/* ============================================
   Candy's Jukebox - Spotify Clone Design
   Mobile-First • Dark Theme • Modern UI
   ============================================ */

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

/* Design Tokens */
:root {
    /* Colors */
    --bg-primary: #121212;
    --bg-secondary: #1a1a1a;
    --bg-card: #2a2a2a;
    --bg-hover: #3e3e3e;
    --bg-elevated: #282828;

    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #6a6a6a;

    --accent: #1db954;
    --accent-hover: #1ed760;
    --accent-glow: rgba(29, 185, 84, 0.3);

    --danger: #e91429;
    --border: rgba(255, 255, 255, 0.05);

    /* Typography */
    --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
    --space-2xl: 32px;

    /* Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-album: 0 20px 40px rgba(0, 0, 0, 0.6);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;

    /* Layout */
    --header-height: 60px;
    --nav-height: 80px;
    --mini-player-height: 64px;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.4;
    overflow-x: hidden;
    min-height: 100vh;
    min-height: 100dvh;
}

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
    color: inherit;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

input,
textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================
   App Layout
   ============================================ */

#app {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* ============================================
   Header
   ============================================ */

.app-header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(180deg, rgba(29, 185, 84, 0.15) 0%, var(--bg-primary) 100%);
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-icon-img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.logo-text {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.header-btn {
    font-size: 24px;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.header-btn:hover {
    color: var(--text-primary);
}

.profile-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    border: 2px solid var(--accent);
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    transition: transform var(--transition-fast);
}

.profile-avatar:active {
    transform: scale(0.95);
}

/* ============================================
   Main Content
   ============================================ */

.main-content {
    flex: 1;
    padding: var(--space-xl);
    padding-bottom: calc(var(--nav-height) + var(--space-2xl));
    overflow-y: auto;
}

.main-content.has-mini-player {
    padding-bottom: calc(var(--nav-height) + var(--mini-player-height) + var(--space-2xl));
}

/* ============================================
   Bottom Navigation
   ============================================ */

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(18, 18, 18, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: var(--space-md) var(--space-2xl);
    padding-bottom: calc(var(--space-md) + env(safe-area-inset-bottom, 0px));
    z-index: 200;
}

.nav-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm);
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.nav-tab iconify-icon {
    font-size: 24px;
}

.nav-tab span {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

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

.nav-tab:hover {
    color: var(--text-primary);
}

/* ============================================
   Mini Player
   ============================================ */

.mini-player {
    position: fixed;
    bottom: var(--nav-height);
    left: var(--space-md);
    right: var(--space-md);
    height: var(--mini-player-height);
    background: linear-gradient(135deg, #2a3b47 0%, #1a2530 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    padding: var(--space-md);
    gap: var(--space-md);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    z-index: 150;
}

.mini-player-cover {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    object-fit: cover;
    background: var(--bg-card);
}

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

.mini-player-title {
    display: block;
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mini-player-artist {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mini-player-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.mini-player-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.mini-player-btn:hover {
    color: var(--text-primary);
}

.mini-player-play {
    color: var(--text-primary);
    font-size: 28px;
}

/* ============================================
   Home Page
   ============================================ */

.greeting {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: var(--space-xl);
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.featured-card {
    aspect-ratio: 1.5;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.featured-card:active {
    transform: scale(0.98);
}

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

.featured-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    display: flex;
    align-items: flex-end;
    padding: var(--space-md);
}

.featured-card-name {
    font-size: 13px;
    font-weight: 700;
}

/* Section Header */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.section-title {
    font-size: 20px;
    font-weight: 800;
}

.section-link {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Playlist List */
.playlist-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.playlist-item {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

.playlist-item:active {
    transform: scale(0.99);
}

.playlist-item-cover {
    width: 48px;
    height: 48px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

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

.playlist-item-cover.gradient {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
}

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

.playlist-item-name {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 2px;
}

.playlist-item-meta {
    font-size: 12px;
    color: var(--text-muted);
}

/* Create Playlist Button */
.create-playlist-btn {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
    width: 100%;
}

.create-playlist-btn:hover {
    background: var(--bg-card);
}

.create-playlist-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.create-playlist-btn:hover .create-playlist-icon {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.create-playlist-text {
    text-align: left;
}

.create-playlist-text p:first-child {
    font-size: 15px;
    font-weight: 700;
}

.create-playlist-text p:last-child {
    font-size: 12px;
    color: var(--text-muted);
}

/* ============================================
   Search Page
   ============================================ */

.search-header {
    position: sticky;
    top: 0;
    background: var(--bg-primary);
    padding-bottom: var(--space-lg);
    z-index: 10;
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--bg-elevated);
    border-radius: var(--radius-full);
    padding: var(--space-md) var(--space-lg);
}

.search-input-wrapper iconify-icon {
    font-size: 20px;
    color: var(--text-muted);
}

.search-input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 15px;
    outline: none;
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-cancel {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    padding: var(--space-sm);
}

/* Filter Pills */
.filter-pills {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    overflow-x: auto;
    scrollbar-width: none;
}

.filter-pills::-webkit-scrollbar {
    display: none;
}

.filter-pill {
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    background: var(--bg-card);
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.filter-pill.active {
    background: var(--accent);
    color: #000;
}

/* Search Results */
.search-results {
    margin-top: var(--space-lg);
}

.results-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-lg);
}

.result-item {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-sm) 0;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.result-item:active {
    transform: scale(0.98);
}

.result-cover {
    position: relative;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-card);
    flex-shrink: 0;
}

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

.result-cover-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.result-item:hover .result-cover-overlay {
    opacity: 1;
}

.result-cover-overlay iconify-icon {
    font-size: 24px;
}

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

.result-title {
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.result-meta {
    font-size: 12px;
    color: var(--text-muted);
}

.result-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.result-duration {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

.result-add-btn {
    font-size: 24px;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.result-add-btn:hover {
    color: var(--accent);
}

/* ============================================
   Playlist Detail Page
   ============================================ */

.playlist-detail {
    padding-top: 0;
}

.playlist-hero {
    position: relative;
    margin: calc(var(--space-xl) * -1);
    margin-bottom: var(--space-xl);
    padding: var(--space-xl);
    padding-top: var(--space-2xl);
    background: linear-gradient(180deg, rgba(29, 185, 84, 0.3) 0%, var(--bg-primary) 100%);
}

.playlist-back-btn {
    position: absolute;
    top: var(--space-lg);
    left: var(--space-lg);
    width: 36px;
    height: 36px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.playlist-hero-actions {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    display: flex;
    gap: var(--space-md);
}

.playlist-hero-btn {
    font-size: 24px;
    color: var(--text-secondary);
}

.playlist-cover {
    width: 180px;
    height: 180px;
    margin: 0 auto var(--space-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-album);
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
}

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

.playlist-title {
    font-size: 24px;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--space-sm);
}

.playlist-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 13px;
    color: var(--text-secondary);
}

.playlist-info-avatar {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
}

/* Playlist Controls */
.playlist-controls {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.playlist-play-btn {
    width: 56px;
    height: 56px;
    background: var(--accent);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #000;
    box-shadow: 0 8px 24px var(--accent-glow);
    transition: all var(--transition-fast);
}

.playlist-play-btn:hover {
    transform: scale(1.05);
    background: var(--accent-hover);
}

.playlist-action-btn {
    font-size: 28px;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.playlist-action-btn:hover {
    color: var(--text-primary);
}

/* Song List */
.song-list {
    display: flex;
    flex-direction: column;
}

.song-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.song-row:hover {
    background: var(--bg-card);
    margin: 0 calc(var(--space-md) * -1);
    padding-left: var(--space-md);
    padding-right: var(--space-md);
}

.song-number {
    width: 24px;
    text-align: center;
    font-size: 14px;
    color: var(--text-muted);
}

.song-row:hover .song-number {
    display: none;
}

.song-play-icon {
    display: none;
    width: 24px;
    text-align: center;
    font-size: 16px;
    color: var(--accent);
}

.song-row:hover .song-play-icon {
    display: block;
}

.song-row.playing .song-number {
    display: none;
}

.song-row.playing .song-play-icon {
    display: block;
}

.song-row.playing .song-title {
    color: var(--accent);
}

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

.song-title {
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.song-artist {
    font-size: 12px;
    color: var(--text-muted);
}

.song-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.song-duration {
    font-size: 13px;
    color: var(--text-muted);
}

.song-menu-btn {
    font-size: 20px;
    color: var(--text-muted);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.song-row:hover .song-menu-btn {
    opacity: 1;
}

/* ============================================
   Full Screen Player
   ============================================ */

.player-screen {
    position: fixed;
    inset: 0;
    background: linear-gradient(180deg, #1f3a2b 0%, var(--bg-primary) 40%);
    z-index: 500;
    display: flex;
    flex-direction: column;
    padding: var(--space-xl);
    padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom, 0px));
    overflow-y: auto;
}

.player-screen-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.player-close-btn,
.player-menu-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--text-secondary);
}

.player-header-info {
    text-align: center;
}

.player-source-label {
    display: block;
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.player-source-name {
    display: block;
    font-size: 12px;
    font-weight: 700;
}

.player-media-container {
    position: relative;
    width: 100%;
    max-width: 320px;
    aspect-ratio: 1;
    margin: 0 auto var(--space-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-album);
    background: #000;
}

/* Video layer - always visible, plays in background */
.player-video-layer {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.player-video-layer iframe {
    width: 100%;
    height: 100%;
    border: none;
    pointer-events: none;
}

/* Cover overlay - can be toggled to show/hide */
.player-cover-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    transition: opacity var(--transition-fast);
}

.player-cover-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.player-cover-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


.media-toggle-btn {
    position: absolute;
    bottom: var(--space-md);
    right: var(--space-md);
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--text-primary);
    z-index: 10;
    transition: all var(--transition-fast);
}

.media-toggle-btn:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.1);
}

.media-toggle-btn.active {
    color: var(--accent);
}

.player-song-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.player-song-text {
    flex: 1;
    min-width: 0;
}

.player-song-title {
    font-size: 22px;
    font-weight: 800;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: var(--space-xs);
}

.player-song-artist {
    font-size: 14px;
    color: var(--text-secondary);
}

.player-heart-btn {
    font-size: 28px;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.player-heart-btn:hover,
.player-heart-btn.active {
    color: var(--accent);
}

/* Progress Bar */
.player-progress {
    margin-bottom: var(--space-lg);
}

.progress-bar {
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    cursor: pointer;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    width: 0%;
    position: relative;
    transition: width 0.1s linear;
}

.progress-knob {
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.progress-bar:hover .progress-knob {
    opacity: 1;
}

.progress-times {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-sm);
    font-size: 10px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.05em;
}

/* Player Controls */
.player-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
    padding: 0 var(--space-md);
}

.control-btn {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.4);
    transition: color var(--transition-fast);
}

.control-btn:hover,
.control-btn.active {
    color: var(--text-primary);
}

.control-btn.active {
    color: var(--accent);
}

.control-skip {
    font-size: 32px;
    color: var(--text-primary);
}

.control-play {
    width: 64px;
    height: 64px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-size: 32px;
    transition: transform var(--transition-fast);
}

.control-play:active {
    transform: scale(0.95);
}

/* Queue Section */
.player-queue {
    margin-top: auto;
}

.queue-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.queue-title {
    font-size: 15px;
    font-weight: 700;
}

.queue-show-all {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.queue-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.queue-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.queue-item:hover {
    opacity: 1;
}

.queue-item.current {
    opacity: 1;
}

.queue-item.current .queue-item-title {
    color: var(--accent);
}

.queue-item-cover {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    object-fit: cover;
    background: var(--bg-card);
}

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

.queue-item-title {
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.queue-item-artist {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

.queue-item-drag {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.2);
}

/* ============================================
   Modals
   ============================================ */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 600;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    z-index: 601;
    transform: translateY(100%);
    transition: transform var(--transition-normal);
    max-height: 90vh;
    overflow-y: auto;
}

.modal.active {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl);
    padding-bottom: var(--space-lg);
}

.modal-header h2 {
    font-size: 20px;
    font-weight: 800;
}

.modal-close-btn {
    font-size: 24px;
    color: var(--text-muted);
}

.modal-body {
    padding: 0 var(--space-xl) var(--space-xl);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid var(--border);
}

/* Playlist Cover Upload */
.playlist-cover-upload {
    width: 140px;
    height: 140px;
    margin: 0 auto var(--space-xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.cover-placeholder-icon {
    font-size: 48px;
    color: var(--text-muted);
}

.cover-add-btn {
    position: absolute;
    bottom: -8px;
    right: -8px;
    width: 32px;
    height: 32px;
    background: var(--bg-hover);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-primary);
}

/* Form Elements */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-lg);
    background: var(--bg-card);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 15px;
    outline: none;
    transition: box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    box-shadow: 0 0 0 2px var(--accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.modal-disclaimer {
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 700;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--accent);
    color: #000;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-text {
    color: var(--text-secondary);
}

.btn-text:hover {
    color: var(--text-primary);
}

/* Playlist Select */
.playlist-select-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.playlist-select-item {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.playlist-select-item:hover {
    background: var(--bg-card);
}

.playlist-select-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    overflow: hidden;
}

.playlist-select-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.playlist-select-name {
    font-size: 15px;
    font-weight: 600;
}

/* ============================================
   Toast Notifications
   ============================================ */

.toast-container {
    position: fixed;
    top: calc(var(--header-height) + var(--space-md));
    left: 50%;
    transform: translateX(-50%);
    z-index: 600;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    pointer-events: none;
}

.toast {
    background: var(--bg-card);
    color: var(--text-primary);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s;
}

.toast.success {
    border-left: 4px solid var(--accent);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes toastOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

/* ============================================
   YouTube Player Container (Hidden)
   ============================================ */

#youtube-player-container {
    position: fixed;
    bottom: -9999px;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

/* ============================================
   Empty States
   ============================================ */

.empty-state {
    text-align: center;
    padding: var(--space-2xl);
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.empty-state p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

/* ============================================
   Utility Classes
   ============================================ */

.spotify-gradient {
    background: linear-gradient(180deg, rgba(29, 185, 84, 0.15) 0%, var(--bg-primary) 40%);
}

.active-glow {
    box-shadow: 0 0 15px var(--accent-glow);
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: scale(1);
        opacity: 0.95;
    }

    50% {
        transform: scale(1.02);
        opacity: 1;
    }

    100% {
        transform: scale(1);
        opacity: 0.95;
    }
}