/* =============================================
   Baku Muzik 2.0 — Ultra-Premium Dark Glassmorphic Design
   Inspired by Spotify, Apple Music & Modern Web3 Apps
   Full Mobile Responsive Optimization
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

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

/* Global Reset for Interactive Elements */
button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

:root {
    --bg-base: #08090e;
    --bg-surface: rgba(18, 20, 29, 0.75);
    --bg-surface-solid: #12141d;
    --bg-card: rgba(255, 255, 255, 0.035);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.16);
    --border-glow: rgba(255, 0, 85, 0.4);
    
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-red: #ff0055;
    --accent-red-hover: #ff2a6d;
    --accent-gradient: linear-gradient(135deg, #ff0055 0%, #ff5200 100%);
    --accent-glow: rgba(255, 0, 85, 0.35);
    
    --accent-green: #10b981;
    --accent-green-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    
    --tg-blue: #0088cc;
    --tg-gradient: linear-gradient(135deg, #0088cc 0%, #00b2ff 100%);
    --tg-glow: rgba(0, 136, 204, 0.35);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-pill: 9999px;
    
    --player-height: 84px;
}

/* Light Theme Variant */
[data-theme="light"] {
    --bg-base: #f1f5f9;
    --bg-surface: rgba(255, 255, 255, 0.85);
    --bg-surface-solid: #ffffff;
    --bg-card: rgba(0, 0, 0, 0.03);
    --bg-card-hover: rgba(0, 0, 0, 0.06);
    --border: rgba(0, 0, 0, 0.08);
    --border-strong: rgba(0, 0, 0, 0.15);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
}

/* Cyberpunk Variant */
[data-theme="cyberpunk"] {
    --bg-base: #03030a;
    --bg-surface: rgba(14, 10, 31, 0.8);
    --bg-card: rgba(0, 243, 255, 0.05);
    --bg-card-hover: rgba(0, 243, 255, 0.12);
    --border: rgba(0, 243, 255, 0.2);
    --border-strong: rgba(0, 243, 255, 0.4);
    --accent-red: #00f3ff;
    --accent-gradient: linear-gradient(135deg, #00f3ff 0%, #b000ff 100%);
    --accent-glow: rgba(0, 243, 255, 0.4);
}

body.video-mode {
    --accent-red: #10b981;
    --accent-gradient: var(--accent-green-gradient);
    --accent-glow: rgba(16, 185, 129, 0.35);
}

/* Body Styling with Ambient Background Glow */
body {
    background-color: var(--bg-base);
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(255, 0, 85, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 85% 60%, rgba(0, 136, 204, 0.12) 0%, transparent 40%);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.25rem 1rem calc(var(--player-height) + 3rem);
    transition: background 0.3s, color 0.3s;
    -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ── Container ── */
.container {
    width: 100%;
    max-width: 680px;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* ── Brand Header ── */
.brand {
    width: 100%;
    margin-bottom: 0.25rem;
}
.brand-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.brand-logo-area {
    display: flex;
    align-items: center;
    gap: 14px;
}
.brand-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: #ffffff;
    box-shadow: 0 8px 24px var(--accent-glow);
    flex-shrink: 0;
}
.brand-title {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.6px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.badge-v2 {
    font-size: 11px;
    font-weight: 800;
    background: var(--accent-gradient);
    color: #ffffff;
    padding: 3px 9px;
    border-radius: var(--radius-pill);
    box-shadow: 0 4px 12px var(--accent-glow);
    letter-spacing: 0.5px;
}
.brand-subtitle {
    font-size: 13.5px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 2px;
}
.brand-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Telegram Header Badge */
.tg-header-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 136, 204, 0.15);
    border: 1px solid rgba(0, 136, 204, 0.35);
    color: #00b2ff;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    font-size: 12.5px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}
.tg-header-badge:hover {
    background: var(--tg-gradient);
    color: #ffffff;
    box-shadow: 0 4px 14px var(--tg-glow);
    transform: translateY(-1px);
}

.lang-selector {
    display: flex;
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    padding: 4px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border);
    gap: 2px;
}
.lang-btn {
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 700;
    padding: 5px 10px;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all 0.2s ease;
}
.lang-btn:hover {
    color: var(--text-primary);
}
.lang-btn.active {
    background: var(--accent-gradient);
    color: #ffffff;
    box-shadow: 0 2px 8px var(--accent-glow);
}
.btn-theme {
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}
.btn-theme:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
    transform: scale(1.05);
}

/* ── Telegram Bot Card ── */
.tg-info-card {
    background: linear-gradient(135deg, rgba(0, 136, 204, 0.12) 0%, rgba(18, 20, 29, 0.8) 100%);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(0, 136, 204, 0.3);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    box-shadow: 0 10px 30px rgba(0, 136, 204, 0.15);
}
.tg-info-content {
    display: flex;
    align-items: center;
    gap: 14px;
    flex: 1;
    min-width: 0;
}
.tg-info-icon {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--tg-gradient);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 6px 18px var(--tg-glow);
    flex-shrink: 0;
}
.tg-info-text h3 {
    font-size: 15px;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.tg-info-text p {
    font-size: 12.5px;
    color: var(--text-secondary);
    margin-top: 3px;
    line-height: 1.4;
}
.tg-info-text code {
    background: rgba(0, 136, 204, 0.2);
    color: #00b2ff;
    padding: 1px 6px;
    border-radius: 4px;
    font-weight: 700;
}
.btn-tg-open {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--tg-gradient);
    color: #ffffff;
    padding: 10px 18px;
    border-radius: var(--radius-pill);
    font-size: 13.5px;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
    box-shadow: 0 6px 20px var(--tg-glow);
    transition: all 0.25s ease;
    flex-shrink: 0;
}
.btn-tg-open:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px var(--tg-glow);
}

/* ── Search Card ── */
.search-card {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.inp-wrap {
    position: relative;
    width: 100%;
}
.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    color: var(--text-muted);
    pointer-events: none;
}
.inp-wrap input {
    width: 100%;
    height: 52px;
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0 46px 0 48px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.inp-wrap input::placeholder {
    color: var(--text-muted);
}
.inp-wrap input:focus {
    border-color: var(--accent-red);
    box-shadow: 0 0 0 4px var(--accent-glow);
    background: rgba(255, 255, 255, 0.05);
}
.btn-icon-clear {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 18px;
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    transition: color 0.2s;
}
.btn-icon-clear:hover {
    color: var(--text-primary);
}
.autocomplete-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: var(--bg-surface-solid);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    z-index: 100;
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
    max-height: 240px;
    overflow-y: auto;
}
.autocomplete-item {
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}
.autocomplete-item:hover {
    background: var(--bg-card-hover);
    color: var(--accent-red);
}

.detect-row {
    padding: 10px 14px;
    background: rgba(255, 0, 85, 0.08);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-md);
    font-size: 13.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.badge-info {
    font-weight: 700;
    color: var(--accent-red);
}
.detect-title-text {
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.action-buttons {
    display: flex;
    gap: 10px;
}
.action-btn {
    flex: 1;
    height: 48px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.action-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-strong);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
}
.btn-music:hover {
    border-color: rgba(255, 0, 85, 0.5);
    color: #ff0055;
}
.btn-video:hover {
    border-color: rgba(16, 185, 129, 0.5);
    color: #10b981;
}
.btn-search {
    background: var(--accent-gradient);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 16px var(--accent-glow);
}
.btn-search:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

/* ── Settings Panel ── */
.settings-panel {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}
.panel-section-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.quality-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 10px;
}
.q-card {
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}
.q-card:hover {
    border-color: var(--border-strong);
    background: var(--bg-card-hover);
}
.q-card.selected {
    border-color: var(--accent-red);
    background: rgba(255, 0, 85, 0.12);
    box-shadow: 0 0 14px var(--accent-glow);
}
.q-title {
    font-size: 14px;
    font-weight: 800;
    color: var(--text-primary);
}
.q-sub {
    font-size: 11.5px;
    color: var(--text-secondary);
    margin-top: 3px;
    font-weight: 500;
}

/* Audio Trimmer */
.trimmer-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px;
}
.checkbox-container {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    user-select: none;
    color: var(--text-primary);
}
.checkbox-container input {
    accent-color: var(--accent-red);
    width: 18px;
    height: 18px;
    cursor: pointer;
}
.trimmer-controls {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}
.trim-inputs {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.trim-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}
.time-inputs {
    display: flex;
    align-items: center;
    gap: 6px;
}
.time-inputs input {
    width: 56px;
    height: 38px;
    background: var(--bg-surface-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.tg-option-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.tg-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.tg-label-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}
.tg-sub-link {
    font-size: 12px;
    font-weight: 700;
    color: #00b2ff;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.tg-sub-link:hover { text-decoration: underline; }
.tg-option-card input {
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0 14px;
    font-size: 14px;
    color: var(--text-primary);
    transition: border 0.2s;
}
.tg-option-card input:focus {
    border-color: var(--accent-red);
}

.dl-start-btn {
    width: 100%;
    height: 50px;
    background: var(--accent-gradient);
    color: #ffffff;
    border-radius: var(--radius-md);
    font-size: 15.5px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    box-shadow: 0 6px 20px var(--accent-glow);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.dl-start-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px var(--accent-glow);
}

/* Progress Card */
.prog-card {
    background: var(--bg-card);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.prog-header {
    display: flex;
    justify-content: space-between;
    font-size: 13.5px;
    font-weight: 700;
}
.prog-status-text { color: var(--text-primary); }
.prog-detail-text { color: var(--accent-red); }
.prog-bar-wrap {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    overflow: hidden;
}
.prog-bar-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Track-by-track Progress Log Box */
.prog-log-box {
    max-height: 160px;
    overflow-y: auto;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 12.5px;
    font-weight: 600;
}
.prog-log-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    color: var(--text-secondary);
}
.prog-log-item.active { color: #00b2ff; }
.prog-log-item.done { color: var(--accent-green); }
.prog-log-item.error { color: #ff0055; }

.dl-result-box {
    margin-top: 6px;
}
.btn-download-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    background: var(--accent-green-gradient);
    color: #ffffff;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 800;
    font-size: 15px;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
    transition: all 0.25s ease;
}
.btn-download-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(16, 185, 129, 0.5);
}

/* ── Content Section ── */
.content-section {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}
.section-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.results-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 420px;
    overflow-y: auto;
}

/* Track Cards */
.track-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}
.track-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-strong);
    transform: translateX(2px);
}
.track-thumb {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}
.track-info {
    flex: 1;
    min-width: 0;
}
.track-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.track-channel {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 2px;
}

/* Playlist Header */
.playlist-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.playlist-actions {
    display: flex;
    gap: 8px;
}
.btn-sm {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 7px 14px;
    border-radius: var(--radius-pill);
    font-size: 12.5px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-sm:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-strong);
}
.btn-sm.btn-primary {
    background: var(--accent-gradient);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 12px var(--accent-glow);
}
.btn-sm.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px var(--accent-glow);
}

/* Trending Section */
.trend-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 6px;
}
.trend-tab {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.2s ease;
}
.trend-tab:hover {
    color: var(--text-primary);
    border-color: var(--border-strong);
}
.trend-tab.active {
    background: var(--accent-gradient);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 14px var(--accent-glow);
}
.grid-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    max-height: 440px;
    overflow-y: auto;
}
.trend-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}
.trend-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-strong);
    transform: translateX(2px);
}
.trend-thumb {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}
.trend-info {
    flex: 1;
    min-width: 0;
}
.trend-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.trend-channel {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 2px;
}
.trend-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}
.trend-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 7px 12px;
    border-radius: var(--radius-pill);
    font-size: 12.5px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s ease;
}
.trend-btn:hover {
    background: var(--accent-gradient);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 14px var(--accent-glow);
    transform: scale(1.04);
}

/* ── Sticky Bottom Audio Player ── */
.sticky-player {
    position: fixed;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 32px);
    max-width: 900px;
    height: var(--player-height);
    background: rgba(14, 16, 25, 0.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.25rem;
    gap: 16px;
}
[data-theme="light"] .sticky-player {
    background: rgba(255, 255, 255, 0.9);
}

.player-left {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 220px;
    min-width: 0;
}
.player-cover-img {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}
.player-cover-img.playing {
    animation: spinCover 16s linear infinite;
}
@keyframes spinCover {
    100% { transform: rotate(360deg); }
}
.player-info {
    flex: 1;
    min-width: 0;
}
.player-title-text {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.player-channel-text {
    font-size: 11.5px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 2px;
}
.btn-icon-fav {
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    transition: all 0.2s;
}
.btn-icon-fav:hover, .btn-icon-fav.active {
    color: #ff0055;
    transform: scale(1.1);
}

.player-center {
    flex: 1;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.player-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}
.btn-icon-control {
    color: var(--text-secondary);
    font-size: 19px;
    cursor: pointer;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}
.btn-icon-control:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}
.btn-icon-control.active {
    color: var(--accent-red);
}
.btn-play-main {
    background: var(--accent-gradient);
    color: #ffffff;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 16px var(--accent-glow);
    transition: transform 0.2s ease;
}
.btn-play-main:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.player-progress-area {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
}
.time-text {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    min-width: 32px;
}
.seek-slider {
    flex: 1;
    accent-color: var(--accent-red);
    cursor: pointer;
    height: 4px;
}

.player-right {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 180px;
    justify-content: flex-end;
}
.visualizer-canvas {
    background: transparent;
    border-radius: 4px;
}
.volume-area {
    display: flex;
    align-items: center;
    gap: 6px;
}
.volume-area i {
    font-size: 18px;
    color: var(--text-secondary);
    cursor: pointer;
}
.vol-slider {
    width: 70px;
    accent-color: var(--accent-red);
    height: 4px;
    cursor: pointer;
}

/* ══════════════════════════════════════
   Mobile Responsive Overhaul (< 640px)
   ══════════════════════════════════════ */
@media (max-width: 640px) {
    body {
        padding: 1rem 0.75rem calc(var(--player-height) + 2rem);
    }
    .brand-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .brand-actions {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
    }
    .tg-header-badge {
        font-size: 11.5px;
        padding: 5px 10px;
    }
    .action-buttons {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    .btn-search {
        grid-column: span 2;
    }
    .quality-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .tg-info-card {
        flex-direction: column;
        align-items: stretch;
        text-align: left;
        padding: 1rem;
    }
    .btn-tg-open {
        width: 100%;
        justify-content: center;
    }
    .trend-actions .trend-btn span {
        display: none;
    }
    .trend-btn {
        padding: 6px 9px;
    }
    .sticky-player {
        padding: 0 0.75rem;
        width: calc(100% - 16px);
        bottom: 8px;
        height: 72px;
    }
    .player-left {
        width: 120px;
    }
    .player-cover-img {
        width: 42px;
        height: 42px;
    }
    .player-right {
        display: none;
    }
    .player-controls {
        gap: 8px;
    }
}

footer {
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-muted);
    text-align: center;
    margin-top: 1.5rem;
}