/**
 * Fijate Tools - Detector de BPM y tonalidad por archivo de audio
 * Estilos CSS modernos y responsivos (css/style.css)
 */

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Tema oscuro */
  --bg-app: #080c14;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-solid: #0f172a;
  --bg-card-hover: rgba(30, 41, 59, 0.9);
  --border-card: rgba(255, 255, 255, 0.08);
  --border-focus: #38bdf8;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent-cyan: #38bdf8;
  --accent-gold: #f59e0b;
  --accent-green: #10b981;
  --accent-purple: #a855f7;

  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-pill: 9999px;

  --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.25);
  --transition-fast: 0.18s ease;
  --transition-normal: 0.25s ease;
}

[data-theme="light"] {
  --bg-app: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-solid: #ffffff;
  --bg-card-hover: #f8fafc;
  --border-card: rgba(0, 0, 0, 0.09);
  --border-focus: #0284c7;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;

  --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
}

/* ==========================================================================
   2. REINICIO Y ESTRUCTURA BASE
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: clip;
}

.tool-layout {
  max-width: 1240px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  width: 100%;
}

.tool-with-sidebar {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  width: 100%;
}

.tool-main-content {
  flex: 1 1 0%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.card-main {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
}

/* ==========================================================================
   3. ZONA DE CARGA (DRAG & DROP)
   ========================================================================== */
.drop-zone-card {
  border: 2px dashed rgba(56, 189, 248, 0.35);
  background: rgba(15, 23, 42, 0.4);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.drop-zone-card:hover,
.drop-zone-card.drag-active {
  border-color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -6px rgba(56, 189, 248, 0.2);
}

.drop-icon-box {
  width: 68px;
  height: 68px;
  border-radius: var(--radius-pill);
  background: rgba(56, 189, 248, 0.14);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.drop-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-main);
}

.drop-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 540px;
}

.drop-formats-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-top: 0.25rem;
}

.btn-file-select {
  min-height: 44px;
  padding: 0 1.5rem;
  background: var(--accent-cyan);
  color: #032b3b;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: 0.5rem;
}

.btn-file-select:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 14px rgba(56, 189, 248, 0.4);
}

/* Barra de progreso */
.progress-container {
  display: none;
  padding: 2.5rem 2rem;
  text-align: center;
}

.progress-bar-track {
  width: 100%;
  max-width: 500px;
  height: 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  margin: 1.25rem auto 0.75rem;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #38bdf8, #10b981);
  border-radius: var(--radius-pill);
  transition: width 0.25s ease;
}

.progress-status-text {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* ==========================================================================
   4. TARJETAS DE RESULTADOS PRINCIPALES
   ========================================================================== */
.results-section {
  display: none;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.track-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-card);
  padding-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.track-title-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.track-icon-badge {
  width: 42px;
  height: 42px;
  background: rgba(56, 189, 248, 0.15);
  border-radius: var(--radius-sm);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
}

.track-filename {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
  word-break: break-all;
}

.track-meta-duration {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.results-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.25rem;
}

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

.metric-hero-box {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.75rem;
  position: relative;
  overflow: hidden;
}

.metric-hero-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent-cyan);
}

.metric-box-key::before { background: var(--accent-gold); }
.metric-box-camelot::before { background: var(--accent-purple); }

.metric-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.metric-title {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.metric-badge-confidence {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.metric-value-huge {
  font-family: var(--font-mono);
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1;
  color: var(--text-main);
  margin: 0.25rem 0;
}

.metric-sub-detail {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Modificadores de BPM */
.bpm-modifiers-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.btn-modifier-pill {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 6px 12px;
  min-height: 38px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-modifier-pill:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Badges de Camelot y Open Key */
.camelot-hero-display {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0.5rem 0;
}

.camelot-circle-badge {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  width: 68px;
  height: 68px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

.openkey-box {
  display: flex;
  flex-direction: column;
}

.openkey-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.openkey-val {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
}

/* ==========================================================================
   5. VISUALIZADOR DE ONDA Y REPRODUCTOR
   ========================================================================== */
.player-waveform-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.waveform-container {
  width: 100%;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

#waveform-canvas {
  width: 100%;
  height: 110px;
  display: block;
}

.player-controls-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.player-buttons-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-player-play {
  min-height: 44px;
  padding: 0 1.5rem;
  background: var(--accent-green);
  color: #062b1e;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-player-play:hover {
  filter: brightness(1.1);
}

.btn-player-play.playing {
  background: #f59e0b;
  color: #2b1702;
}

.btn-player-stop {
  min-height: 44px;
  padding: 0 1rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-player-stop:hover {
  border-color: #ef4444;
  color: #ef4444;
}

.btn-metronome-toggle {
  min-height: 44px;
  padding: 0 1.1rem;
  background: var(--bg-card-solid);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.88rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-metronome-toggle:hover {
  border-color: var(--accent-cyan);
}

.btn-metronome-toggle.active {
  background: rgba(56, 189, 248, 0.18);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.timecode-display {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}

/* ==========================================================================
   6. TONALIDADES COMPATIBLES PARA DJ (MEZCLAS ARMÓNICAS)
   ========================================================================== */
.compatible-keys-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 0.75rem;
}

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

.compatible-code {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent-cyan);
  min-width: 42px;
}

.compatible-info {
  display: flex;
  flex-direction: column;
}

.compatible-info strong {
  font-size: 0.95rem;
  color: var(--text-main);
}

.compatible-info span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Botonera de acciones finales */
.actions-footer-bar {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
  border-top: 1px solid var(--border-card);
  padding-top: 1.25rem;
}

.btn-action-copy {
  min-height: 44px;
  padding: 0 1.25rem;
  background: var(--bg-card-solid);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-action-copy:hover {
  border-color: var(--border-focus);
}

.btn-action-new {
  min-height: 44px;
  padding: 0 1.25rem;
  background: transparent;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-action-new:hover {
  border-color: var(--text-main);
  color: var(--text-main);
}