/* ========================================
   Песнь Возрождения 3300 — Redesigned UI
   Modern, clean, Inter font, dark/light
   ======================================== */

/* ---- Variables ---- */
:root, [data-theme="light"] {
    --bg: #f5f5f7;
    --bg-card: #ffffff;
    --bg-input: #ffffff;
    --bg-hover: #f0f0f2;
    --bg-header: #141422;
    --bg-header-text: #f0f0f0;
    --text: #1d1d1f;
    --text-secondary: #6e6e73;
    --text-link: #0066cc;
    --border: #d2d2d7;
    --border-light: #e8e8ed;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --accent: #0071e3;
    --accent-hover: #0060c0;
    --accent-soft: rgba(0, 113, 227, 0.08);
    --danger: #ff3b30;
    --danger-soft: rgba(255, 59, 48, 0.08);
    --success: #34c759;
    --success-soft: rgba(52, 199, 89, 0.08);
    --warning: #ff9500;
    --warning-soft: rgba(255, 149, 0, 0.1);
    --warning-text: #7a4a00;
    --info: #5ac8fa;
    --chorus-border: #0071e3;
    --flash-success-bg: #dcf5e5;
    --flash-success-text: #1a6e34;
    --flash-error-bg: #fde8e8;
    --flash-error-text: #9b1c1c;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 4px 16px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.1), 0 2px 6px rgba(0,0,0,0.04);
    --favorite: #ff3b30;
    --gradient-header: linear-gradient(135deg, #141422 0%, #1c1c3a 100%);
}

[data-theme="dark"] {
    --bg: #0d0d0f;
    --bg-card: #1c1c1e;
    --bg-input: #2c2c2e;
    --bg-hover: #2c2c2e;
    --bg-header: #0a0a12;
    --bg-header-text: #e5e5e7;
    --text: #e5e5e7;
    --text-secondary: #98989d;
    --text-link: #64b5f6;
    --border: #38383a;
    --border-light: #2c2c2e;
    --accent: #64b5f6;
    --accent-hover: #42a5f5;
    --accent-soft: rgba(100, 181, 246, 0.1);
    --danger: #ff6961;
    --danger-soft: rgba(255, 105, 97, 0.1);
    --success: #4cda6a;
    --success-soft: rgba(76, 218, 106, 0.1);
    --warning: #ffb74d;
    --warning-soft: rgba(255, 183, 77, 0.12);
    --warning-text: #ffb74d;
    --info: #4fc3f7;
    --chorus-border: #64b5f6;
    --flash-success-bg: #0d3320;
    --flash-success-text: #86efac;
    --flash-error-bg: #3b1420;
    --flash-error-text: #fca5a5;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow: 0 4px 16px rgba(0,0,0,0.3);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.4);
    --favorite: #ff6961;
    --gradient-header: linear-gradient(135deg, #0a0a12 0%, #12122a 100%);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--text-link); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--accent-hover); }

/* ---- Container ---- */
.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; width: 100%; }

/* ========== HEADER ========== */
.site-header {
    background: var(--gradient-header);
    color: var(--bg-header-text);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    height: 56px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--bg-header-text);
    font-size: 1rem;
    font-weight: 700;
    white-space: nowrap;
    text-decoration: none;
    letter-spacing: -0.01em;
}
.logo:hover { text-decoration: none; opacity: 0.9; color: var(--bg-header-text); }
.logo-icon { font-size: 1.3rem; opacity: 0.8; }
.logo-text { display: none; }
.logo-num {
    background: var(--accent);
    color: #fff;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 800;
}

@media (min-width: 640px) {
    .logo-text { display: inline; }
}

.main-nav { display: flex; align-items: center; gap: 12px; flex: 1; }

.search-form { display: flex; gap: 6px; flex: 1; max-width: 420px; }

.search-wrapper { position: relative; flex: 1; }

.search-icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255,255,255,0.4);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 7px 12px 7px 32px;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-xs);
    background: rgba(255,255,255,0.08);
    color: var(--bg-header-text);
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color 0.2s, background 0.2s;
}
.search-input::placeholder { color: rgba(255,255,255,0.4); }
.search-input:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255,255,255,0.12);
}

.autocomplete-results {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    z-index: 200;
    max-height: 380px;
    overflow-y: auto;
}
.ac-item {
    display: flex;
    gap: 10px;
    padding: 10px 14px;
    color: var(--text);
    text-decoration: none;
    border-bottom: 1px solid var(--border-light);
    transition: background 0.1s;
}
.ac-item:last-child { border-bottom: none; }
.ac-item:hover, .ac-item.ac-active { background: var(--accent-soft); color: var(--text); }
.ac-number { color: var(--text-secondary); font-weight: 600; min-width: 36px; font-size: 0.85rem; }
.ac-title { flex: 1; font-size: 0.9rem; }
.ac-composer { color: var(--text-secondary); font-size: 0.8rem; }

.nav-links { display: flex; align-items: center; gap: 6px; margin-left: auto; }

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--bg-header-text);
    font-size: 0.82rem;
    padding: 5px 8px;
    border-radius: var(--radius-xs);
    white-space: nowrap;
    transition: background 0.15s;
}
.nav-link:hover { background: rgba(255,255,255,0.08); text-decoration: none; color: var(--bg-header-text); }
.nav-link svg { opacity: 0.7; flex-shrink: 0; }
.nav-label { }
.nav-admin { color: var(--warning); }
.nav-user { }

.user-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
}

.lang-toggle {
    font-weight: 700;
    font-size: 0.75rem !important;
    letter-spacing: 0.5px;
    padding: 4px 8px !important;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 4px !important;
}

.theme-toggle {
    background: none;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-xs);
    padding: 4px 8px;
    cursor: pointer;
    font-size: 1rem;
    color: var(--bg-header-text);
    transition: background 0.15s;
}
.theme-toggle:hover { background: rgba(255,255,255,0.08); }
[data-theme="light"] .theme-icon-dark { display: none; }
[data-theme="dark"] .theme-icon-light { display: none; }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}
.hamburger span {
    display: block; width: 20px; height: 2px;
    background: var(--bg-header-text);
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========== MAIN ========== */
.main-content { flex: 1; padding: 28px 20px; }

/* ========== FOOTER ========== */
.site-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-light);
    padding: 20px 0;
    margin-top: auto;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
    gap: 12px;
    flex-wrap: wrap;
}
.footer-logo { font-weight: 600; }

/* ========== FLASH ========== */
.flash {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    animation: flashIn 0.3s ease;
}
@keyframes flashIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
.flash-success { background: var(--flash-success-bg); color: var(--flash-success-text); }
.flash-error { background: var(--flash-error-bg); color: var(--flash-error-text); }
.flash-text { flex: 1; }
.flash-close {
    background: none; border: none;
    font-size: 1.2rem; cursor: pointer;
    color: inherit; opacity: 0.6;
    line-height: 1;
}
.flash-close:hover { opacity: 1; }

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    background: var(--bg-card);
    color: var(--text);
    font-size: 0.875rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s ease;
    white-space: nowrap;
    line-height: 1.4;
}
.btn:hover { background: var(--bg-hover); text-decoration: none; color: var(--text); }
.btn-sm { padding: 5px 12px; font-size: 0.8rem; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; }
.btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-accent:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { opacity: 0.9; color: #fff; }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-outline { background: transparent; border-color: var(--border); }
.btn-outline:hover { background: var(--bg-hover); }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-ghost:hover { background: var(--bg-hover); border-color: var(--border-light); }
.btn-block { width: 100%; }
.btn-link { background: none; border: none; color: var(--text-link); cursor: pointer; font-size: 0.82rem; padding: 0; font-weight: 500; }
.btn-link:hover { text-decoration: underline; }
.btn-danger-link { color: var(--danger); }
.inline-form { display: inline; }

/* ========== FORMS ========== */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 5px; font-weight: 500; font-size: 0.85rem; color: var(--text-secondary); }
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 9px 13px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    background: var(--bg-input);
    color: var(--text);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-select-sm { width: auto; padding: 5px 10px; font-size: 0.82rem; }
.form-textarea { min-height: 80px; resize: vertical; }
.form-row { display: flex; gap: 16px; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 180px; }
.form-actions { margin-top: 20px; display: flex; gap: 10px; }

/* ========== CARDS ========== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}
.card h2 { font-size: 1.1rem; margin-bottom: 16px; }

/* ========== PAGE HERO ========== */
.page-hero {
    margin-bottom: 24px;
    padding: 8px 0;
}
.page-hero h1 {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}
.page-subtitle { color: var(--text-secondary); font-size: 0.9rem; margin-top: 4px; }

/* ========== FILTER BAR ========== */
.filter-bar {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
}
.filter-form { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.filter-group { display: flex; flex-direction: column; gap: 4px; min-width: 150px; flex: 1; }
.filter-group label { font-size: 0.75rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }
.filter-group .form-select, .filter-group .form-input { font-size: 0.85rem; padding: 7px 10px; }
.filter-actions { display: flex; gap: 6px; align-items: flex-end; }

/* ========== LETTER FILTER ========== */
.letter-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    margin-bottom: 16px;
}
.letter-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    padding: 4px 8px;
    border-radius: var(--radius-xs);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.15s;
}
.letter-link:hover { background: var(--accent-soft); color: var(--accent); text-decoration: none; }
.letter-link.active { background: var(--accent); color: #fff; }

/* ========== SONG LIST ========== */
.song-list { margin-bottom: 24px; }

.song-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: var(--text);
    text-decoration: none;
    transition: background 0.12s;
    border-bottom: 1px solid var(--border-light);
}
.song-card:hover {
    background: var(--accent-soft);
    text-decoration: none;
    color: var(--text);
}
.song-card:last-child { border-bottom: none; }

.song-number {
    color: var(--text-secondary);
    font-weight: 700;
    font-size: 0.85rem;
    min-width: 40px;
    text-align: right;
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
}
.song-title {
    flex: 1;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}
.song-meta-right {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
    align-items: center;
}
.song-key {
    background: var(--accent-soft);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.3px;
}
.song-composer {
    color: var(--text-secondary);
    font-size: 0.8rem;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ========== PAGINATION ========== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 4px;
    flex-wrap: wrap;
    margin: 28px 0;
}
.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    padding: 6px 12px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xs);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text);
    text-decoration: none;
    transition: all 0.15s;
}
.page-link:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); text-decoration: none; }
.page-link.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.page-ellipsis { padding: 6px 4px; color: var(--text-secondary); }

/* ========== SONG DETAIL ========== */
.song-detail { max-width: 820px; margin: 0 auto; }

.song-header-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}
.song-header-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}
.song-header-left { display: flex; gap: 8px; align-items: center; }
.song-badge {
    background: var(--accent-soft);
    color: var(--accent);
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}
.song-cat-badge {
    background: var(--border-light);
    color: var(--text-secondary);
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}
.song-cat-badge:hover { background: var(--accent-soft); color: var(--accent); text-decoration: none; }

.song-detail-title {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.3;
    margin-bottom: 12px;
}

.song-detail-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.meta-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--border-light);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}
.meta-chip svg { opacity: 0.6; }
.meta-sub { opacity: 0.7; }

.favorite-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s, transform 0.15s;
    padding: 4px;
    border-radius: 50%;
}
.favorite-btn:hover { transform: scale(1.15); }
.favorite-btn.is-favorite { color: var(--favorite); }
.favorite-btn svg { display: block; }

/* Song nav */
.song-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
    gap: 16px;
}
.song-nav-link {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}
.song-nav-link:hover { color: var(--accent); }
.nav-num { font-weight: 600; }
.song-actions { margin: 24px 0; display: flex; gap: 10px; }

/* Section blocks */
.section-block {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border-light);
}
.section-heading {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.count-badge {
    background: var(--border-light);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
}

/* ========== AUTH ========== */
.auth-page { display: flex; justify-content: center; padding: 48px 0; }
.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 36px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow);
}
.auth-header { text-align: center; margin-bottom: 28px; }
.auth-icon { font-size: 2.5rem; margin-bottom: 8px; }
.auth-card h1 { font-size: 1.3rem; font-weight: 700; }
.auth-switch { text-align: center; margin-top: 20px; font-size: 0.85rem; color: var(--text-secondary); }

/* ========== PROFILE ========== */
.profile-page { max-width: 700px; margin: 0 auto; }
.profile-page h1 { font-size: 1.4rem; font-weight: 800; margin-bottom: 20px; }
.info-list { display: grid; grid-template-columns: auto 1fr; gap: 8px 20px; font-size: 0.9rem; }
.info-list dt { font-weight: 600; color: var(--text-secondary); }

/* ========== BADGES ========== */
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-warning { background: var(--warning-soft); color: var(--warning-text); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-info { background: var(--accent-soft); color: var(--accent); }

/* ========== DATA TABLE ========== */
.table-wrap { overflow-x: auto; margin-bottom: 16px; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.data-table th, .data-table td { padding: 10px 14px; border-bottom: 1px solid var(--border-light); text-align: left; }
.data-table th {
    font-weight: 600; font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.data-table tr:hover { background: var(--accent-soft); }
.actions-cell { white-space: nowrap; display: flex; gap: 6px; }

/* ========== ADMIN ========== */
.admin-page { max-width: 1000px; margin: 0 auto; }
.admin-page h1 { font-size: 1.4rem; font-weight: 800; margin-bottom: 20px; }
.admin-nav { display: flex; gap: 6px; margin-bottom: 24px; flex-wrap: wrap; }
.admin-actions-bar { margin-bottom: 16px; }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 16px;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.15s;
}
.stat-card:hover { transform: translateY(-2px); }
.stat-card-warn { border-color: var(--warning); }
.stat-number { font-size: 2.2rem; font-weight: 800; color: var(--accent); letter-spacing: -0.03em; }
.stat-label { font-size: 0.8rem; color: var(--text-secondary); margin-top: 4px; font-weight: 500; }

/* ========== MEDIA ========== */
.media-item { margin-bottom: 16px; }
.youtube-embed {
    position: relative; padding-bottom: 56.25%; height: 0;
    overflow: hidden; border-radius: var(--radius-sm); max-width: 560px;
}
.youtube-embed iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.audio-link { font-size: 1rem; }
.media-title { font-size: 0.85rem; margin-top: 4px; }
.media-meta { font-size: 0.78rem; color: var(--text-secondary); }
.add-media-form { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border-light); }
.add-media-form h3 { font-size: 0.95rem; margin-bottom: 10px; }
.add-media-form .form-row { align-items: flex-end; }

/* ========== COMMENTS ========== */
.comment-form { margin-bottom: 20px; }
.comment-form .form-textarea { margin-bottom: 8px; }
.login-prompt { color: var(--text-secondary); font-size: 0.85rem; margin-bottom: 16px; }

.comment { padding: 14px 0; border-bottom: 1px solid var(--border-light); }
.comment-reply { border-bottom: none; padding: 10px 0; }
.comment-header { display: flex; gap: 8px; align-items: center; margin-bottom: 6px; }
.comment-avatar {
    display: inline-flex; align-items: center; justify-content: center;
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--accent-soft); color: var(--accent);
    font-size: 0.7rem; font-weight: 700; flex-shrink: 0;
}
.comment-author { font-size: 0.88rem; }
.comment-date { font-size: 0.78rem; color: var(--text-secondary); }
.comment-body { font-size: 0.9rem; margin-bottom: 6px; line-height: 1.5; }
.comment-actions { display: flex; gap: 12px; }
.reply-form { margin-top: 10px; }
.reply-actions { display: flex; gap: 8px; margin-top: 6px; }

/* ========== EMPTY STATE ========== */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-secondary); }
.empty-icon { font-size: 3rem; margin-bottom: 12px; opacity: 0.5; }
.empty-state p { margin-bottom: 16px; font-size: 1rem; }
.text-muted { color: var(--text-secondary); }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .hamburger { display: flex; }
    .main-nav {
        display: none; width: 100%;
        flex-direction: column; align-items: stretch;
        padding: 12px 0;
    }
    .main-nav.open { display: flex; }
    .search-form { max-width: none; }
    .nav-links { flex-wrap: wrap; margin-left: 0; gap: 4px; }
    .filter-form { flex-direction: column; }
    .filter-group { min-width: auto; }
    .song-card { padding: 10px 12px; }
    .song-meta-right { display: none; }
    .song-header-top { flex-direction: column; gap: 8px; }
    .form-row { flex-direction: column; }
    .form-row .form-group { min-width: auto; }
    .data-table th, .data-table td { padding: 8px 10px; }
    .actions-cell { flex-direction: column; gap: 4px; }
    .song-nav { flex-direction: column; gap: 8px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .header-inner { height: auto; padding: 10px 0; flex-wrap: wrap; }
}

@media (max-width: 480px) {
    .container { padding: 0 14px; }
    .main-content { padding: 20px 14px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .page-hero h1 { font-size: 1.3rem; }
}

/* ========== LYRICS TOOLBAR ========== */
.lyrics-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.lyrics-toolbar .btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

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

/* ========== FULLSCREEN OVERLAY ========== */
#fullscreenOverlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--bg);
    color: var(--text);
    flex-direction: column;
    overflow: hidden;
}
#fullscreenOverlay.active {
    display: flex;
}

.fs-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-light);
    flex-shrink: 0;
    gap: 12px;
}

.fs-header-title {
    font-weight: 700;
    font-size: 1rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.fs-header-key {
    background: var(--accent-soft);
    color: var(--accent);
    padding: 2px 10px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.fs-exit-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    color: var(--text);
    cursor: pointer;
    font-size: 0.82rem;
    font-weight: 500;
    font-family: inherit;
    padding: 5px 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
    transition: background 0.15s;
}
.fs-exit-btn:hover {
    background: var(--bg-hover);
}

.fs-body {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: auto;
    padding: 32px 48px;
}

.fs-section {
    max-width: 1100px;
    width: 100%;
    text-align: left;
}

.fs-section-label {
    font-weight: 700;
    color: var(--text-secondary);
    font-family: 'Inter', -apple-system, sans-serif;
    font-size: 1.3rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 20px;
}

.fs-lines {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 2.8rem;
    line-height: 1.45;
}

.fs-lyric-line {
    margin-bottom: 2px;
}

.fs-tap-left,
.fs-tap-right {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 50%;
    z-index: 1;
    cursor: pointer;
}
.fs-tap-left {
    left: 0;
}
.fs-tap-right {
    right: 0;
}

.fs-upnext {
    display: flex;
    align-items: baseline;
    gap: 16px;
    padding: 14px 32px;
    background: var(--bg-card);
    border-top: 1px solid var(--border-light);
    font-size: 1.15rem;
    color: var(--text-secondary);
    flex-shrink: 0;
    overflow: hidden;
    min-height: 56px;
}

.fs-upnext-label {
    font-weight: 600;
    flex-shrink: 0;
}

.fs-upnext-value {
    color: var(--text);
    font-weight: 600;
    flex-shrink: 0;
    font-size: 1.15rem;
}

.fs-upnext-preview {
    display: flex;
    flex-direction: column;
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 1.05rem;
    line-height: 1.4;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    opacity: 0.85;
    flex: 1;
    min-width: 0;
}

.fs-upnext-chord {
    color: var(--accent);
    font-weight: 700;
    white-space: pre;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fs-upnext-text {
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
}

.fs-counter {
    position: absolute;
    bottom: 16px;
    right: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    padding: 4px 14px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    z-index: 2;
}

.fs-chorus-mark {
    border-left: 3px solid var(--chorus-border);
    padding-left: 16px;
}

@media (max-width: 768px) {
    .fs-body {
        padding: 16px 20px;
    }
    .fs-lines {
        font-size: 1.6rem;
    }
    .fs-section-label {
        font-size: 1rem;
    }
    .fs-upnext {
        font-size: 1rem;
        padding: 10px 20px;
        min-height: 48px;
    }
    .fs-upnext-value {
        font-size: 1rem;
    }
    .fs-upnext-preview {
        font-size: 0.88rem;
    }
}

@media (min-width: 1200px) {
    .fs-lines {
        font-size: 3.2rem;
    }
    .fs-section-label {
        font-size: 1.4rem;
    }
    .fs-upnext {
        font-size: 1.3rem;
        padding: 16px 40px;
    }
    .fs-upnext-value {
        font-size: 1.3rem;
    }
    .fs-upnext-preview {
        font-size: 1.15rem;
    }
}