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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #ede9f6;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 20px 14px 80px;
}

body.reader-mode {
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    padding: 0;
    align-items: stretch;
}

body.reader-mode #app {
    height: 100%;
    max-width: 480px;
    margin: 0 auto;
    overflow: hidden;
}

#app {
    width: 100%;
    max-width: 480px;
}

/* ── Container ─────────────────────────────────── */

.container {
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: 32px 28px;
}

.reader-container {
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: 0;
    box-shadow: none;
    padding: 16px 14px 70px;
}

/* ── Header ────────────────────────────────────── */

.header {
    text-align: center;
    margin-bottom: 28px;
}

.header h1 {
    color: #333;
    font-size: 26px;
    margin-bottom: 6px;
}

.header p {
    color: #888;
    font-size: 13px;
}

/* ── Home cards ────────────────────────────────── */

.home-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 24px;
}

.home-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px 14px 16px;
    text-align: center;
    border: 1px solid #e9ecef;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.card-icon {
    font-size: 30px;
    line-height: 1;
}

.card-title {
    font-weight: 700;
    color: #333;
    font-size: 15px;
}

.card-desc {
    font-size: 12px;
    color: #888;
    line-height: 1.5;
    flex: 1;
}

.card-desc strong {
    color: #444;
    font-size: 12px;
}

.praise-artist {
    font-size: 11px;
    color: #aaa;
}

.card-btn {
    margin-top: 10px;
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 10px 0;
    font-size: 13px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.15s;
}

.card-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.card-btn:disabled {
    opacity: 0.6;
    cursor: default;
    transform: none;
}

/* ── Random result ─────────────────────────────── */

.random-result {
    margin-top: 4px;
}

/* ── Status messages ───────────────────────────── */

.status-msg {
    text-align: center;
    color: #999;
    font-size: 14px;
    padding: 20px 0;
}

.error-msg {
    color: #e74c3c;
}

/* ── Back button ───────────────────────────────── */

.back-btn {
    background: none;
    border: none;
    color: #667eea;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    padding: 0;
    margin-bottom: 20px;
    display: inline-block;
}

.back-btn:hover {
    text-decoration: underline;
}

/* ── Selector row ──────────────────────────────── */

.selector-row {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.book-select {
    flex: 2;
    padding: 10px 12px;
    border: 1.5px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    color: #333;
    background: white;
    cursor: pointer;
    outline: none;
}

.chapter-select {
    flex: 1;
    padding: 10px 8px;
    border: 1.5px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    color: #333;
    background: white;
    cursor: pointer;
    outline: none;
}

.book-select:focus,
.chapter-select:focus {
    border-color: #667eea;
}

/* ── Chapter nav ───────────────────────────────── */

.chapter-nav {
    display: flex;
    gap: 10px;
    margin: 12px 0;
}

.nav-btn {
    flex: 1;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 11px 0;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.15s;
}

.nav-btn:hover:not(:disabled) {
    opacity: 0.9;
    transform: translateY(-1px);
}

.nav-btn:disabled {
    background: #ccc;
    cursor: default;
    transform: none;
}

/* ── Chapter display ───────────────────────────── */

.chapter-area {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    scroll-behavior: smooth;
    touch-action: pan-y;
    overscroll-behavior: contain;
    transition: opacity 0.2s ease;
}

.chapter-area.fading {
    opacity: 0;
}

.chapter-title {
    color: #667eea;
    font-size: 18px;
    font-weight: 700;
    margin: 12px 0 10px;
    text-align: center;
}

.verses-scroll {
    text-align: left;
    background: #f8f9fa;
    border-left: 4px solid #667eea;
    border-radius: 4px;
    padding: 16px;
    margin-bottom: 4px;
    overflow: visible;
}

.verse {
    color: #333;
    font-size: 15px;
    line-height: 1.85;
    margin-bottom: 6px;
}

.verse-number {
    color: #667eea;
    font-weight: 700;
    font-size: 11px;
    margin-right: 5px;
    vertical-align: super;
}

/* ── Music widget ──────────────────────────────── */

.music-wrapper {
    position: fixed;
    bottom: 20px;
    right: 16px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    z-index: 1000;
}

.music-panel {
    background: white;
    border-radius: 14px;
    padding: 12px 14px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.13);
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 260px;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.25s, transform 0.25s;
}

.music-top-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.music-seek-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.music-seek-bar {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    border-radius: 2px;
    background: #e0d9f5;
    outline: none;
    cursor: pointer;
}

.music-seek-bar::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    cursor: pointer;
    box-shadow: 0 1px 4px rgba(102, 126, 234, 0.4);
}

.music-seek-bar::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    cursor: pointer;
}

.music-time {
    font-size: 10px;
    color: #aaa;
    min-width: 28px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.music-panel.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
}

.music-info {
    flex: 1;
    min-width: 0;
}

.music-playlist {
    font-size: 10px;
    color: #aaa;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.music-song {
    font-size: 12px;
    color: #333;
    font-weight: 600;
    line-height: 1.45;
    margin-top: 2px;
}

.play-pause-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    font-size: 13px;
    cursor: pointer;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s;
}

.play-pause-btn:hover {
    transform: scale(1.1);
}

.music-toggle-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    font-size: 22px;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(102, 126, 234, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, box-shadow 0.2s;
    line-height: 1;
}

.music-toggle-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 18px rgba(102, 126, 234, 0.55);
}

.music-toggle-btn {
    cursor: grab;
}

.music-toggle-btn:active {
    cursor: grabbing;
    transform: scale(0.97);
}

/* ── Responsive ────────────────────────────────── */

@media (max-width: 480px) {
    body {
        padding: 16px 10px 72px;
    }

    .container {
        padding: 22px 16px;
    }

    .reader-container {
        padding: 16px 14px;
    }

    .header h1 {
        font-size: 22px;
    }

    .home-cards {
        gap: 10px;
    }

    .home-card {
        padding: 16px 10px 14px;
    }

    .verse {
        font-size: 14px;
    }

    .music-wrapper {
        bottom: 16px;
        right: 12px;
    }

    .music-toggle-btn {
        width: 44px;
        height: 44px;
        font-size: 20px;
    }

    .music-panel {
        max-width: 220px;
    }
}