/* ==========================================================================
   CYBERPULSE // SYNTHWAVE AUDIO STATION STYLESHEET
   ========================================================================== */

:root {
  --bg-primary: #07050d;
  --bg-secondary: #0f0a1c;
  --bg-card: rgba(18, 12, 33, 0.75);
  --bg-card-border: rgba(255, 0, 128, 0.3);

  --neon-pink: #ff007f;
  --neon-cyan: #00f0ff;
  --neon-purple: #9900ff;
  --neon-yellow: #ffe600;
  --neon-green: #00ff66;

  --text-main: #f0f4ff;
  --text-muted: #8b85a3;
  --text-glow: rgba(0, 240, 255, 0.7);

  --accent-primary: var(--neon-pink);
  --accent-secondary: var(--neon-cyan);

  --font-display: 'Orbitron', -apple-system, sans-serif;
  --font-ui: 'Rajdhani', -apple-system, sans-serif;

  --glow-pink: 0 0 15px rgba(255, 0, 127, 0.6);
  --glow-cyan: 0 0 15px rgba(0, 240, 255, 0.6);
}

/* Цветовые темы */
body.theme-neon {
  --accent-primary: #ff007f;
  --accent-secondary: #00f0ff;
  --text-glow: rgba(0, 240, 255, 0.7);
  --bg-card-border: rgba(255, 0, 128, 0.35);
}

body.theme-matrix {
  --accent-primary: #00ff66;
  --accent-secondary: #008f39;
  --text-glow: rgba(0, 255, 102, 0.7);
  --bg-card-border: rgba(0, 255, 102, 0.35);
}

body.theme-sunset {
  --accent-primary: #ff5500;
  --accent-secondary: #ffcc00;
  --text-glow: rgba(255, 170, 0, 0.7);
  --bg-card-border: rgba(255, 85, 0, 0.35);
}

body.theme-electric {
  --accent-primary: #b000ff;
  --accent-secondary: #00d4ff;
  --text-glow: rgba(176, 0, 255, 0.7);
  --bg-card-border: rgba(176, 0, 255, 0.35);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-ui);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  font-size: 16px;
  line-height: 1.5;
}

/* ==========================================================================
   РЕТРО-ФОН (GRID & SUN & CRT)
   ========================================================================== */

.synthwave-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  overflow: hidden;
  background: radial-gradient(circle at 50% 20%, #20093b 0%, #080314 70%, #030108 100%);
  pointer-events: none;
}

.stars {
  position: absolute;
  width: 100%;
  height: 60%;
  background-image: 
    radial-gradient(1px 1px at 25px 35px, #fff, transparent),
    radial-gradient(1.5px 1.5px at 150px 80px, #00f0ff, transparent),
    radial-gradient(1px 1px at 280px 120px, #ff007f, transparent),
    radial-gradient(2px 2px at 450px 40px, #fff, transparent),
    radial-gradient(1px 1px at 700px 190px, #ffe600, transparent),
    radial-gradient(1.5px 1.5px at 900px 90px, #fff, transparent),
    radial-gradient(1px 1px at 1150px 150px, #00f0ff, transparent);
  background-size: 1200px 300px;
  opacity: 0.7;
}

.sun {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: linear-gradient(180deg, #ff007f 0%, #ff7700 70%, #ffe600 100%);
  box-shadow: 0 0 80px rgba(255, 0, 127, 0.6), 0 0 160px rgba(255, 119, 0, 0.3);
  opacity: 0.65;
  mask-image: linear-gradient(to bottom, 
    black 0%, black 50%, 
    transparent 50%, transparent 52%, 
    black 52%, black 60%, 
    transparent 60%, transparent 63%, 
    black 63%, black 72%, 
    transparent 72%, transparent 76%, 
    black 76%, black 85%, 
    transparent 85%, transparent 90%, 
    black 90%, black 100%
  );
  -webkit-mask-image: linear-gradient(to bottom, 
    black 0%, black 50%, 
    transparent 50%, transparent 52%, 
    black 52%, black 60%, 
    transparent 60%, transparent 63%, 
    black 63%, black 72%, 
    transparent 72%, transparent 76%, 
    black 76%, black 85%, 
    transparent 85%, transparent 90%, 
    black 90%, black 100%
  );
}

.grid-plane {
  position: absolute;
  bottom: -30%;
  left: -50%;
  width: 200%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 240, 255, 0.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 0, 127, 0.25) 1px, transparent 1px);
  background-size: 60px 60px;
  transform: perspective(350px) rotateX(68deg);
  animation: gridScroll 18s linear infinite;
  mask-image: linear-gradient(to top, rgba(0,0,0,1) 40%, rgba(0,0,0,0) 90%);
  -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,1) 40%, rgba(0,0,0,0) 90%);
}

@keyframes gridScroll {
  0% { transform: perspective(350px) rotateX(68deg) translateY(0); }
  100% { transform: perspective(350px) rotateX(68deg) translateY(60px); }
}

.vignette {
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 120px rgba(0, 0, 0, 0.85);
}

.scanlines {
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%);
  background-size: 100% 4px;
  z-index: 10;
  pointer-events: none;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

body.no-scanlines .scanlines {
  opacity: 0;
}

/* ==========================================================================
   КОНТЕЙНЕР ПРИЛОЖЕНИЯ
   ========================================================================== */

.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  position: relative;
  z-index: 2;
}

/* ==========================================================================
   ШАПКА (HEADER)
   ========================================================================== */

.cyber-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-group {
  display: flex;
  flex-direction: column;
}

.logo-glitch {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: 4px;
  color: #fff;
  text-shadow: 
    0 0 10px var(--accent-primary),
    0 0 25px var(--accent-secondary),
    2px 2px 0px rgba(255, 0, 127, 0.8),
    -2px -2px 0px rgba(0, 240, 255, 0.8);
  position: relative;
  cursor: default;
}

.logo-sub {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent-secondary);
  text-shadow: 0 0 8px var(--accent-secondary);
}

.header-badges {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  background: rgba(0, 0, 0, 0.6);
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--accent-secondary);
  border-radius: 4px;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-secondary);
  box-shadow: 0 0 8px var(--accent-secondary);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 0.4; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.2); }
}

.cyber-btn-mini {
  background: transparent;
  border: 1px solid var(--accent-primary);
  color: var(--accent-primary);
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 1px;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  border-radius: 3px;
  transition: all 0.2s ease;
}

.cyber-btn-mini:hover {
  background: var(--accent-primary);
  color: #000;
  box-shadow: 0 0 10px var(--accent-primary);
}

/* ==========================================================================
   ВИЗУАЛИЗАТОР (CANVAS STAGE)
   ========================================================================== */

.visualizer-stage {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.canvas-wrapper {
  position: relative;
  width: 100%;
  height: 380px;
  background: rgba(8, 4, 18, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--bg-card-border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 
    0 10px 30px rgba(0, 0, 0, 0.6),
    inset 0 0 30px rgba(255, 0, 127, 0.1),
    0 0 20px rgba(0, 240, 255, 0.15);
}

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

.canvas-overlay {
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  right: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  pointer-events: none;
}

.track-hud {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.hud-tag {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: var(--accent-primary);
  text-shadow: 0 0 8px var(--accent-primary);
}

.hud-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: #fff;
  text-shadow: 0 0 12px rgba(255, 255, 255, 0.6);
}

.hud-artist {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--accent-secondary);
}

.bpm-counter {
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
}

.bpm-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--accent-secondary);
  text-shadow: 0 0 10px var(--accent-secondary);
}

.bpm-lbl {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-muted);
}

/* Дропзона файлов */
.drop-zone {
  position: absolute;
  inset: 0;
  background: rgba(10, 4, 25, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--accent-secondary);
  border-radius: 8px;
  z-index: 20;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.drop-zone.active {
  pointer-events: all;
  border-color: var(--accent-primary);
  box-shadow: inset 0 0 40px rgba(255, 0, 127, 0.4);
}

.drop-content {
  text-align: center;
}

.drop-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  animation: pulseDot 1s infinite alternate;
}

.drop-zone h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 2px;
  color: var(--accent-secondary);
  margin-bottom: 0.4rem;
}

.drop-zone p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Селекторы режимов визуализатора */
.visualizer-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  padding: 0.75rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
}

.viz-modes {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.mode-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 0.5rem 0.9rem;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
}

.mode-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: var(--accent-secondary);
}

.mode-btn.active {
  background: rgba(0, 240, 255, 0.15);
  color: #fff;
  border-color: var(--accent-secondary);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.35);
}

.color-presets {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.preset-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.color-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.color-dot:hover {
  transform: scale(1.15);
}

.color-dot.active {
  border-color: #fff;
  box-shadow: 0 0 10px #fff;
  transform: scale(1.15);
}

/* ==========================================================================
   ДЕКА ПЛЕЕРА (CYBER DECK)
   ========================================================================== */

.cyber-deck {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--bg-card-border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

/* Прогресс-бар */
.scrubber-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.time-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--accent-secondary);
  min-width: 45px;
  text-align: center;
}

.progress-track {
  flex: 1;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  box-shadow: 0 0 12px var(--accent-secondary);
  transition: width 0.1s linear;
}

/* Нижний ряд деки */
.deck-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.deck-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.cyber-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.cyber-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--accent-secondary);
  box-shadow: 0 0 14px rgba(0, 240, 255, 0.4);
}

.play-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border: none;
  color: #000;
  box-shadow: 0 0 20px var(--accent-primary);
}

.play-btn:hover {
  transform: scale(1.06);
  box-shadow: 0 0 30px var(--accent-secondary), 0 0 15px var(--accent-primary);
}

.icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
}

/* Рэк регуляторов FX */
.audio-fx-rack {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  flex-wrap: wrap;
}

.fx-control {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.fx-control label {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--text-muted);
}

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

.mute-icon-btn {
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--text-main);
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255, 255, 255, 0.1);
  height: 6px;
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-secondary);
  box-shadow: 0 0 10px var(--accent-secondary);
  cursor: pointer;
  transition: transform 0.1s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.3);
}

/* Кнопка загрузки своего трека */
.file-input-hidden {
  display: none;
}

.upload-btn {
  padding: 0.65rem 1.2rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  border-color: var(--accent-primary);
  background: rgba(255, 0, 127, 0.15);
  color: #fff;
  clip-path: polygon(10px 0%, 100% 0%, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0% 100%, 0% 10px);
}

.upload-btn:hover {
  background: var(--accent-primary);
  color: #000;
  box-shadow: 0 0 20px var(--accent-primary);
}

/* ==========================================================================
   СЕТКА КОНТЕНТА (ПЛЕЙЛИСТ И ИНФО)
   ========================================================================== */

.content-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.5rem;
}

.cyber-panel {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 0.8rem;
}

.panel-header h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 2px;
  color: var(--text-main);
}

.badge {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 1px;
  background: rgba(0, 240, 255, 0.12);
  color: var(--accent-secondary);
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
}

/* Список треков */
.track-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.track-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.track-item:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(0, 240, 255, 0.4);
  transform: translateX(4px);
}

.track-item.active {
  background: rgba(255, 0, 127, 0.12);
  border-color: var(--accent-primary);
  box-shadow: 0 0 15px rgba(255, 0, 127, 0.25);
}

.track-item-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.track-num {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-secondary);
  min-width: 24px;
}

.track-meta {
  display: flex;
  flex-direction: column;
}

.track-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: #fff;
}

.track-genre {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.track-bpm-badge {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--accent-primary);
  border: 1px solid rgba(255, 0, 127, 0.3);
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
}

/* Список шорткатов */
.shortcut-list {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
}

.key-combo kbd {
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(0, 240, 255, 0.4);
  color: var(--accent-secondary);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.55rem;
  border-radius: 4px;
  box-shadow: 0 2px 0 rgba(0, 240, 255, 0.3);
}

.key-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.panel-footer-tip {
  margin-top: auto;
  padding: 0.75rem 1rem;
  background: rgba(0, 240, 255, 0.05);
  border-left: 3px solid var(--accent-secondary);
  border-radius: 4px;
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--text-main);
}

/* ==========================================================================
   ФУТЕР
   ========================================================================== */

.cyber-footer {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 2px;
  color: var(--text-muted);
}

/* Вспомогательные классы */
.hidden {
  display: none !important;
}

/* ==========================================================================
   АДАПТИВНОСТЬ (RESPONSIVE DESIGN)
   ========================================================================== */

@media (max-width: 900px) {
  .content-grid {
    grid-template-columns: 1fr;
  }

  .canvas-wrapper {
    height: 300px;
  }

  .hud-title {
    font-size: 1.3rem;
  }

  .deck-row {
    flex-direction: column;
    align-items: stretch;
  }

  .deck-actions {
    justify-content: center;
  }

  .audio-fx-rack {
    justify-content: space-around;
  }
}

@media (max-width: 600px) {
  .app-container {
    padding: 1rem 0.8rem 2rem;
  }

  .logo-glitch {
    font-size: 1.6rem;
  }

  .canvas-wrapper {
    height: 240px;
  }

  .viz-modes {
    width: 100%;
    justify-content: space-between;
  }

  .mode-btn {
    flex: 1 1 45%;
    justify-content: center;
    font-size: 0.68rem;
    padding: 0.4rem 0.5rem;
  }

  .color-presets {
    width: 100%;
    justify-content: center;
  }
}