/* ==========================================================================
   ALEXIS RADIO — CYBER-TECH HI-FI TUNER STYLESHEET
   ========================================================================== */

:root {
  --bg-primary: #030712;
  --bg-secondary: #070d1a;
  --bg-card: rgba(11, 19, 38, 0.72);
  --bg-card-hover: rgba(18, 30, 58, 0.85);
  --bg-input: rgba(5, 10, 22, 0.8);
  --border-color: rgba(56, 189, 248, 0.16);
  --border-hover: rgba(0, 240, 255, 0.5);
  --border-active: rgba(16, 185, 129, 0.6);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-cyan: #00f0ff;
  --accent-cyan-light: #7dd3fc;
  --accent-cyan-glow: rgba(0, 240, 255, 0.35);
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.35);
  --accent-violet: #8b5cf6;
  --accent-violet-glow: rgba(139, 92, 246, 0.35);
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

  /* Dark Theme Mobile Element Tokens */
  --header-bg-mobile: rgba(11, 19, 43, 0.98);
  --card-bg-mobile: rgba(13, 22, 44, 0.95);
  --bar-bg-mobile: rgba(5, 10, 24, 0.98);
  --card-border-mobile: rgba(56, 189, 248, 0.22);
  --card-shadow-mobile: 0 4px 14px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --bg-input: #ffffff;
  --border-color: #e2e8f0;
  --border-hover: #0284c7;
  --border-active: #0284c7;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --accent-cyan: #0284c7;
  --accent-cyan-light: #0ea5e9;
  --accent-cyan-glow: rgba(2, 132, 199, 0.18);
  --accent-violet: #7c3aed;
  --accent-amber: #d97706;
  --accent-emerald: #059669;
  --accent-red: #dc2626;

  /* Light Theme Mobile & Elevated Tokens */
  --header-bg-mobile: #ffffff;
  --card-bg-mobile: #ffffff;
  --bar-bg-mobile: rgba(255, 255, 255, 0.97);
  --card-border-mobile: #e2e8f0;
  --card-shadow-mobile: 0 2px 8px -2px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.04);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  scrollbar-gutter: stable;
}

/* Ambient glow backgrounds (Ultra-optimized GPU gradients, zero filter overhead) */
.ambient-glow {
  position: fixed;
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  opacity: 0.35;
  transform: translateZ(0);
  will-change: opacity;
}
.glow-cyan {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.22) 0%, rgba(0, 240, 255, 0.08) 38%, transparent 70%);
  top: -150px;
  left: 10%;
}
.glow-violet {
  width: 580px;
  height: 580px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.22) 0%, rgba(139, 92, 246, 0.08) 38%, transparent 70%);
  bottom: -100px;
  right: 5%;
}

.hud-grid-pattern {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(rgba(56, 189, 248, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.02) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 1;
}

/* Layout Container */
.app-container {
  position: relative;
  z-index: 2;
  max-width: 1240px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 7.5rem;
}

/* App Header */
.radio-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: 1.75rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: inherit;
}

.brand-icon-box {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(139, 92, 246, 0.2));
  border: 1px solid var(--border-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.brand-title-wrap {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.brand-title span {
  background: linear-gradient(135deg, var(--accent-cyan), #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  font-family: var(--font-main);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(16, 185, 129, 0.2));
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.35), rgba(16, 185, 129, 0.35));
  border-color: var(--accent-cyan);
  color: #ffffff;
}

.btn-install {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.16), rgba(139, 92, 246, 0.22));
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 12px var(--accent-cyan-glow);
  display: inline-flex;
  align-items: center;
}

.btn-install:hover {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.28), rgba(139, 92, 246, 0.38));
  border-color: #ffffff;
  color: #ffffff;
  box-shadow: 0 0 20px var(--accent-cyan-glow);
}

.btn-icon {
  width: 2.35rem;
  height: 2.35rem;
  padding: 0;
  justify-content: center;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   TUNER & AUDIO VISUALIZER MASTER DECK
   ========================================================================== */
.tuner-deck {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  margin-bottom: 2rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), inset 0 0 30px rgba(0, 240, 255, 0.03);
  position: relative;
  overflow: hidden;
}

[data-theme="light"] .tuner-deck {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.06);
}

.tuner-deck::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), var(--accent-violet), transparent);
}

/* Unified Panoramic Stage */
.tuner-stage-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.tuner-top-telemetry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.stream-telemetry-cluster {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.telemetry-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

[data-theme="light"] .telemetry-pill {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.1);
}

.telemetry-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.telemetry-val {
  font-weight: 700;
  color: var(--text-primary);
}

.telemetry-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.dot-cyan { background-color: var(--accent-cyan); box-shadow: 0 0 6px var(--accent-cyan); }
.dot-emerald { background-color: var(--accent-emerald); box-shadow: 0 0 6px var(--accent-emerald); }
.dot-violet { background-color: var(--accent-violet); box-shadow: 0 0 6px var(--accent-violet); }
.dot-amber { background-color: var(--accent-amber); box-shadow: 0 0 6px var(--accent-amber); }

.highlight-cyan {
  color: var(--accent-cyan) !important;
  font-weight: 700;
}

.highlight-bitrate {
  background: rgba(0, 240, 255, 0.12) !important;
  border-color: rgba(0, 240, 255, 0.35) !important;
  color: var(--accent-cyan) !important;
  font-weight: 700;
}

/* Stream Extension Badges (MP3, AAC, HLS, OGG) */
.format-badge, .stream-ext-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.15rem 0.48rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 1.2;
}

.badge-mp3 {
  background: rgba(16, 185, 129, 0.16) !important;
  border: 1px solid rgba(16, 185, 129, 0.45) !important;
  color: var(--accent-emerald) !important;
}

.badge-aac {
  background: rgba(168, 85, 247, 0.16) !important;
  border: 1px solid rgba(168, 85, 247, 0.45) !important;
  color: var(--accent-violet) !important;
}

.badge-hls, .badge-m3u8 {
  background: rgba(0, 240, 255, 0.16) !important;
  border: 1px solid rgba(0, 240, 255, 0.45) !important;
  color: var(--accent-cyan) !important;
}

.badge-ogg {
  background: rgba(245, 158, 11, 0.16) !important;
  border: 1px solid rgba(245, 158, 11, 0.45) !important;
  color: var(--accent-amber) !important;
}

.now-playing-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: var(--accent-emerald);
  width: fit-content;
}

.pulse-led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse-glow 1.5s infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.station-meta-display {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.active-station-logo {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: var(--radius-md);
  object-fit: cover;
  background: #02050e;
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  flex-shrink: 0;
}

.active-station-details {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.active-station-freq {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  font-weight: 600;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.active-station-name {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0.1rem 0 0.25rem;
}

.active-station-genre-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.active-station-genre-tag span {
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Audio Visualizer Canvas */
.visualizer-container {
  width: 100%;
  height: 85px;
  background: rgba(2, 5, 14, 0.65);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8);
}

#visualizer-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.visualizer-hud-overlay {
  position: absolute;
  top: 6px;
  left: 10px;
  right: 10px;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--accent-cyan);
  opacity: 0.7;
  pointer-events: none;
}

/* ==========================================================================
   MODERN FIXED BOTTOM PLAYER BAR (Barra Inferior Estilizada)
   ========================================================================== */
.bottom-player-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(3, 7, 18, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.65);
  padding: 0.65rem 1.75rem;
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  contain: layout style;
}

[data-theme="light"] .bottom-player-bar {
  background: rgba(255, 255, 255, 0.94);
  border-top-color: rgba(0, 0, 0, 0.1);
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.08);
}

.bottom-bar-container {
  max-width: 1350px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

/* Left: Active Station Meta & Extension / Bitrate Badges */
.bottom-bar-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 250px;
  max-width: 380px;
  flex: 1 1 auto;
}

.bottom-bar-logo {
  width: 3.15rem;
  height: 3.15rem;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: #02050e;
  border: 1px solid var(--border-color);
  flex-shrink: 0;
  transition: opacity 0.25s ease;
}

.bottom-bar-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 0.2rem;
}

.bottom-bar-title-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
  overflow: hidden;
}

.bottom-bar-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
}

.bottom-bar-status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.12rem 0.45rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: var(--accent-emerald);
  flex-shrink: 0;
  line-height: 1.2;
  transition: all var(--transition-fast);
}

.bottom-bar-status.status-error {
  background: rgba(239, 68, 68, 0.16) !important;
  border-color: rgba(239, 68, 68, 0.5) !important;
  color: #ef4444 !important;
}

.bottom-bar-status.status-buffering {
  background: rgba(245, 158, 11, 0.14) !important;
  border-color: rgba(245, 158, 11, 0.45) !important;
  color: var(--accent-amber) !important;
}

.bottom-bar-status.status-playing {
  background: rgba(16, 185, 129, 0.12) !important;
  border-color: rgba(16, 185, 129, 0.35) !important;
  color: var(--accent-emerald) !important;
}

.bottom-bar-status.status-paused,
.bottom-bar-status.status-ready {
  background: rgba(255, 255, 255, 0.06) !important;
  border-color: var(--border-color) !important;
  color: var(--text-muted) !important;
}

.bottom-bar-sub-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.bottom-bar-freq {
  color: var(--accent-cyan);
  font-weight: 600;
}

.telemetry-dot-divider {
  opacity: 0.35;
}

.bottom-bar-telemetry {
  font-size: 0.68rem;
  color: var(--text-secondary);
}

/* Center: Transport Controls */
.bottom-bar-center {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

/* Right: Volume, Mini Visualizer & Tools */
.bottom-bar-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.15rem;
  min-width: 250px;
  flex: 1 1 auto;
}

/* Mini Visualizer Canvas (Compact Spectrum) */
.mini-visualizer-container {
  width: 140px;
  height: 34px;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
}

[data-theme="light"] .mini-visualizer-container {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.03);
}

#visualizer-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.bottom-tools-group {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}
.playback-controls-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
}

.play-main-btn {
  width: 4.25rem;
  height: 4.25rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), #3b82f6);
  border: none;
  color: #030712;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 0 25px var(--accent-cyan-glow), 0 10px 20px rgba(0, 0, 0, 0.4);
}

.play-main-btn:hover {
  transform: scale(1.06);
  box-shadow: 0 0 35px var(--accent-cyan-glow), 0 15px 25px rgba(0, 0, 0, 0.5);
  color: #000000;
}

.play-main-btn:active {
  transform: scale(0.96);
}

.play-nav-btn {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.play-nav-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--border-hover);
  color: var(--text-primary);
  transform: translateY(-1px);
}

/* Volume Slider & Extras */
.tuner-aux-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.volume-wrapper {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex: 0 1 125px;
  min-width: 85px;
}

.mute-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 4px;
  transition: color var(--transition-fast);
}

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

.volume-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.15);
  outline: none;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

[data-theme="light"] .volume-slider {
  background: #cbd5e1;
  border: 1px solid #94a3b8;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.08);
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  box-shadow: 0 0 10px var(--accent-cyan-glow);
  transition: transform var(--transition-fast);
  border: 2px solid #ffffff;
}

[data-theme="dark"] .volume-slider::-webkit-slider-thumb {
  border: 2px solid #030712;
}

.volume-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Firefox Track & Thumb Support */
.volume-slider::-moz-range-track {
  height: 6px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

[data-theme="light"] .volume-slider::-moz-range-track {
  background: #cbd5e1;
  border: 1px solid #94a3b8;
}

.volume-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  border: 2px solid #ffffff;
  box-shadow: 0 0 10px var(--accent-cyan-glow);
}

.tuner-options-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sleep-btn, .proxy-toggle-btn, .fullscreen-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  padding: 0.35rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

.sleep-btn:hover, .proxy-toggle-btn:hover, .fullscreen-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.fullscreen-btn:active {
  transform: scale(0.96);
}

.bottom-bar-left {
  cursor: pointer;
  user-select: none;
  transition: opacity var(--transition-fast);
}

.bottom-bar-left:hover .bottom-bar-name {
  color: var(--accent-cyan);
}

.bottom-bar-expand-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-left: auto;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.bottom-bar-expand-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--accent-cyan);
  border-color: var(--border-hover);
  transform: scale(1.08);
}

.sleep-btn.active {
  color: var(--accent-amber);
  border-color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.12);
}

.proxy-toggle-btn.active {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.12);
}

/* ==========================================================================
   FILTER BAR & CATEGORY PILLS
   ========================================================================== */
.controls-bar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.search-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.search-box-wrap {
  position: relative;
  flex: 1;
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.search-actions-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Sort Selector */
.sort-control-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.sort-icon {
  position: absolute;
  left: 0.65rem;
  color: var(--accent-cyan);
  pointer-events: none;
  width: 14px;
  height: 14px;
}

.sort-select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.42rem 1.85rem 0.42rem 2rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.65rem center;
}

.sort-select:hover {
  border-color: var(--border-hover);
  background-color: var(--bg-card-hover);
}

.sort-select:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan-glow);
}

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

[data-theme="light"] .sort-select {
  background-color: #ffffff;
  border-color: rgba(0, 0, 0, 0.15);
  color: #0f172a;
}

[data-theme="light"] .sort-select option {
  background: #ffffff;
  color: #0f172a;
}

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

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--border-hover);
  color: var(--text-primary);
}

[data-theme="light"] .btn-secondary {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.12);
  color: var(--text-primary);
}

.btn-sm {
  padding: 0.42rem 0.75rem;
  font-size: 0.78rem;
  border-radius: var(--radius-sm);
  gap: 0.4rem;
}

.category-pills-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.35rem;
  scrollbar-width: none;
}
.category-pills-row::-webkit-scrollbar {
  display: none;
}

.cat-pill {
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.cat-pill:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.08);
}

.cat-pill.active {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan-glow);
}

.station-count-info {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: auto;
  white-space: nowrap;
}

/* ==========================================================================
   STATIONS GRID & CARDS
   ========================================================================== */
.stations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.station-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.15rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  cursor: pointer;
  contain: content;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.station-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.station-card.playing {
  border-color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.06);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.15);
}

.station-card-logo-wrap {
  position: relative;
  width: 3.5rem;
  height: 3.5rem;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #0b1329;
}

.station-card-img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: #0b1329;
  border: 1px solid var(--border-color);
  display: block;
}

.playing-badge-indicator {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-sm);
  background: rgba(3, 7, 18, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

.station-card.playing .playing-badge-indicator {
  display: flex;
}

/* Mini equalizer animation (GPU transform-accelerated to prevent layout reflows) */
.mini-eq {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 16px;
}
.mini-eq span {
  width: 3px;
  height: 14px;
  background: var(--accent-cyan);
  border-radius: 1px;
  transform-origin: bottom;
  animation: mini-eq-anim 0.8s ease-in-out infinite alternate;
  will-change: transform;
}
.mini-eq span:nth-child(1) { transform: scaleY(0.6); animation-delay: 0.1s; }
.mini-eq span:nth-child(2) { transform: scaleY(1.0); animation-delay: 0.3s; }
.mini-eq span:nth-child(3) { transform: scaleY(0.4); animation-delay: 0.2s; }
.mini-eq span:nth-child(4) { transform: scaleY(0.8); animation-delay: 0.4s; }

@keyframes mini-eq-anim {
  0% { transform: scaleY(0.2); }
  100% { transform: scaleY(1); }
}

.station-card-content {
  flex: 1;
  min-width: 0;
  padding-right: 5rem;
}

.station-card-name {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0.35rem;
}

.station-card-meta {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  flex-wrap: nowrap;
  overflow: hidden;
}

.badge-tag {
  padding: 0.12rem 0.45rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.station-card-actions {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.2rem;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.station-card:hover .station-card-actions {
  opacity: 1;
}

.card-action-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  width: 1.8rem;
  height: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.star-btn.starred {
  color: var(--accent-amber);
}

.empty-state {
  grid-column: 1 / -1;
  padding: 4rem 1.5rem;
  text-align: center;
  background: var(--bg-card);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   MODAL WINDOWS
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(12px);
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-backdrop.open {
  display: flex;
}

.modal-dialog {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  animation: modal-enter 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modal-enter {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  display: flex;
  border-radius: 4px;
  transition: color var(--transition-fast);
}

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

.modal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.88rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent-cyan);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.2);
}

/* Tabs inside Modal */
.modal-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn.active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--accent-cyan);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 5.5rem;
  right: 2rem;
  z-index: 1000;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-end;
  max-width: calc(100vw - 3rem);
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  animation: toast-in 0.25s ease-out;
}

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

/* ==========================================================================
   FULLSCREEN PLAYER OVERLAY (Modo Pantalla Completa / Now Playing)
   ========================================================================== */
.fullscreen-player-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: #030712;
  contain: strict;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.22s cubic-bezier(0.16, 1, 0.3, 1), transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  transform: translateY(16px);
  will-change: opacity, transform;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  overscroll-behavior: contain;
}

.fullscreen-player-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.fs-backdrop-blur {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.fs-ambient-glow {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, var(--accent-cyan-glow) 0%, rgba(139, 92, 246, 0.15) 35%, transparent 68%);
  pointer-events: none;
  z-index: 0;
  opacity: 0.85;
  transition: background 0.6s ease;
}

.fs-player-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 840px;
  min-height: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem 2rem calc(1.5rem + env(safe-area-inset-bottom, 0px));
  box-sizing: border-box;
}

/* Header */
.fs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.75rem;
}

.fs-icon-btn {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.fs-icon-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  color: var(--text-primary);
  border-color: var(--border-hover);
  transform: scale(1.06);
}

.fs-icon-btn:active {
  transform: scale(0.94);
}

.fs-star-btn.starred {
  color: var(--accent-amber) !important;
  border-color: var(--accent-amber) !important;
  background: rgba(245, 158, 11, 0.16) !important;
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.3);
}

.fs-header-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  text-align: center;
}

.fs-header-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: var(--accent-emerald);
  transition: all var(--transition-fast);
}

.fs-header-subtitle {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
}

.fs-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Stage */
.fs-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.35rem;
  flex: 1 1 auto;
  padding: 1rem 0;
  text-align: center;
}

.fs-artwork-wrapper {
  position: relative;
  width: clamp(200px, 32vh, 310px);
  height: clamp(200px, 32vh, 310px);
  margin: 0 auto;
}

.fs-artwork-glow {
  position: absolute;
  inset: -10px;
  border-radius: 28px;
  background: radial-gradient(circle, var(--accent-cyan-glow) 0%, transparent 70%);
  box-shadow: 0 0 35px var(--accent-cyan-glow);
  opacity: 0.8;
  z-index: 0;
  pointer-events: none;
}

.fs-station-logo {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  border-radius: 22px;
  object-fit: cover;
  background: #02050e;
  border: 2px solid var(--border-color);
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.6);
  transition: opacity 0.25s ease, border-radius 0.3s ease;
}

.fs-info-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  max-width: 600px;
  width: 100%;
}

.fs-badges-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.fs-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
}

.fs-badge-genre {
  background: rgba(139, 92, 246, 0.14);
  border: 1px solid rgba(139, 92, 246, 0.4);
  color: #c084fc;
}

.fs-badge-freq {
  background: rgba(0, 240, 255, 0.12);
  border: 1px solid rgba(0, 240, 255, 0.35);
  color: var(--accent-cyan);
}

.fs-station-name {
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-top: 0.2rem;
  word-break: break-word;
}

/* Real-Time Now Playing (Apple Music Track & Artist) */
.fs-song-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  margin: 0.25rem 0 0.5rem;
  padding: 0.65rem 1.25rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  max-width: 92%;
  animation: modal-enter 0.25s ease-out;
  contain: content;
}

.fs-song-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-cyan);
  text-transform: uppercase;
}

.fs-song-eq-bars {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 10px;
}

.fs-song-eq-bars span {
  width: 2.5px;
  background: var(--accent-cyan);
  border-radius: 1px;
  animation: song-eq-pulse 0.8s ease-in-out infinite alternate;
}

.fs-song-eq-bars span:nth-child(1) { height: 4px; animation-delay: 0s; }
.fs-song-eq-bars span:nth-child(2) { height: 9px; animation-delay: 0.2s; }
.fs-song-eq-bars span:nth-child(3) { height: 6px; animation-delay: 0.4s; }

@keyframes song-eq-pulse {
  0% { height: 3px; }
  100% { height: 10px; }
}

.fs-song-title {
  font-size: clamp(1.15rem, 3.2vw, 1.7rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.25;
  letter-spacing: -0.01em;
  text-align: center;
}

.fs-song-artist {
  font-size: clamp(0.82rem, 1.8vw, 1.05rem);
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
}

.fs-apple-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: #ff2d55;
  background: rgba(255, 45, 85, 0.12);
  border: 1px solid rgba(255, 45, 85, 0.35);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  margin-top: 0.2rem;
  transition: transform 0.15s ease, background 0.15s ease;
}

.fs-apple-link:hover {
  background: rgba(255, 45, 85, 0.25);
  border-color: #ff2d55;
  transform: scale(1.05);
}

[data-theme="light"] .fs-song-card {
  background: rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .fs-song-title {
  color: #0f172a;
}

.fs-telemetry-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.fs-telemetry-item {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--text-secondary);
}

.fs-telemetry-divider {
  opacity: 0.35;
}

.fs-telemetry-proxy {
  color: var(--accent-cyan);
  font-weight: 700;
}

/* Footer Controls */
.fs-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  padding-top: 0.5rem;
}

.fs-tools-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
}

.fs-tools-row .sleep-btn,
.fs-tools-row .proxy-toggle-btn {
  height: 2.25rem;
  padding: 0 1rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-full);
}

.fs-playback-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
}

.fs-nav-btn {
  width: 3.4rem;
  height: 3.4rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.fs-nav-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--border-hover);
  transform: scale(1.08);
}

.fs-nav-btn:active {
  transform: scale(0.95);
}

.fs-play-btn {
  width: 4.8rem;
  height: 4.8rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), #3b82f6);
  border: none;
  color: #030712;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 0 35px var(--accent-cyan-glow), 0 10px 25px rgba(0, 0, 0, 0.5);
}

.fs-play-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 0 45px var(--accent-cyan-glow), 0 15px 30px rgba(0, 0, 0, 0.6);
}

.fs-play-btn:active {
  transform: scale(0.96);
}

.fs-volume-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  width: 100%;
  max-width: 380px;
}

.fs-mute-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  transition: color var(--transition-fast);
}

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

.fs-volume-slider {
  flex: 1;
  height: 6px;
}

/* ==========================================================================
   COMPREHENSIVE LIGHT THEME SUITE
   ========================================================================== */
[data-theme="light"] {
  color-scheme: light;
}

/* Header & Brand */
[data-theme="light"] .radio-header {
  background: #ffffff;
  border-color: #e2e8f0;
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
}
[data-theme="light"] .brand-title {
  color: #0f172a;
}
[data-theme="light"] .brand-icon-box {
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.12), rgba(124, 58, 237, 0.12));
  border-color: #bae6fd;
  color: #0284c7;
  box-shadow: 0 0 15px rgba(2, 132, 199, 0.15);
}
[data-theme="light"] .brand-subtitle {
  color: #64748b;
}
[data-theme="light"] .header-actions .btn {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  color: #334155;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}
[data-theme="light"] .header-actions .btn:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
  color: #0f172a;
}
[data-theme="light"] .btn-primary {
  background: linear-gradient(135deg, #0ea5e9, #0284c7) !important;
  color: #ffffff !important;
  border: none !important;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3) !important;
}
[data-theme="light"] .btn-install {
  background: linear-gradient(135deg, #0284c7, #7c3aed) !important;
  color: #ffffff !important;
  border: none !important;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.25) !important;
}

/* Master Tuner Deck (Desktop) */
[data-theme="light"] .master-tuner-card,
[data-theme="light"] .tuner-deck {
  background: #ffffff !important;
  border-color: #e2e8f0 !important;
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.06) !important;
}
[data-theme="light"] .active-station-title {
  color: #0f172a !important;
}
[data-theme="light"] .telemetry-pill {
  background: #f8fafc !important;
  border-color: #e2e8f0 !important;
}
[data-theme="light"] .telemetry-label {
  color: #64748b !important;
}
[data-theme="light"] .telemetry-val {
  color: #0f172a !important;
}
[data-theme="light"] .station-dial-display {
  background: #f8fafc !important;
  border-color: #e2e8f0 !important;
}
[data-theme="light"] .dial-track {
  background: #e2e8f0 !important;
}

/* Search and Controls */
[data-theme="light"] .search-input {
  background: #ffffff;
  border-color: #cbd5e1;
  color: #0f172a;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}
[data-theme="light"] .search-input::placeholder {
  color: #94a3b8;
}
[data-theme="light"] .search-icon {
  color: #64748b;
}
[data-theme="light"] .sort-select {
  background-color: #ffffff;
  border-color: #cbd5e1;
  color: #334155;
}
[data-theme="light"] .sort-select option {
  background: #ffffff;
  color: #0f172a;
}
[data-theme="light"] #reset-defaults-btn {
  background: #ffffff;
  border-color: #cbd5e1;
  color: #475569;
}
[data-theme="light"] #reset-defaults-btn:hover {
  background: #f1f5f9;
  color: #0f172a;
}
[data-theme="light"] .station-count-info {
  color: #64748b;
}
[data-theme="light"] .cat-pill {
  background: #ffffff;
  border-color: #e2e8f0;
  color: #475569;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}
[data-theme="light"] .cat-pill:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
  color: #0f172a;
}
[data-theme="light"] .cat-pill.active {
  background: #0284c7;
  border-color: #0284c7;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.25);
}

/* Station Cards */
[data-theme="light"] .station-card {
  background: #ffffff !important;
  border: 1px solid #e2e8f0 !important;
  box-shadow: 0 2px 8px -2px rgba(15, 23, 42, 0.05), 0 1px 3px rgba(15, 23, 42, 0.03) !important;
}
[data-theme="light"] .station-card:hover {
  background: #f8fafc !important;
  border-color: #cbd5e1 !important;
}
[data-theme="light"] .station-card.playing {
  background: #f0f9ff !important;
  border-color: #0284c7 !important;
  box-shadow: 0 0 0 1.5px #0284c7, 0 4px 16px rgba(2, 132, 199, 0.15) !important;
}
[data-theme="light"] .station-card-name {
  color: #0f172a !important;
}
[data-theme="light"] .station-card-logo-wrap,
[data-theme="light"] .station-card-img {
  background: #f1f5f9 !important;
  border-color: #e2e8f0 !important;
}
[data-theme="light"] .card-action-btn {
  color: #64748b;
}
[data-theme="light"] .card-action-btn:hover {
  background: #f1f5f9;
  color: #0f172a;
}
[data-theme="light"] .star-btn.starred {
  color: #d97706;
}
[data-theme="light"] .badge-tag {
  background: #f1f5f9;
  border-color: #e2e8f0;
  color: #475569;
}
[data-theme="light"] .badge-mp3,
[data-theme="light"] .format-mp3 {
  background: #ecfdf5 !important;
  color: #047857 !important;
  border-color: #a7f3d0 !important;
}
[data-theme="light"] .badge-aac,
[data-theme="light"] .format-aac {
  background: #f5f3ff !important;
  color: #6d28d9 !important;
  border-color: #ddd6fe !important;
}
[data-theme="light"] .badge-hls,
[data-theme="light"] .format-hls {
  background: #eff6ff !important;
  color: #1d4ed8 !important;
  border-color: #bfdbfe !important;
}
[data-theme="light"] .highlight-bitrate {
  background: #e0f2fe !important;
  color: #0369a1 !important;
  border-color: #bae6fd !important;
}

/* Bottom Player Bar */
[data-theme="light"] .bottom-player-bar {
  background: rgba(255, 255, 255, 0.97) !important;
  border-top: 1px solid #e2e8f0 !important;
  box-shadow: 0 -4px 25px rgba(15, 23, 42, 0.08) !important;
}
[data-theme="light"] .bottom-bar-name {
  color: #0f172a !important;
}
[data-theme="light"] .bottom-bar-sub-row {
  color: #64748b !important;
}
[data-theme="light"] .bottom-bar-freq {
  color: #64748b !important;
}
[data-theme="light"] .bottom-bar-telemetry {
  color: #0284c7 !important;
  font-weight: 600;
}
[data-theme="light"] #sleep-timer-btn,
[data-theme="light"] #proxy-toggle-btn {
  background: #f1f5f9 !important;
  border: 1px solid #e2e8f0 !important;
  color: #475569 !important;
}
[data-theme="light"] #sleep-timer-btn:hover,
[data-theme="light"] #proxy-toggle-btn:hover {
  background: #e2e8f0 !important;
  color: #0f172a !important;
}
[data-theme="light"] .play-nav-btn {
  background: #f1f5f9 !important;
  border: 1px solid #e2e8f0 !important;
  color: #334155 !important;
}
[data-theme="light"] .play-nav-btn:hover {
  background: #e2e8f0 !important;
  color: #0f172a !important;
}
[data-theme="light"] .play-main-btn {
  background: linear-gradient(135deg, #0ea5e9, #0284c7) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35) !important;
}
[data-theme="light"] .mute-btn {
  color: #475569 !important;
}
[data-theme="light"] .mute-btn:hover {
  color: #0f172a !important;
}
[data-theme="light"] .volume-slider {
  background: #e2e8f0;
}
[data-theme="light"] .mini-visualizer-container {
  background: #f8fafc;
  border-color: #e2e8f0;
}

/* Ambient Glow & HUD in Light Mode */
[data-theme="light"] .ambient-glow {
  opacity: 0.2 !important;
}
[data-theme="light"] .glow-cyan {
  background: radial-gradient(circle, rgba(14, 165, 233, 0.16) 0%, rgba(14, 165, 233, 0.02) 50%, transparent 70%) !important;
}
[data-theme="light"] .glow-violet {
  background: radial-gradient(circle, rgba(168, 85, 247, 0.14) 0%, rgba(168, 85, 247, 0.02) 50%, transparent 70%) !important;
}
[data-theme="light"] .hud-grid-pattern {
  background-image: linear-gradient(rgba(148, 163, 184, 0.1) 1px, transparent 1px), linear-gradient(90deg, rgba(148, 163, 184, 0.1) 1px, transparent 1px) !important;
}

/* Modals & Toasts */
[data-theme="light"] .modal-card {
  background: #ffffff !important;
  border-color: #e2e8f0 !important;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15) !important;
}
[data-theme="light"] .modal-header h3 {
  color: #0f172a !important;
}
[data-theme="light"] .modal-close-btn {
  color: #64748b !important;
}
[data-theme="light"] .modal-close-btn:hover {
  background: #f1f5f9 !important;
  color: #0f172a !important;
}
[data-theme="light"] .input-label {
  color: #334155 !important;
}
[data-theme="light"] .input-control {
  background: #ffffff !important;
  border-color: #cbd5e1 !important;
  color: #0f172a !important;
}
[data-theme="light"] .modal-footer {
  background: #f8fafc !important;
  border-top-color: #e2e8f0 !important;
}
[data-theme="light"] .modal-cancel-btn {
  background: #ffffff !important;
  border-color: #cbd5e1 !important;
  color: #475569 !important;
}
[data-theme="light"] .toast {
  background: #ffffff;
  border-color: #0284c7;
  color: #0f172a;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.15);
}

/* Fullscreen Player Light Theme */
[data-theme="light"] .fullscreen-player-overlay {
  background: #f8fafc;
}

[data-theme="light"] .fs-ambient-glow {
  opacity: 0.45;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.22) 0%, rgba(124, 58, 237, 0.08) 45%, transparent 70%);
}

[data-theme="light"] .fs-icon-btn {
  background: #ffffff;
  border-color: #e2e8f0;
  color: #475569;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

[data-theme="light"] .fs-icon-btn:hover {
  background: #f1f5f9;
  color: #0f172a;
}

[data-theme="light"] .fs-station-logo {
  background: #ffffff;
  border-color: #e2e8f0;
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.15);
}

[data-theme="light"] .fs-badge-genre {
  background: rgba(124, 58, 237, 0.1);
  border-color: rgba(124, 58, 237, 0.3);
  color: #7c3aed;
}

[data-theme="light"] .fs-badge-freq {
  background: rgba(2, 132, 199, 0.1);
  border-color: rgba(2, 132, 199, 0.3);
  color: #0284c7;
}

[data-theme="light"] .fs-nav-btn {
  background: #ffffff;
  border-color: #e2e8f0;
  color: #1e293b;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.06);
}

[data-theme="light"] .fs-nav-btn:hover {
  background: #f1f5f9;
}

[data-theme="light"] .fullscreen-btn,
[data-theme="light"] .bottom-bar-expand-btn {
  background: #ffffff;
  border-color: #e2e8f0;
  color: #475569;
}

[data-theme="light"] .fullscreen-btn:hover,
[data-theme="light"] .bottom-bar-expand-btn:hover {
  background: #f1f5f9;
  color: #0f172a;
}

/* Responsive Media Queries */
@media (max-width: 900px) {
  .stations-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
  .bottom-bar-container {
    gap: 0.85rem;
  }
  .bottom-bar-left {
    min-width: 0;
    max-width: 280px;
  }
  .bottom-bar-right {
    min-width: 0;
    gap: 0.75rem;
  }
  .volume-wrapper {
    max-width: 100px;
  }
  .mini-visualizer-container {
    width: 100px;
  }
}

@media (max-width: 680px) {
  /* Disable expensive GPU blurs and mask compositing on mobile to prevent flickering */
  .ambient-glow {
    filter: none !important;
    opacity: 0.28 !important;
    transform: none !important;
  }
  .glow-cyan {
    background: radial-gradient(circle, rgba(0, 240, 255, 0.22) 0%, rgba(0, 240, 255, 0.05) 45%, transparent 70%) !important;
  }
  .glow-violet {
    background: radial-gradient(circle, rgba(139, 92, 246, 0.22) 0%, rgba(139, 92, 246, 0.05) 45%, transparent 70%) !important;
  }
  .hud-grid-pattern {
    mask-image: none !important;
    -webkit-mask-image: none !important;
    opacity: 0.25 !important;
  }

  .app-container {
    padding: 0.75rem 0.75rem calc(125px + 1rem + env(safe-area-inset-bottom, 12px));
  }

  .radio-header {
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--header-bg-mobile);
    border: 1px solid var(--border-color);
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
    gap: 0.25rem;
  }

  .header-actions .btn {
    padding: 0.45rem 0.55rem;
  }

  .header-actions .btn span {
    display: none;
  }

  .controls-bar {
    gap: 0.75rem;
    margin-bottom: 1.15rem;
  }

  .search-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .search-input {
    padding: 0.65rem 0.85rem 0.65rem 2.4rem;
    font-size: 0.84rem;
  }

  .search-actions-wrap {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    flex-wrap: nowrap;
  }

  .sort-control-wrap {
    flex: 1 1 auto;
    min-width: 0;
  }

  .sort-select {
    width: 100%;
    font-size: 0.75rem;
    padding: 0.42rem 1.6rem 0.42rem 1.85rem;
  }

  #reset-defaults-btn {
    flex-shrink: 0;
    padding: 0.42rem 0.65rem;
    font-size: 0.75rem;
  }

  .station-count-info {
    display: none;
  }

  .category-pills-row {
    gap: 0.4rem;
    padding-bottom: 0.25rem;
  }

  .cat-pill {
    padding: 0.32rem 0.7rem;
    font-size: 0.72rem;
  }

  /* Compact & Ergonomic Station Cards on Mobile */
  .stations-grid {
    grid-template-columns: 1fr;
    gap: 0.65rem;
    margin-bottom: 0;
  }

  .station-card {
    position: relative;
    background: var(--card-bg-mobile) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: 1px solid var(--card-border-mobile) !important;
    box-shadow: var(--card-shadow-mobile) !important;
    padding: 0.75rem 0.85rem;
    gap: 0.75rem;
    border-radius: var(--radius-sm);
    transition: none !important;
    -webkit-tap-highlight-color: transparent;
  }

  .station-card:hover {
    transform: none !important;
    box-shadow: var(--card-shadow-mobile) !important;
    background: var(--card-bg-mobile) !important;
    border-color: var(--card-border-mobile) !important;
  }

  .station-card:active {
    opacity: 0.85;
  }

  .station-card-logo-wrap,
  .station-card-logo {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: var(--radius-sm);
    object-fit: cover;
  }

  .station-card-content {
    padding-right: 4.8rem;
  }

  .station-card-name {
    font-size: 0.94rem;
    margin-bottom: 0.2rem;
  }

  .station-card-meta {
    gap: 0.35rem;
    font-size: 0.64rem;
    flex-wrap: nowrap;
    overflow: hidden;
  }

  .badge-tag {
    font-size: 0.62rem;
    padding: 0.1rem 0.35rem;
  }

  .station-card-actions {
    top: 50%;
    transform: translateY(-50%);
    right: 0.65rem;
    opacity: 0.95;
    gap: 0.15rem;
  }

  .card-action-btn {
    width: 1.95rem;
    height: 1.95rem;
  }

  /* Modern Fixed Bottom Player Bar */
  .bottom-player-bar {
    background: var(--bar-bg-mobile) !important;
    border-top: 1px solid var(--border-color) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    transition: none !important;
    padding: 0.55rem 0.85rem calc(0.7rem + env(safe-area-inset-bottom, 12px));
  }

  .bottom-bar-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    row-gap: 0.42rem;
    column-gap: 0.35rem;
    width: 100%;
  }

  .bottom-bar-left {
    grid-column: 1 / -1;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    gap: 0.65rem;
  }

  .bottom-bar-logo {
    width: 2.65rem;
    height: 2.65rem;
    border-radius: var(--radius-sm);
  }

  .bottom-bar-meta {
    flex: 1;
    min-width: 0;
    gap: 0.15rem;
  }

  .bottom-bar-title-row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    width: 100%;
  }

  .bottom-bar-name {
    font-size: 0.92rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 1;
  }

  .bottom-bar-status {
    display: none;
  }

  .format-badge, .highlight-bitrate {
    font-size: 0.6rem;
    padding: 0.1rem 0.35rem;
    flex-shrink: 0;
  }

  .bottom-bar-sub-row {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.65rem;
    gap: 0.35rem;
  }

  .bottom-bar-freq {
    white-space: nowrap;
    flex-shrink: 0;
  }

  .bottom-bar-telemetry {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* Centered Transport Controls & Harmonized Utility Buttons */
  .bottom-bar-right,
  .bottom-tools-group {
    display: contents;
  }

  .bottom-bar-right .volume-wrapper,
  .bottom-bar-right .mini-visualizer-container,
  .volume-wrapper,
  .mini-visualizer-container {
    display: none !important;
  }

  #sleep-timer-btn {
    grid-row: 2;
    grid-column: 1;
    justify-self: end;
    margin-right: 0.35rem;
    padding: 0.38rem 0.55rem;
    font-size: 0.7rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
  }

  .bottom-bar-center {
    grid-row: 2;
    grid-column: 2;
    justify-self: center;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .playback-controls-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
  }

  .play-main-btn {
    width: 3.25rem;
    height: 3.25rem;
    flex-shrink: 0;
  }

  .play-main-btn svg {
    width: 22px;
    height: 22px;
  }

  .play-nav-btn {
    width: 2.25rem;
    height: 2.25rem;
    flex-shrink: 0;
  }

  .play-nav-btn svg {
    width: 14px;
    height: 14px;
  }

  #proxy-toggle-btn {
    grid-row: 2;
    grid-column: 3;
    justify-self: start;
    margin-left: 0.35rem;
    padding: 0.38rem 0.55rem;
    font-size: 0.7rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
  }

  /* Toast Notifications on Mobile */
  .toast-container {
    bottom: calc(125px + 1rem + env(safe-area-inset-bottom, 12px));
    left: 1rem;
    right: 1rem;
    align-items: center;
    max-width: 100%;
  }

  .toast {
    width: 100%;
    max-width: 340px;
    justify-content: center;
    text-align: center;
    font-size: 0.8rem;
    padding: 0.7rem 1rem;
  }

  /* Fullscreen Player on Mobile */
  .fullscreen-player-overlay {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease !important;
    transform: translateY(100%) !important;
  }

  .fullscreen-player-overlay.open {
    transform: translateY(0) !important;
  }

  .fs-ambient-glow {
    width: 320px;
    height: 320px;
    opacity: 0.65;
  }

  .fs-player-container {
    padding: 0.85rem 1.15rem calc(1rem + env(safe-area-inset-bottom, 12px));
    height: 100%;
    min-height: 100dvh;
    justify-content: space-between;
  }

  .fs-artwork-wrapper {
    width: clamp(170px, 26vh, 230px);
    height: clamp(170px, 26vh, 230px);
  }

  .fs-artwork-glow {
    box-shadow: 0 0 25px var(--accent-cyan-glow);
    opacity: 0.7;
  }

  .fs-stage {
    gap: 0.95rem;
    padding: 0.25rem 0;
  }

  .fs-station-name {
    font-size: clamp(1.3rem, 5.5vw, 1.8rem);
  }

  .fs-playback-row {
    gap: 1.25rem;
  }

  .fs-play-btn {
    width: 4.1rem;
    height: 4.1rem;
  }

  .fs-play-btn svg {
    width: 26px;
    height: 26px;
  }

  .fs-nav-btn {
    width: 2.85rem;
    height: 2.85rem;
  }

  .fs-nav-btn svg {
    width: 18px;
    height: 18px;
  }

  .fs-volume-row {
    max-width: 100%;
  }

  .bottom-bar-expand-btn {
    width: 1.85rem;
    height: 1.85rem;
    margin-left: auto;
  }

  #fullscreen-player-btn {
    display: none !important;
  }
}