/* ========================================================
   Ketan Audio - Modern Music & Audio Streaming Stylesheet
   Dark Glassmorphism Theme - Mobile-First Responsive
   ======================================================== */

:root {
  --primary: #8B5CF6;
  --primary-hover: #7C3AED;
  --primary-glow: rgba(139, 92, 246, 0.4);
  --secondary: #06B6D4;
  --secondary-hover: #0891B2;
  --accent: #EC4899;
  
  --bg-dark: #0B0F19;
  --bg-surface: #111827;
  --bg-card: #1F2937;
  --bg-card-hover: #283548;
  
  --text-main: #F9FAFB;
  --text-muted: #9CA3AF;
  --text-dim: #6B7280;
  
  --border-color: #374151;
  --border-glow: rgba(139, 92, 246, 0.3);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px var(--primary-glow);
  
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Inter', Roboto, sans-serif;
  --player-height: 84px;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: var(--player-height); /* Space for sticky player */
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

ul {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

.container {
  width: 100%;
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ========================================================
   Header & Navbar
   ======================================================== */
.site-header {
  background: rgba(17, 24, 39, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.85rem 0;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.45rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.5px;
}

.brand-logo span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-icon-box {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  box-shadow: 0 4px 12px var(--primary-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-muted);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.08);
}

.header-search {
  flex: 1;
  max-width: 420px;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 0.35rem 1rem;
  transition: var(--transition);
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: var(--bg-surface);
}

.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  color: #FFFFFF;
  padding: 0.35rem 0.5rem;
  font-size: 0.9rem;
}

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

.search-box button {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
}

.search-box button:hover {
  color: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

/* User Menu */
.user-dropdown-wrap {
  position: relative;
}

.user-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.85rem;
}

.user-btn img {
  width: 26px;
  height: 26px;
  border-radius: 50%;
}

.user-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 210px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem 0;
  display: none;
  z-index: 1100;
}

.user-dropdown-wrap:hover .user-dropdown-menu,
.user-dropdown-wrap:focus-within .user-dropdown-menu {
  display: block;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.dropdown-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
}

/* ========================================================
   Buttons
   ======================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.9rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1.3;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #7C3AED 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px var(--primary-glow);
}

.btn-secondary {
  background: var(--secondary);
  color: #FFFFFF;
}

.btn-outline {
  background: transparent;
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(139, 92, 246, 0.1);
}

.btn-sm {
  padding: 0.35rem 0.8rem;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: 1.05rem;
}

/* ========================================================
   Hero Banner
   ======================================================== */
.hero-section {
  padding: 3.5rem 0 2.5rem;
  position: relative;
  overflow: hidden;
}

.hero-banner-card {
  background: radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.25) 0%, rgba(6, 182, 212, 0.15) 40%, rgba(31, 41, 55, 0.8) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  align-items: center;
  gap: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(139, 92, 246, 0.2);
  color: #C4B5FD;
  padding: 0.25rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

.hero-title span {
  background: linear-gradient(135deg, #A78BFA 0%, #38BDF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-featured-player {
  background: rgba(17, 24, 39, 0.75);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.hero-featured-cover {
  width: 180px;
  height: 180px;
  border-radius: var(--radius-md);
  margin: 0 auto 1rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  object-fit: cover;
}

/* ========================================================
   Categories / Genres Ribbon
   ======================================================== */
.genres-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 3rem;
}

.genre-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  transition: var(--transition);
}

.genre-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.3);
}

.genre-icon {
  font-size: 1.8rem;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.genre-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: #FFFFFF;
}

/* ========================================================
   Track Cards & Grid
   ======================================================== */
.section {
  padding: 2rem 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 1rem;
}

.section-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: #FFFFFF;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.2rem;
}

.tracks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
}

.track-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.track-card:hover {
  background: var(--bg-card-hover);
  border-color: #4B5563;
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.track-cover-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 0.85rem;
  background: #111827;
}

.track-cover-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.track-card:hover .track-cover-wrap img {
  transform: scale(1.05);
}

/* Play button overlay */
.track-play-overlay {
  position: absolute;
  bottom: 10px;
  right: 10px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
  opacity: 0;
  transform: translateY(8px);
  transition: var(--transition);
  font-size: 1.1rem;
}

.track-card:hover .track-play-overlay,
.track-card.is-playing .track-play-overlay {
  opacity: 1;
  transform: translateY(0);
}

.track-card.is-playing .track-play-overlay {
  background: var(--secondary);
}

.track-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: #FFFFFF;
  margin-bottom: 0.2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-title a:hover {
  color: var(--primary);
}

.track-artist {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  font-size: 0.75rem;
  color: var(--text-dim);
  padding-top: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Track List View (Table / Rows) */
.track-list-item {
  display: grid;
  grid-template-columns: 40px 60px 1fr 120px 80px 100px;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

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

/* ========================================================
   Persistent Bottom Audio Player
   ======================================================== */
.global-player-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--player-height);
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-color);
  z-index: 2000;
  display: flex;
  align-items: center;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.5);
}

.player-grid {
  display: grid;
  grid-template-columns: 300px 1fr 240px;
  align-items: center;
  gap: 1.5rem;
  width: 100%;
}

/* Now playing left info */
.player-now-playing {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.player-thumb {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: #1F2937;
  flex-shrink: 0;
}

.player-track-info {
  overflow: hidden;
}

.player-track-title {
  font-weight: 700;
  font-size: 0.9rem;
  color: #FFFFFF;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-track-artist {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Audio Visualizer Mini Bars */
.player-visualizer {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
  margin-left: 0.4rem;
}

.v-bar {
  width: 3px;
  height: 4px;
  background: var(--primary);
  border-radius: 1px;
}

.is-playing .v-bar:nth-child(1) { animation: bounce 0.8s infinite ease-in-out; }
.is-playing .v-bar:nth-child(2) { animation: bounce 0.6s infinite ease-in-out 0.2s; }
.is-playing .v-bar:nth-child(3) { animation: bounce 0.9s infinite ease-in-out 0.4s; }

@keyframes bounce {
  0%, 100% { height: 4px; }
  50% { height: 14px; background: var(--secondary); }
}

/* Center Controls & Progress */
.player-center-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.player-buttons {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.player-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.player-btn:hover {
  color: #FFFFFF;
}

.player-btn-main {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #FFFFFF;
  color: #0B0F19;
}

.player-btn-main:hover {
  transform: scale(1.08);
  background: #FFFFFF;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.4);
}

/* Progress bar */
.player-progress-row {
  width: 100%;
  max-width: 580px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.progress-bar-container {
  flex: 1;
  height: 5px;
  background: #374151;
  border-radius: var(--radius-full);
  cursor: pointer;
  position: relative;
}

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

.progress-bar-container:hover .progress-bar-fill {
  background: var(--secondary);
}

/* Volume Right Controls */
.player-right-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

.volume-slider {
  width: 80px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* ========================================================
   Forms, Cards & Alerts
   ======================================================== */
.form-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.form-control {
  width: 100%;
  background: #1F2937;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.9rem;
  color: #FFFFFF;
  font-size: 0.9rem;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  outline: none;
}

.form-control::placeholder {
  color: #9CA3AF;
  opacity: 1;
}

.form-control option,
select.form-control option {
  background-color: #1F2937;
  color: #FFFFFF;
  padding: 0.5rem;
}

/* Chrome autofill in dark mode on main site */
.form-control:-webkit-autofill,
.form-control:-webkit-autofill:hover,
.form-control:-webkit-autofill:focus,
.form-control:-webkit-autofill:active {
  -webkit-text-fill-color: #FFFFFF !important;
  -webkit-box-shadow: 0 0 0 30px #1F2937 inset !important;
  caret-color: #FFFFFF !important;
}

.password-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.password-input-wrap .form-control {
  padding-right: 42px;
}

.password-toggle-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
  line-height: 1;
}

.password-toggle-btn:hover {
  color: #FFFFFF;
}

.password-toggle-btn:focus-visible {
  outline: 2px solid var(--primary);
}

.password-toggle-btn svg {
  display: block;
}

.alert {
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
}

.alert-success { background: rgba(16, 185, 129, 0.15); border: 1px solid #10B981; color: #34D399; }
.alert-danger { background: rgba(239, 68, 68, 0.15); border: 1px solid #EF4444; color: #F87171; }
.alert-info { background: rgba(59, 130, 246, 0.15); border: 1px solid #3B82F6; color: #60A5FA; }

.alert-close {
  background: transparent;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: inherit;
  margin-left: auto;
}

/* ========================================================
   Footer
   ======================================================== */
.site-footer {
  background: #0B0F19;
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* ========================================================
   Responsive Media Queries
   ======================================================== */
@media (max-width: 900px) {
  .hero-banner-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-buttons {
    justify-content: center;
  }
  .player-grid {
    grid-template-columns: 1fr 1fr;
  }
  .player-right-controls {
    display: none;
  }
}

@media (max-width: 640px) {
  .header-search {
    display: none;
  }
  .nav-links {
    display: none;
  }
  .player-now-playing {
    max-width: 140px;
  }
  .player-track-artist {
    display: none;
  }
  .hero-title {
    font-size: 1.8rem;
  }
}