/* Reader Section (Centered Book Layout, Zero Inner Scrollbar!) */
.reader-section {
    max-width: 920px;
    margin: 0 auto;
    background: var(--reader-bg);
    color: var(--reader-text);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: background-color 0.25s, color 0.25s;
}

.reader-toolbar {
    background: var(--bg-panel);
    color: var(--text-primary);
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
    border-radius: 16px 16px 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.reader-nav-group,
.reader-appearance {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-btn,
.tool-btn,
.theme-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 7px 13px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.nav-btn:not(:disabled):hover,
.tool-btn:hover,
.theme-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.theme-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.reader-container {
    padding: 32px 48px 48px;
    font-family: 'Lora', Georgia, serif;
    font-size: var(--reader-font-size);
    line-height: 1.85;
}

.reader-chapter-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.reader-story-name {
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 6px;
}

.reader-chapter-title {
    font-size: 1.35em;
    font-weight: 700;
    line-height: 1.35;
}

.reader-para {
    padding: 10px 14px;
    margin-bottom: 12px;
    border-radius: 10px;
    border-left: 4px solid transparent;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
}

.reader-para:hover {
    background-color: rgba(100, 116, 139, 0.08);
}

.reader-para.speaking {
    background-color: var(--para-active-bg);
    border-left-color: var(--para-active-border);
}

.reader-welcome {
    max-width: 580px;
    margin: 30px auto;
    text-align: center;
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    line-height: 1.6;
}

.welcome-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.reader-welcome h2 {
    font-size: 22px;
    margin-bottom: 10px;
}

.welcome-examples {
    list-style: none;
    margin: 16px 0;
    padding: 14px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    text-align: left;
    display: inline-block;
}

.welcome-examples li {
    margin: 6px 0;
}

.welcome-tip {
    font-size: 13.5px;
    color: var(--text-secondary);
    margin-top: 10px;
}

.empty-state {
    grid-column: 1 / -1;
    padding: 32px 16px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

/* Bottom Audio Player */
.audio-player-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-panel);
    border-top: 1px solid var(--border);
    z-index: 50;
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
}

.player-progress-track {
    height: 6px;
    background: var(--bg-card);
    width: 100%;
    cursor: pointer;
    position: relative;
    transition: height 0.15s ease;
}

.player-progress-track:hover {
    height: 9px;
}

.player-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #f97316, #ea580c);
    transition: width 0.25s ease;
}

.player-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.now-playing {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 220px;
    flex: 1;
    cursor: pointer;
}

.playing-wave {
    display: flex;
    align-items: flex-end;
    gap: 3px;
    height: 20px;
    width: 22px;
    flex-shrink: 0;
}

.playing-wave span {
    width: 4px;
    height: 5px;
    background: var(--accent);
    border-radius: 2px;
    transition: height 0.2s;
}

.playing-wave.active span:nth-child(1) { animation: wave 0.7s infinite ease-in-out 0.1s; }
.playing-wave.active span:nth-child(2) { animation: wave 0.7s infinite ease-in-out 0.25s; }
.playing-wave.active span:nth-child(3) { animation: wave 0.7s infinite ease-in-out 0.4s; }
.playing-wave.active span:nth-child(4) { animation: wave 0.7s infinite ease-in-out 0.15s; }

@keyframes wave {
    0%, 100% { height: 5px; }
    50% { height: 20px; }
}

.now-playing-text {
    min-width: 0;
    flex: 1;
}

.player-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-subtitle {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ctrl-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.ctrl-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.ctrl-btn:not(:disabled):hover {
    border-color: var(--accent);
    color: var(--accent);
}

.play-main-btn {
    width: 46px;
    height: 46px;
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: #fff;
    border: none;
    font-size: 17px;
    box-shadow: 0 4px 12px rgba(234, 88, 12, 0.3);
}

.play-main-btn:not(:disabled):hover {
    color: #fff;
    transform: scale(1.05);
}

.player-settings {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.setting-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    color: var(--text-secondary);
    font-weight: 500;
}

.setting-item select {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 12.5px;
    font-weight: 500;
    outline: none;
    cursor: pointer;
}

.auto-next-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
}

.auto-next-toggle input {
    accent-color: var(--accent);
    width: 15px;
    height: 15px;
}

.hidden {
    display: none !important;
}

/* User Auth Area & Modal */
.user-auth-area {
    display: flex;
    align-items: center;
    gap: 8px;
}

.auth-btn {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1.5px solid var(--border);
    border-radius: 10px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

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

.user-logged-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-soft);
    border: 1px solid rgba(234, 88, 12, 0.3);
    padding: 5px 10px;
    border-radius: 10px;
}

.user-badge {
    font-size: 13px;
    color: var(--text-primary);
}

.logout-btn {
    background: var(--bg-panel);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.35);
    padding: 4px 9px;
    border-radius: 7px;
    font-size: 11.5px;
    font-weight: 600;
    cursor: pointer;
}

.logout-btn:hover {
    background: #ef4444;
    color: #fff;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(3px);
    z-index: 120;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.modal-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
}

.modal-tabs {
    display: flex;
    gap: 6px;
}

.modal-tab {
    background: transparent;
    border: none;
    padding: 7px 14px;
    border-radius: 8px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
}

.modal-tab.active {
    background: var(--accent);
    color: #fff;
}

.modal-close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    padding: 4px 8px;
}

.modal-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.modal-sub {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.auth-error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
    padding: 9px 12px;
    border-radius: 8px;
    font-size: 12.5px;
    font-weight: 500;
}

/* Admin Dashboard */
.db-status-badge {
    display: inline-block;
    margin-left: 10px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    background: var(--bg-card);
    color: var(--text-secondary);
}

.db-status-badge.ok {
    background: rgba(22, 163, 74, 0.12);
    color: #16a34a;
}

.db-status-badge.err {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
}

.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.stat-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    box-shadow: var(--shadow-sm);
}

.stat-label {
    font-size: 12.5px;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-value {
    font-size: 26px;
    font-weight: 700;
    color: var(--accent);
    margin-top: 6px;
}

.admin-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 16px;
}

.admin-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px;
    box-shadow: var(--shadow-sm);
}

.admin-card h3 {
    font-size: 16px;
    margin-bottom: 6px;
}

.admin-card-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 14px;
    line-height: 1.5;
}

.admin-form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 10px;
    flex: 1;
}

.admin-form-group label {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-secondary);
}

.admin-form-group input,
.admin-form-group select {
    background: var(--bg-main);
    border: 1.5px solid var(--border);
    color: var(--text-primary);
    padding: 9px 12px;
    border-radius: 9px;
    font-size: 13.5px;
    outline: none;
}

.admin-form-group input:focus,
.admin-form-group select:focus {
    border-color: var(--accent);
    background: var(--bg-panel);
}

.admin-form-row {
    display: flex;
    gap: 12px;
}

.admin-btn-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.admin-jobs-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

.job-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px;
}

.job-header {
    display: flex;
    justify-content: space-between;
    font-size: 13.5px;
    font-weight: 600;
    margin-bottom: 6px;
}

.job-msg {
    font-size: 12.5px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.job-bar {
    height: 6px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.job-bar-fill {
    height: 100%;
    background: var(--accent);
    transition: width 0.3s ease;
}

.admin-table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.admin-table-wrap {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

.admin-table th,
.admin-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.admin-table th {
    font-size: 12px;
    text-transform: uppercase;
    color: var(--text-secondary);
    background: var(--bg-card);
}

.crawled-tag {
    display: inline-block;
    font-size: 11px;
    padding: 1px 6px;
    border-radius: 6px;
    background: rgba(22, 163, 74, 0.14);
    color: #16a34a;
    margin-left: 6px;
    font-weight: 600;
}

/* Responsive Tablet & Mobile */
@media (max-width: 1024px) {
    body {
        padding-bottom: 145px;
    }

    .app-main {
        padding: 0 14px;
        margin: 14px auto;
    }

    .reader-container {
        padding: 24px 28px 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --reader-font-size: 18px;
    }

    body {
        padding-bottom: 175px;
    }

    .header-inner {
        padding: 10px 12px;
        gap: 10px;
    }

    .brand-logo {
        width: 34px;
        height: 34px;
        font-size: 17px;
    }

    .brand-title {
        font-size: 16px;
    }

    .command-center {
        width: 100%;
        flex: 1 1 100%;
    }

    .mic-btn {
        padding: 7px 10px;
        font-size: 12px;
    }

    #commandInput {
        padding: 7px 10px;
        font-size: 13px;
    }

    .cmd-submit-btn {
        padding: 7px 12px;
        font-size: 12.5px;
    }

    .main-nav-inner {
        padding: 0 8px;
        gap: 2px;
        justify-content: space-between;
    }

    .tab-btn {
        flex: 1 1 auto;
        text-align: center;
        padding: 9px 6px;
        font-size: 12px;
    }

    .app-main {
        padding: 0 10px;
        margin: 12px auto;
    }

    .search-filter-card {
        padding: 12px;
        margin-bottom: 12px;
    }

    .story-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .chapter-grid {
        grid-template-columns: 1fr;
    }

    .reader-toolbar {
        padding: 10px 12px;
        gap: 8px;
    }

    .reader-nav-group,
    .reader-appearance {
        width: 100%;
        justify-content: space-between;
        gap: 6px;
    }

    .nav-btn,
    .tool-btn,
    .theme-btn {
        flex: 1;
        text-align: center;
        padding: 6px 8px;
        font-size: 12px;
    }

    .reader-container {
        padding: 18px 14px 32px;
        line-height: 1.75;
    }

    .reader-para {
        padding: 8px 10px;
        margin-bottom: 10px;
    }

    /* Sticky Bottom Player on Mobile */
    .player-inner {
        padding: 8px 12px;
        gap: 8px;
    }

    .now-playing {
        min-width: 0;
        flex: 1 1 55%;
        gap: 8px;
    }

    .player-title {
        font-size: 13px;
    }

    .player-subtitle {
        font-size: 11px;
    }

    .player-controls {
        gap: 6px;
    }

    .ctrl-btn {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }

    .play-main-btn {
        width: 38px;
        height: 38px;
        font-size: 14px;
    }

    .player-settings {
        width: 100%;
        justify-content: space-between;
        gap: 6px;
        padding-top: 6px;
        border-top: 1px solid var(--border);
    }

    .setting-item label {
        display: none;
    }

    .setting-item select {
        padding: 5px 6px;
        font-size: 11.5px;
    }

    #voiceSelect {
        max-width: 145px;
    }

    #previewVoiceBtn {
        flex: 0 0 auto;
        padding: 5px 8px;
        font-size: 11.5px;
    }

    .auto-next-toggle {
        font-size: 11.5px;
        gap: 4px;
    }
}

@media (max-width: 480px) {
    #micLabel {
        display: none;
    }

    .tab-btn {
        font-size: 11px;
        padding: 8px 4px;
    }

    .now-playing {
        flex: 1 1 100%;
    }

    .player-controls {
        width: 100%;
        justify-content: center;
        gap: 12px;
    }

    body {
        padding-bottom: 200px;
    }
}

/* ===================================================
   LOAD MORE PAGINATION, SLEEP TIMER & PROFILE PAGE
   =================================================== */
.load-more-wrap {
    display: flex;
    justify-content: center;
    margin: 22px 0 12px;
}

.load-more-btn {
    background: var(--bg-panel);
    color: var(--accent);
    border: 1.5px solid var(--accent);
    padding: 10px 26px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: var(--shadow-sm);
}

.load-more-btn:hover:not(:disabled) {
    background: var(--accent);
    color: #fff;
    transform: translateY(-1px);
}

.load-more-btn:disabled {
    opacity: 0.55;
    cursor: wait;
}

.sleep-timer-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: 999px;
    background: rgba(234, 88, 12, 0.15);
    color: var(--accent);
    font-size: 11.5px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.user-profile-link-btn {
    background: transparent;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 6px;
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-primary);
    transition: background 0.15s;
}

.user-profile-link-btn:hover {
    background: rgba(234, 88, 12, 0.12);
}

.user-avatar-mini {
    font-size: 16px;
    line-height: 1;
}

.mini-btn.resume-active {
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: #fff;
    border-color: transparent;
}

/* Profile Tab Styles */
.profile-guest-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 44px 24px;
    text-align: center;
    max-width: 540px;
    margin: 24px auto;
    box-shadow: var(--shadow-sm);
}

.profile-guest-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.profile-guest-card h2 {
    font-size: 20px;
    margin-bottom: 8px;
}

.profile-guest-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.profile-container {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.profile-header-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 22px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    box-shadow: var(--shadow-sm);
}

.profile-avatar-wrap {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
    min-width: 240px;
}

.profile-avatar-circle {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: var(--accent-soft);
    border: 2px solid rgba(234, 88, 12, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    flex-shrink: 0;
    overflow: hidden;
}

.profile-avatar-circle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-header-info h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.profile-role-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11.5px;
    font-weight: 600;
    background: rgba(234, 88, 12, 0.14);
    color: var(--accent);
}

.profile-header-sub {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.profile-bio-preview {
    font-size: 13.5px;
    color: var(--text-primary);
    margin-top: 6px;
    font-style: italic;
}

.profile-quick-stats {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.prof-stat-pill {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px 16px;
    text-align: center;
    min-width: 110px;
}

.prof-stat-num {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
}

.prof-stat-label {
    font-size: 11.5px;
    color: var(--text-secondary);
}

.profile-forms-grid {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 18px;
    align-items: start;
}

@media (max-width: 900px) {
    .profile-forms-grid {
        grid-template-columns: 1fr;
    }
}

.input-readonly {
    background: var(--bg-card) !important;
    color: var(--text-secondary) !important;
    cursor: not-allowed !important;
    opacity: 0.8;
}

.admin-form-group textarea {
    background: var(--bg-main);
    border: 1.5px solid var(--border);
    color: var(--text-primary);
    padding: 9px 12px;
    border-radius: 9px;
    font-size: 13.5px;
    font-family: inherit;
    outline: none;
    resize: vertical;
}

.admin-form-group textarea:focus {
    border-color: var(--accent);
    background: var(--bg-panel);
}

.avatar-preset-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 6px;
}

.avatar-preset-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-right: 4px;
}

.avatar-chip {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    width: 32px;
    height: 32px;
    font-size: 17px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.avatar-chip:hover,
.avatar-chip.active {
    border-color: var(--accent);
    background: var(--accent-soft);
    transform: scale(1.08);
}

.profile-msg-box {
    padding: 10px 12px;
    border-radius: 9px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 10px;
}

.profile-msg-box.ok {
    background: rgba(22, 163, 74, 0.12);
    color: #16a34a;
    border: 1px solid rgba(22, 163, 74, 0.3);
}

.profile-msg-box.err {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}