:root {
  --bg-main: #0b0f19;
  --bg-card: rgba(18, 24, 38, 0.7);
  --bg-card-hover: rgba(26, 34, 52, 0.85);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.6);
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.35);
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.3);
  --error: #ef4444;
  --warning: #f59e0b;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Ambient glow blobs */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}
.glow-1 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, #4f46e5, transparent);
  top: -100px;
  left: -100px;
}
.glow-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #06b6d4, transparent);
  top: 30%;
  right: -150px;
}
.glow-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #8b5cf6, transparent);
  bottom: -100px;
  left: 20%;
}

.app-container {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
  padding: max(24px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) max(60px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Glassmorphism card utility */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  transition: var(--transition);
}

/* Header */
.header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 28px;
  flex-wrap: wrap;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.brand h1 {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #fff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.header-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
}

.auth-badge {
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
  font-family: inherit;
}

.auth-badge:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.auth-badge.locked {
  border-color: rgba(245, 158, 11, 0.4);
  color: var(--warning);
}

.auth-badge.unlocked {
  border-color: rgba(16, 185, 129, 0.4);
  color: var(--success);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
}

.live-on .pulse-dot {
  background: var(--success);
  box-shadow: 0 0 10px var(--success-glow);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Now Playing Hero Card */
.now-playing-section {
  padding: 28px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.now-playing-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 20px;
}

.equalizer-bar {
  display: inline-block;
  width: 3px;
  height: 12px;
  background: var(--primary);
  border-radius: 2px;
  animation: equalize 1s infinite alternate ease-in-out;
}
.equalizer-bar:nth-child(2) { animation-delay: 0.2s; height: 16px; }
.equalizer-bar:nth-child(3) { animation-delay: 0.4s; height: 10px; }

@keyframes equalize {
  0% { transform: scaleY(0.4); }
  100% { transform: scaleY(1.2); }
}

.now-playing-content {
  display: flex;
  gap: 28px;
  align-items: center;
}

.album-art-wrapper {
  position: relative;
  width: 140px;
  height: 140px;
  min-width: 140px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  background: rgba(0, 0, 0, 0.3);
}

.album-art {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.album-art-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
}

.track-details {
  flex: 1;
  min-width: 0;
}

.track-title {
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-artist {
  font-size: 1.05rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-album {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Progress bar */
.progress-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.progress-bar-bg {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #8b5cf6);
  border-radius: var(--radius-full);
  transition: width 0.4s linear;
}

.progress-time {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

/* Player & Station Controls */
.player-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  flex-wrap: wrap;
}

.player-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: var(--transition);
}

.player-btn.primary {
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  color: white;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.player-btn.primary:hover:not(:disabled) {
  transform: translateY(-1px);
  filter: brightness(1.1);
}

.player-btn.secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
}

.player-btn.secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.volume-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  padding: 6px 12px;
  border-radius: var(--radius-md);
}

.volume-mute-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 2px;
}

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

.volume-control input[type="range"] {
  width: 75px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* Up Next Badge in Hero Card */
.up-next-container {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  font-size: 0.82rem;
}

.up-next-tag {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--primary);
  background: rgba(99, 102, 241, 0.15);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.up-next-text {
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.up-next-text strong {
  color: var(--success);
}

/* Priority toggle row */
.priority-toggle-row {
  display: flex;
  align-items: center;
  padding: 2px 0;
}

.priority-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.priority-checkbox-label input[type="checkbox"] {
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  gap: 12px;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 4px;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
}

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

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* View Panels */
.view-panel {
  display: none;
  flex-direction: column;
  gap: 18px;
}

.view-panel.active {
  display: flex;
}

/* Search Toolbar */
.search-toolbar {
  display: flex;
  gap: 12px;
  padding: 14px 18px;
}

.search-input-group {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input-group input {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 12px 42px 12px 44px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}

.search-input-group input:focus {
  border-color: var(--border-focus);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.clear-btn {
  position: absolute;
  right: 12px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 4px;
}

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

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 4px;
}

.results-count {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Songs Grid */
.songs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: 16px;
}

.song-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px;
  gap: 12px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(16px);
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.song-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.song-card-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  min-width: 0;
  width: 100%;
}

.song-thumb {
  width: 58px;
  height: 58px;
  min-width: 58px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.song-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
}

.song-card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #f8fafc;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: normal;
  overflow-wrap: anywhere;
}

.song-card-artist {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 5px;
}

.song-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.song-card-actions .action-btn {
  flex: 1;
  padding: 8px 10px;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* Action Buttons */
.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.action-btn.primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.action-btn.primary:hover:not(:disabled) {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.action-btn.secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

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

.action-btn.request-btn {
  padding: 8px 14px;
  font-size: 0.82rem;
  min-width: 82px;
}

.action-btn.large {
  padding: 14px 28px;
  font-size: 1rem;
  width: 100%;
}

.action-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.empty-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
  display: flex;
  align-items: center;
  justify-content: center;
}

.empty-state h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.empty-state p {
  color: var(--text-secondary);
  max-width: 440px;
}

.empty-actions {
  margin-top: 10px;
}

/* Downloader Section */
.downloader-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.card-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 8px;
}

.card-header h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.card-header p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  max-width: 720px;
}

.downloader-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.url-icon {
  position: absolute;
  left: 16px;
  color: var(--text-muted);
}

.input-wrapper input {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 14px 48px 14px 48px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}

.input-wrapper input:focus {
  border-color: var(--border-focus);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.icon-sub-btn {
  position: absolute;
  right: 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  padding: 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.icon-sub-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
}

.supported-services {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.service-pill {
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
}

/* Stepper Progress Box */
.progress-stepper {
  padding: 20px;
  border: 1px solid rgba(99, 102, 241, 0.25);
  background: rgba(15, 23, 42, 0.8);
}

.progress-stepper h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--primary);
}

.step-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.step-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--text-muted);
  display: inline-block;
  flex-shrink: 0;
}

.step-item.active {
  color: var(--text-primary);
  font-weight: 600;
}
.step-item.active .step-indicator {
  border-color: var(--primary);
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
  animation: pulse 1s infinite alternate;
}

.step-item.done {
  color: var(--success);
}
.step-item.done .step-indicator {
  border-color: var(--success);
  background: var(--success);
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Toast System */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1000;
  max-width: 380px;
  width: calc(100% - 48px);
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: rgba(18, 24, 38, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  animation: toastIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

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

.toast-message {
  flex: 1;
  font-size: 0.88rem;
  color: var(--text-primary);
  line-height: 1.4;
}

.toast-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

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

@keyframes toastIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.downloader-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.downloader-actions .action-btn.large {
  flex: 2;
  min-width: 240px;
}

.downloader-actions .action-btn.secondary {
  flex: 1;
  min-width: 160px;
}

/* YouTube Candidates Preview */
.youtube-candidates-box {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.youtube-candidates-box h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.youtube-candidates-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.candidate-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.candidate-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.3);
}

.candidate-thumb {
  width: 68px;
  height: 48px;
  min-width: 68px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: #000;
}

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

.candidate-title {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.candidate-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  gap: 10px;
}

.hidden {
  display: none !important;
}

/* Authentication Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
  animation: modalFadeIn 0.2s ease-out;
}

.modal-card {
  width: 100%;
  max-width: 440px;
  padding: 28px;
  background: rgba(18, 24, 38, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  animation: modalSlideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.modal-header-info {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.modal-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.modal-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.modal-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 4px;
  line-height: 1.4;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.modal-close-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-error {
  font-size: 0.85rem;
  color: #f87171;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 6px;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Responsive Styles */
@media (max-width: 768px) {
  .app-container {
    padding: max(16px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(48px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
    gap: 16px;
  }

  .header-bar {
    padding: 14px 18px;
    gap: 12px;
  }

  .brand h1 {
    font-size: 1.2rem;
  }

  .subtitle {
    font-size: 0.78rem;
  }

  .now-playing-section {
    padding: 20px 16px;
  }

  .now-playing-content {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }

  .album-art-wrapper {
    width: 160px;
    height: 160px;
    min-width: 160px;
    margin: 0 auto;
  }

  .track-details {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .track-title {
    font-size: 1.25rem;
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    text-align: center;
  }

  .track-artist {
    font-size: 0.98rem;
    max-width: 100%;
    text-align: center;
  }

  .track-album {
    margin-bottom: 12px;
    max-width: 100%;
    text-align: center;
  }

  .progress-container {
    width: 100%;
  }

  .player-controls {
    justify-content: center;
    width: 100%;
    gap: 10px;
  }

  .player-btn {
    flex: 1;
    min-width: 130px;
    min-height: 44px;
    justify-content: center;
    font-size: 0.92rem;
  }

  .volume-control {
    width: 100%;
    justify-content: center;
    margin-top: 4px;
  }

  .volume-control input[type="range"] {
    width: 140px;
  }

  .up-next-container {
    width: 100%;
    justify-content: center;
    text-align: left;
  }

  /* Navigation Tabs on mobile */
  .nav-tabs {
    gap: 8px;
  }

  .tab-btn {
    flex: 1 1 0;
    min-width: 0;
    justify-content: center;
    padding: 12px 10px;
    font-size: 0.85rem;
    text-align: center;
  }

  /* Search & Toolbar */
  .search-toolbar {
    padding: 12px;
    gap: 8px;
    flex-wrap: wrap;
  }

  .search-input-group {
    width: 100%;
    flex: 1 1 100%;
  }

  .search-input-group input,
  .input-wrapper input,
  .modal-form input {
    font-size: 16px !important; /* Prevents auto-zoom on iOS Safari */
    padding-top: 13px;
    padding-bottom: 13px;
  }

  .results-header {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .results-header #quick-youtube-btn {
    width: 100%;
    justify-content: center;
  }

  .songs-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .song-card {
    padding: 14px;
  }

  .song-card-actions {
    display: flex;
    gap: 8px;
  }

  .song-card-actions .action-btn {
    min-height: 44px; /* Touch-friendly */
    font-size: 0.86rem;
  }

  .downloader-card {
    padding: 18px 16px;
    gap: 18px;
  }

  .downloader-actions {
    flex-direction: column;
  }

  .downloader-actions .action-btn.large,
  .downloader-actions .action-btn.secondary {
    width: 100%;
    min-height: 46px;
    min-width: 0;
  }

  .candidate-card {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .candidate-card .action-btn {
    width: 100%;
    min-height: 42px;
  }

  .toast-container {
    left: 12px;
    right: 12px;
    bottom: max(16px, env(safe-area-inset-bottom));
    width: auto;
    max-width: none;
  }

  .toast {
    padding: 12px 14px;
    font-size: 0.86rem;
  }
}

@media (max-width: 480px) {
  .header-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-meta {
    width: 100%;
    flex-wrap: wrap;
    gap: 8px;
  }

  .player-controls {
    flex-direction: column;
  }

  .player-btn {
    width: 100%;
  }

  .tab-btn {
    font-size: 0.78rem;
    padding: 10px 4px;
    gap: 4px;
  }

  .tab-btn svg {
    width: 16px;
    height: 16px;
  }
}