/* ============================================================
   MAIN.CSS — Design System & Core Styles
   موقع كاظم الساهر — قيصر الأغنية العربية
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
}

a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; color: inherit; }
input, select, textarea { font-family: inherit; color: inherit; }
input:focus, select:focus, textarea:focus, button:focus { outline: none; }

/* ======================== CSS CUSTOM PROPERTIES ======================== */
:root {
  /* === Default Theme (Royal Purple & Gold) === */
  --color-primary: #c084fc;
  --color-primary-rgb: 192, 132, 252;
  --color-bg: #1a0a2e;
  --color-bg-rgb: 26, 10, 46;
  --color-bg-secondary: #16213e;
  --color-glow: #e9d5ff;
  --color-glow-rgb: 233, 213, 255;
  --color-card: rgba(255, 255, 255, 0.05);
  --color-card-border: rgba(255, 255, 255, 0.08);
  --color-player-bg: #0f0720;
  --color-text-primary: #f0e6d3;
  --color-text-secondary: rgba(240, 230, 211, 0.6);
  --color-accent: #d4a853;
  --color-accent-rgb: 212, 168, 83;

  /* === Typography === */
  --font-display: 'Aref Ruqaa', serif;
  --font-body: 'Cairo', sans-serif;
  --font-mono: 'Inter', sans-serif;

  /* === Spacing === */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* === Border Radius === */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;

  /* === Transitions === */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.6s ease;
  --transition-theme: 1.2s ease;

  /* === Z-Index Scale === */
  --z-bg: -2;
  --z-overlay: -1;
  --z-canvas: 1;
  --z-content: 10;
  --z-nav: 100;
  --z-mini-player: 150;
  --z-modal: 200;
  --z-toast: 300;
  --z-curtain: 500;

  /* === Glassmorphism === */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: 12px;
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

  /* === Sizes === */
  --nav-height: 72px;
  --mini-player-height: 72px;
  --mobile-nav-height: 64px;
}

/* ======================== BODY & BASE ======================== */
body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  line-height: 1.7;
  direction: rtl;
  transition:
    background-color var(--transition-theme),
    color var(--transition-slow);
}

/* ======================== BACKGROUND LAYERS ======================== */
.immersive-bg {
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: blur(50px) brightness(0.3) saturate(1.4);
  transform: scale(1.3);
  opacity: 0;
  transition:
    opacity var(--transition-theme),
    filter var(--transition-theme);
}

.immersive-bg.active {
  opacity: 1;
}

.gradient-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: linear-gradient(
    180deg,
    rgba(var(--color-bg-rgb), 0.6) 0%,
    rgba(var(--color-bg-rgb), 0.85) 50%,
    rgba(var(--color-bg-rgb), 0.95) 100%
  );
  pointer-events: none;
  transition: background var(--transition-theme);
}

.butterfly-canvas {
  position: fixed;
  inset: 0;
  z-index: var(--z-canvas);
  pointer-events: none;
}

.petals-container {
  position: fixed;
  inset: 0;
  z-index: var(--z-canvas);
  pointer-events: none;
  overflow: hidden;
}

.particles-container {
  position: fixed;
  inset: 0;
  z-index: var(--z-canvas);
  pointer-events: none;
  overflow: hidden;
}

.curtain-transition {
  position: fixed;
  inset: 0;
  z-index: var(--z-curtain);
  background: linear-gradient(
    180deg,
    rgba(var(--color-bg-rgb), 0.98) 0%,
    rgba(var(--color-bg-rgb), 0.95) 100%
  );
  transform: translateY(-100%);
  pointer-events: none;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.curtain-transition.active {
  transform: translateY(0);
}

/* ======================== TYPOGRAPHY ======================== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.3;
}

.section-title {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
  background: linear-gradient(135deg, var(--color-text-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  color: var(--color-text-secondary);
  font-size: 1rem;
  margin-bottom: var(--space-2xl);
}

/* ======================== GLASSMORPHISM ======================== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transition:
    background var(--transition-theme),
    border-color var(--transition-theme),
    box-shadow var(--transition-normal);
}

/* ======================== BUTTONS ======================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  background: linear-gradient(135deg,
    rgba(var(--color-primary-rgb), 0.8),
    rgba(var(--color-accent-rgb), 0.6));
  color: #fff;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.15),
    rgba(255, 255, 255, 0));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(var(--color-primary-rgb), 0.3);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-glow {
  animation: btn-pulse 3s ease-in-out infinite;
}

@keyframes btn-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(var(--color-primary-rgb), 0.2); }
  50% { box-shadow: 0 0 35px rgba(var(--color-primary-rgb), 0.4); }
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-secondary);
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-primary);
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* ======================== NAVIGATION ======================== */
.main-nav {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  height: var(--nav-height);
  z-index: var(--z-nav);
  background: rgba(var(--color-bg-rgb), 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background var(--transition-theme);
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-accent);
  transition: color var(--transition-theme);
}

.brand-icon {
  display: flex;
  color: var(--color-primary);
  transition: color var(--transition-theme);
}

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

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  left: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

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

.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  transform: scaleX(1);
}

/* ======================== MOBILE NAVIGATION ======================== */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  right: 0;
  left: 0;
  height: var(--mobile-nav-height);
  z-index: var(--z-nav);
  background: rgba(var(--color-bg-rgb), 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  justify-content: space-around;
  align-items: center;
  padding: 0 var(--space-sm);
  transition: background var(--transition-theme),
              bottom var(--transition-normal);
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: color var(--transition-normal);
}

.mobile-nav-item.active {
  color: var(--color-primary);
}

.mobile-nav-item svg {
  transition: transform var(--transition-normal);
}

.mobile-nav-item.active svg {
  transform: scale(1.1);
}

/* ======================== MAIN CONTENT ======================== */
.app-content {
  position: relative;
  z-index: var(--z-content);
  min-height: 100vh;
  padding-top: var(--nav-height);
}

.view {
  display: none;
  min-height: calc(100vh - var(--nav-height));
  padding: var(--space-2xl);
  animation: fadeIn 0.5s ease;
}

.view.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ======================== HERO (HOME VIEW) ======================== */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--nav-height));
  text-align: center;
  position: relative;
}

.hero-content {
  max-width: 700px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-accent);
  letter-spacing: 3px;
  margin-bottom: var(--space-lg);
  opacity: 0.8;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-family: var(--font-display);
  background: linear-gradient(135deg, var(--color-text-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-md);
  text-shadow: none;
  position: relative;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.stat-card {
  padding: var(--space-md) var(--space-xl);
  text-align: center;
  min-width: 100px;
}

.stat-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: color var(--transition-theme);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* Hero decoration orbs */
.hero-decoration {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  will-change: transform;
}

.hero-glow-1 {
  width: 400px;
  height: 400px;
  background: var(--color-primary);
  top: -100px;
  right: -100px;
  animation: orb-float-1 9s ease-in-out infinite;
}

.hero-glow-2 {
  width: 320px;
  height: 320px;
  background: var(--color-accent);
  bottom: -50px;
  left: -50px;
  animation: orb-float-2 11s ease-in-out infinite;
}

.hero-glow-3 {
  width: 250px;
  height: 250px;
  background: var(--color-glow);
  top: calc(50% - 125px);
  left: calc(50% - 125px);
  animation: orb-float-3 13s ease-in-out infinite;
}

@keyframes orb-float-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(20px, -30px) scale(1.06); }
  66%       { transform: translate(-15px, 20px) scale(0.95); }
}

@keyframes orb-float-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(-20px, 25px) scale(1.08); }
  66%       { transform: translate(18px, -20px) scale(0.93); }
}

@keyframes orb-float-3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  40%       { transform: translate(15px, -20px) scale(1.1); }
  75%       { transform: translate(-12px, 15px) scale(0.92); }
}

/* ======================== LIBRARY VIEW ======================== */
.library-container {
  max-width: 1400px;
  margin: 0 auto;
}

.library-header {
  margin-bottom: var(--space-2xl);
}

.library-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.search-box {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  flex: 1;
  min-width: 250px;
}

.search-box svg {
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.search-input {
  width: 100%;
  background: transparent;
  border: none;
  font-size: 0.95rem;
  color: var(--color-text-primary);
}

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

.filter-group {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.filter-select {
  padding: var(--space-sm) var(--space-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  font-size: 0.85rem;
  color: var(--color-text-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  min-width: 130px;
}

.filter-select option {
  background: var(--color-bg);
  color: var(--color-text-primary);
}

/* Songs Grid */
.songs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-lg);
}

/* Song Card */
.song-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
}

.song-card:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--color-primary-rgb), 0.3);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.3),
    0 0 20px rgba(var(--color-primary-rgb), 0.1);
}

.song-card-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
}

.song-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.song-card:hover .song-card-cover img {
  transform: scale(1.08);
}

.song-card-play {
  position: absolute;
  bottom: 12px;
  left: 12px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(var(--color-primary-rgb), 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(8px);
  transition: all var(--transition-normal);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.song-card:hover .song-card-play {
  opacity: 1;
  transform: translateY(0);
}

.song-card-play svg {
  color: #fff;
  margin-right: -2px;
}

.song-card-info {
  padding: var(--space-md);
}

.song-card-title {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.song-card-album {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.song-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-sm);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.song-card-duration {
  font-family: var(--font-mono);
}

.song-card-mood {
  font-size: 0.85rem;
}

/* ── Song Card Action Buttons (edit / delete / add-playlist) ── */
.song-card-actions {
  position: absolute;
  top: 8px;
  left: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 10;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  pointer-events: none;
}

.song-card:hover .song-card-actions {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.song-card-action-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(15, 7, 32, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
  color: rgba(255,255,255,0.8);
}

.song-card-action-btn svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.song-card-action-btn:hover {
  transform: scale(1.15);
  color: #fff;
}

/* Edit button — purple on hover */
.song-card-action-btn[data-action="edit"]:hover {
  background: rgba(var(--color-primary-rgb), 0.85);
  border-color: var(--color-primary);
}

/* Delete button — red on hover */
.song-card-action-btn[data-action="delete"]:hover {
  background: rgba(239, 68, 68, 0.85);
  border-color: rgba(239, 68, 68, 0.6);
}

/* Add-playlist button — gold on hover */
.song-card-action-btn[data-action="add-playlist"]:hover {
  background: rgba(var(--color-accent-rgb), 0.85);
  border-color: var(--color-accent);
}

/* ── Admin-Only Elements ── */
/* Hide admin buttons by default */
.admin-only {
  display: none !important;
}

/* Show when body has .is-admin */
body.is-admin .admin-only {
  display: flex !important;
}

/* ── Playlists UI ── */
.playlists-container::-webkit-scrollbar {
  height: 6px;
}
.playlists-container::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 10px;
}
.playlists-container::-webkit-scrollbar-thumb {
  background: rgba(var(--color-primary-rgb), 0.3);
  border-radius: 10px;
}

.playlist-card {
  position: relative;
  min-width: 160px;
  max-width: 160px;
  height: 160px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  cursor: pointer;
  transition: all var(--transition-normal);
  overflow: hidden;
}

.playlist-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(var(--color-bg-rgb), 0.8), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: 1;
}

.playlist-card:hover {
  transform: translateY(-5px);
  border-color: rgba(var(--color-primary-rgb), 0.4);
  box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.playlist-card:hover::before {
  opacity: 1;
}

.playlist-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(var(--color-primary-rgb), 0.2);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  z-index: 2;
}

.playlist-card:hover .playlist-icon {
  background: var(--color-primary);
  color: #fff;
  transform: scale(1.1);
}

.playlist-info {
  text-align: center;
  z-index: 2;
}

.playlist-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.playlist-count {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.playlist-play-btn {
  position: absolute;
  bottom: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--transition-normal);
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.playlist-card:hover .playlist-play-btn {
  opacity: 1;
  transform: scale(1);
}

.playlist-play-btn:hover {
  transform: scale(1.15) !important;
}

.playlist-delete-btn {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.8);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--transition-normal);
}

.playlist-card:hover .playlist-delete-btn {
  opacity: 1;
  transform: scale(1);
}

.playlist-delete-btn:hover {
  background: rgba(239, 68, 68, 1);
  transform: scale(1.15) !important;
}

/* Playlist options in modal */
.playlist-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.03);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.playlist-option:hover {
  background: rgba(var(--color-primary-rgb), 0.1);
  border-color: rgba(var(--color-primary-rgb), 0.3);
}

.playlist-option-title {
  font-weight: 600;
  font-size: 1rem;
}

.playlist-option-count {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--space-4xl) var(--space-xl);
}

.empty-icon {
  margin-bottom: var(--space-lg);
}

.empty-state h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.empty-state p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

/* ======================== UPLOAD VIEW ======================== */
.upload-container {
  max-width: 900px;
  margin: 0 auto;
}

.upload-zones {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.upload-zone {
  position: relative;
  border: 2px dashed rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  overflow: hidden;
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: rgba(var(--color-primary-rgb), 0.4);
  background: rgba(var(--color-primary-rgb), 0.05);
}

.upload-zone-inner {
  text-align: center;
  padding: var(--space-xl);
}

.upload-zone-icon {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.upload-zone-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.upload-zone-hint {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.upload-zone-formats {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  opacity: 0.6;
  font-family: var(--font-mono);
}

.upload-zone-preview {
  width: 100%;
  height: 100%;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.file-preview-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  width: 100%;
}

.file-preview-card svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.file-info {
  flex: 1;
  overflow: hidden;
}

.file-name {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-meta {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
}

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

.btn-remove:hover {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
}

.image-preview-img {
  width: 100%;
  max-height: 160px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
}

.btn-remove-img {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
}

.color-swatches {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-top: var(--space-sm);
}

.color-swatch {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  border: 2px solid rgba(255, 255, 255, 0.2);
  transition: transform var(--transition-fast);
}

.color-swatch:hover {
  transform: scale(1.2);
}

/* Form */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group-full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.required {
  color: var(--color-primary);
}

.form-input {
  padding: 12px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--color-text-primary);
  transition: all var(--transition-normal);
}

.form-input:focus {
  border-color: rgba(var(--color-primary-rgb), 0.5);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.form-input::placeholder {
  color: rgba(var(--color-text-secondary), 0.5);
}

.form-textarea {
  resize: vertical;
  min-height: 150px;
  line-height: 2;
}

.form-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: flex-start;
}

/* ======================== ABOUT VIEW ======================== */
.about-container {
  max-width: 900px;
  margin: 0 auto;
}

.about-hero {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.about-title {
  font-size: 2.5rem;
  background: linear-gradient(135deg, var(--color-text-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
}

.about-subtitle {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
}

.about-content {
  padding: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.about-bio p {
  margin-bottom: var(--space-md);
  line-height: 2;
  color: var(--color-text-secondary);
}

.about-bio strong {
  color: var(--color-text-primary);
}

/* Timeline */
.timeline-title {
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-xl);
  color: var(--color-accent);
}

.timeline {
  position: relative;
  padding-right: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.timeline::before {
  content: '';
  position: absolute;
  right: 10px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(var(--color-primary-rgb), 0.4),
    rgba(var(--color-accent-rgb), 0.4),
    transparent
  );
}

.timeline-item {
  position: relative;
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.timeline-item::before {
  content: '';
  position: absolute;
  right: calc(-1 * var(--space-2xl) + 4px);
  top: var(--space-xl);
  width: 14px;
  height: 14px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  border: 3px solid var(--color-bg);
  z-index: 1;
  transition: background var(--transition-theme), border-color var(--transition-theme);
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
  transition: color var(--transition-theme);
}

.timeline-content h4 {
  font-size: 1.1rem;
  font-family: var(--font-body);
  margin-bottom: var(--space-xs);
}

.timeline-content p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* Quote */
.about-quote {
  padding: var(--space-2xl);
  text-align: center;
}

.about-quote blockquote p {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
  line-height: 2;
}

.about-quote cite {
  font-size: 0.95rem;
  color: var(--color-accent);
  font-style: normal;
}

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

.toast {
  padding: 12px 24px;
  background: rgba(var(--color-bg-rgb), 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--color-text-primary);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  animation: toast-in 0.4s ease forwards;
  pointer-events: all;
  white-space: nowrap;
}

.toast.toast-success {
  border-color: rgba(34, 197, 94, 0.3);
}

.toast.toast-error {
  border-color: rgba(239, 68, 68, 0.3);
}

.toast.toast-out {
  animation: toast-out 0.3s ease forwards;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-10px); }
}

/* ======================== SCROLLBAR ======================== */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(var(--color-bg-rgb), 0.8);
  border-left: 1px solid rgba(255, 255, 255, 0.05);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(var(--color-primary-rgb), 0.5), rgba(var(--color-accent-rgb), 0.5));
  border-radius: 10px;
  border: 2px solid rgba(var(--color-bg-rgb), 0.8);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(var(--color-primary-rgb), 0.8), rgba(var(--color-accent-rgb), 0.8));
}

/* For Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(var(--color-primary-rgb), 0.5) rgba(var(--color-bg-rgb), 0.8);
}

/* ======================== SELECTION ======================== */
::selection {
  background: rgba(var(--color-primary-rgb), 0.3);
  color: var(--color-text-primary);
}