/* ============================================================
   NEUROMORPHIC AUDIO FX — style.css
   Layout 2 colonnes | Thème clair + sombre
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ── Variables thème CLAIR ── */
:root {
  --neu-bg:            #e6e9ef;
  --neu-bg-alt:        #d1d5db;
  --neu-shadow-dark:   #b8bcc2;
  --neu-shadow-light:  #ffffff;
  --neu-surface:       linear-gradient(145deg, #e6e9ef, #d1d5db);

  --accent:            #7c3aed;
  --accent-dark:       #6d28d9;
  --accent-vocal:      #a855f7;
  --accent-pro:        #f59e0b;
  --accent-green:      #10b981;
  --accent-green-dark: #059669;
  --accent-danger:     #ef4444;

  --text-main:         #1f2937;
  --text-muted:        #6b7280;
  --text-on-accent:    #ffffff;

  --radius-xl:  1.5rem;
  --radius-lg:  1rem;
  --radius-md:  0.75rem;
  --radius-sm:  0.5rem;
  --transition: 0.25s ease;
}

/* ── Variables thème SOMBRE ── */
body.dark {
  --neu-bg:           #1f2937;
  --neu-bg-alt:       #111827;
  --neu-shadow-dark:  #0d1117;
  --neu-shadow-light: #374151;
  --neu-surface:      linear-gradient(145deg, #1f2937, #111827);
  --text-main:        #f9fafb;
  --text-muted:       #9ca3af;
}

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

/* ── Body ── */
body {
  min-height: 100vh;
  padding: 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  background: var(--neu-surface);
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text-main);
  transition: background 0.45s ease, color 0.45s ease;
}

/* ── Surfaces ── */
.neu-raised {
  background: var(--neu-surface);
  box-shadow:
    10px 10px 22px var(--neu-shadow-dark),
    -10px -10px 22px var(--neu-shadow-light);
}

.neu-raised-sm {
  background: var(--neu-surface);
  box-shadow:
    4px 4px 10px var(--neu-shadow-dark),
    -4px -4px 10px var(--neu-shadow-light);
}

.neu-inset {
  background: linear-gradient(145deg, var(--neu-bg-alt), var(--neu-bg));
  box-shadow:
    inset 4px 4px 10px var(--neu-shadow-dark),
    inset -4px -4px 10px var(--neu-shadow-light);
}

/* ══════════════════════════════════════════
   LAYOUT
══════════════════════════════════════════ */

.app-wrapper {
  width: 100%;
  max-width: 1100px;
  padding: 1rem;
  border-radius: var(--radius-xl);
}

/* ── En-tête pleine largeur ── */
.app-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.50rem;
  border-bottom: 1px solid var(--neu-shadow-dark);
}

h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-top: 0.25rem;
  margin-left: 2px;
}

/* ── Grille 2 colonnes ── */
.two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 1.5rem;
  align-items: start;
}

/* Colonne gauche et droite : scrollables indépendamment si besoin */
.col-left,
.col-right {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ── Responsive : 1 colonne sous 780px ── */
@media (max-width: 780px) {
  .two-col-grid {
    grid-template-columns: 1fr;
  }
  .app-wrapper {
    padding: 1.25rem;
  }
}

/* ══════════════════════════════════════════
   COMPOSANTS — COLONNE GAUCHE
══════════════════════════════════════════ */

/* ── Bouton thème toggle ── */
.theme-toggle-btn {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border: none; cursor: pointer;
  font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  color: var(--text-main);
  transition: transform var(--transition), box-shadow var(--transition);
}
.theme-toggle-btn:hover  { transform: translateY(-2px); }
.theme-toggle-btn:active {
  transform: translateY(1px);
  box-shadow: inset 3px 3px 7px var(--neu-shadow-dark), inset -3px -3px 7px var(--neu-shadow-light);
}

/* ── Master toggle bar ── */
.master-toggle-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-md);
}
.master-toggle-label { font-weight: 600; font-size: 0.9rem; }

/* ── Zone upload ── */
.drop-zone {
  padding: 1.25rem 1rem;
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: box-shadow var(--transition);
}
.drop-zone.drag-over {
  box-shadow:
    inset 6px 6px 14px var(--neu-shadow-dark),
    inset -6px -6px 14px var(--neu-shadow-light),
    0 0 0 2px var(--accent);
}
.upload-icon     { font-size: 1.8rem; margin-bottom: 0.35rem; }
.upload-label    { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; line-height: 1.5; }
.upload-link     { color: var(--accent); }
.upload-filename { font-size: 0.78rem; color: var(--accent); margin-top: 0.4rem; }

/* ── Audio player ── */
audio {
  width: 100%;
  border-radius: var(--radius-sm);
}

/* ── Zone export ── */
#export-zone { display: flex; flex-direction: column; gap: 0.6rem; }

.fmt-group { display: flex; gap: 0.5rem; }

.fmt-btn {
  flex: 1;
  padding: 0.5rem 0;
  border: none; cursor: pointer;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.04em;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  background: var(--neu-surface);
  box-shadow: 4px 4px 10px var(--neu-shadow-dark), -4px -4px 10px var(--neu-shadow-light);
  transition: transform var(--transition), box-shadow var(--transition), color var(--transition);
}
.fmt-btn:hover  { transform: translateY(-2px); color: var(--text-main); }
.fmt-btn:active {
  transform: translateY(1px);
  box-shadow: inset 3px 3px 7px var(--neu-shadow-dark), inset -3px -3px 7px var(--neu-shadow-light);
}
.fmt-btn.active {
  background: linear-gradient(145deg, var(--accent-dark), var(--accent));
  color: var(--text-on-accent);
  box-shadow: inset 3px 3px 7px rgba(0,0,0,0.25), inset -2px -2px 5px rgba(255,255,255,0.08);
}

#btn-record {
  width: 100%;
  padding: 0.8rem;
  border: none; cursor: pointer;
  font-size: 0.9rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  color: var(--text-on-accent);
  background: linear-gradient(145deg, var(--accent-dark), var(--accent));
  border-radius: var(--radius-md);
  box-shadow: 5px 5px 12px var(--neu-shadow-dark), -3px -3px 8px var(--neu-shadow-light);
  transition: transform var(--transition), box-shadow var(--transition);
}
#btn-record:hover  { transform: translateY(-2px); box-shadow: 7px 7px 16px var(--neu-shadow-dark), -4px -4px 10px var(--neu-shadow-light); }
#btn-record:active { transform: translateY(1px); box-shadow: inset 4px 4px 10px rgba(0,0,0,0.35); }

.rec-dot { width: 10px; height: 10px; border-radius: 50%; background: white; display: inline-block; }

.rec-status {
  font-size: 0.75rem; color: var(--text-muted);
  text-align: center; min-height: 1.1em;
  margin-top: -0.25rem;
}


/* ══════════════════════════════════════════
   COMPOSANTS — COLONNE DROITE (FX)
══════════════════════════════════════════ */

.category-section {
  border-radius: var(--radius-lg);
  padding: 0.8rem;
}

.category-title {
  font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.08em; font-weight: 700;
  color: var(--text-muted);
  margin: 0 0.25rem 0.65rem 0.25rem;
}

/* ── Cartes FX ── */
.fx-card {
  padding: 0.8rem 0.9rem;
  border-radius: var(--radius-md);
  margin-bottom: 0.6rem;
  transition: box-shadow var(--transition);
}
.fx-card:last-child { margin-bottom: 0; }

.fx-card.active         { box-shadow: 4px 4px 10px var(--neu-shadow-dark), -4px -4px 10px var(--neu-shadow-light), 0 0 0 2px var(--accent); }
.fx-card.vocal-fx.active{ box-shadow: 4px 4px 10px var(--neu-shadow-dark), -4px -4px 10px var(--neu-shadow-light), 0 0 0 2px var(--accent-vocal); }
.fx-card.pro-fx.active  { box-shadow: 4px 4px 10px var(--neu-shadow-dark), -4px -4px 10px var(--neu-shadow-light), 0 0 0 2px var(--accent-pro); }

.fx-header {
  display: flex; justify-content: space-between;
  align-items: center; cursor: pointer; user-select: none; gap: 0.4rem;
}

.fx-title-block { display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; }
.fx-title { font-weight: 600; font-size: 0.88rem; }

.vocal-badge, .pro-badge {
  font-size: 0.62rem; font-weight: 700; padding: 2px 7px; border-radius: 20px;
}
.vocal-badge { background: linear-gradient(135deg, #6d28d9, #a855f7); color: #f3e8ff; }
.pro-badge   { background: linear-gradient(135deg, #b45309, #f59e0b); color: #fef3c7; }

/* ── Accordéon ── */
.controls-body {
  max-height: 0; overflow: hidden; opacity: 0;
  transition: max-height 0.3s ease-out, margin-top 0.3s ease, opacity 0.3s ease;
  pointer-events: none;
}
.fx-card.expanded .controls-body {
  max-height: 260px; margin-top: 0.85rem; opacity: 1; pointer-events: auto;
}

.control-row { margin-bottom: 0.75rem; }
.control-row:last-child { margin-bottom: 0; }

.label-group {
  display: flex; justify-content: space-between;
  font-size: 0.75rem; color: var(--text-muted);
  margin-bottom: 0.3rem; gap: 0.5rem;
}

.val-accent-pro { color: var(--accent-pro); font-weight: 600; }

/* ── Sliders ── */
input[type="range"] {
  width: 100%; cursor: pointer;
  accent-color: var(--accent); height: 5px; border-radius: 3px;
}
.vocal-fx input[type="range"] { accent-color: var(--accent-vocal); }
.pro-fx   input[type="range"] { accent-color: var(--accent-pro); }

/* ── Toggle switch ── */
.switch { position: relative; display: inline-block; width: 44px; height: 22px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }

.slider-toggle {
  position: absolute; cursor: pointer; inset: 0; border-radius: 22px;
  background: linear-gradient(145deg, var(--neu-bg-alt), var(--neu-bg));
  box-shadow: inset 2px 2px 5px var(--neu-shadow-dark), inset -2px -2px 5px var(--neu-shadow-light);
  transition: 0.25s;
}
.slider-toggle::before {
  content: ""; position: absolute;
  width: 16px; height: 16px; left: 3px; bottom: 3px; border-radius: 50%;
  background: var(--neu-surface);
  box-shadow: 2px 2px 5px var(--neu-shadow-dark), -2px -2px 5px var(--neu-shadow-light);
  transition: 0.25s;
}
input:checked + .slider-toggle {
  background: linear-gradient(145deg, var(--accent-dark), var(--accent));
  box-shadow: inset 2px 2px 5px rgba(0,0,0,0.3);
}
input:checked + .slider-danger {
  background: linear-gradient(145deg, #b91c1c, var(--accent-danger));
  box-shadow: inset 2px 2px 5px rgba(0,0,0,0.3);
}
.vocal-fx input:checked + .slider-toggle { background: linear-gradient(145deg, #7e22ce, var(--accent-vocal)); }
.pro-fx   input:checked + .slider-toggle { background: linear-gradient(145deg, #92400e, var(--accent-pro)); }
input:checked + .slider-toggle::before { transform: translateX(22px); }

/* ══════════════════════════════════════════
   LECTEUR WAVEFORM PERSONNALISÉ
══════════════════════════════════════════ */

.waveform-player {
  border-radius: var(--radius-md);
  padding: 0.85rem 0.9rem 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.waveform-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.waveform-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 70%;
}

.waveform-time {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.waveform-canvas-wrap {
  position: relative;
  width: 100%;
  height: 68px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

#waveform-canvas {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-sm);
  cursor: pointer;
  user-select: none;
}

/* Loading dots */
.waveform-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: transparent;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.waveform-loading.hidden { opacity: 0; }

.waveform-loading-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: wf-bounce 1.1s ease-in-out infinite;
}
.waveform-loading-dot:nth-child(2) { animation-delay: 0.18s; }
.waveform-loading-dot:nth-child(3) { animation-delay: 0.36s; }

@keyframes wf-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40%           { transform: scale(1);   opacity: 1; }
}

/* Contrôles */
.waveform-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.waveform-btn {
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--neu-surface);
  box-shadow: 3px 3px 7px var(--neu-shadow-dark), -3px -3px 7px var(--neu-shadow-light);
  padding: 0.38rem 0.6rem;
  transition: transform var(--transition), box-shadow var(--transition), color var(--transition);
  line-height: 1;
  letter-spacing: -0.02em;
}
.waveform-btn:hover { transform: translateY(-1px); color: var(--text-main); }
.waveform-btn:active {
  transform: translateY(1px);
  box-shadow: inset 2px 2px 5px var(--neu-shadow-dark), inset -2px -2px 5px var(--neu-shadow-light);
}

.waveform-play-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 0.85rem;
  color: var(--text-on-accent);
  background: linear-gradient(145deg, var(--accent-dark), var(--accent));
  box-shadow: 4px 4px 10px var(--neu-shadow-dark), -3px -3px 8px var(--neu-shadow-light);
  display: flex; align-items: center; justify-content: center;
  padding: 0;
}
.waveform-play-btn:hover { color: var(--text-on-accent); transform: translateY(-2px); }

.waveform-loop-wrap {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.waveform-loop-icon {
  font-size: 0.82rem;
  user-select: none;
  opacity: 0.55;
  transition: opacity var(--transition);
}

.waveform-loop-switch { width: 36px; height: 18px; }
.waveform-loop-switch .slider-toggle::before { width: 12px; height: 12px; left: 3px; bottom: 3px; }
.waveform-loop-switch input:checked + .slider-toggle::before { transform: translateX(18px); }

input:checked + .slider-loop {
  background: linear-gradient(145deg, var(--accent-green-dark), var(--accent-green));
  box-shadow: inset 2px 2px 5px rgba(0,0,0,0.3);
}

/* Icône loop allumée quand actif */
#btn-loop:checked ~ .waveform-loop-icon,
.waveform-loop-wrap:has(#btn-loop:checked) .waveform-loop-icon {
  opacity: 1;
}

.waveform-volume-wrap {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: auto;
}

.waveform-vol-icon {
  font-size: 0.85rem;
  cursor: pointer;
  user-select: none;
}

.waveform-volume-slider {
  width: 68px;
  cursor: pointer;
  accent-color: var(--accent);
  height: 4px;
  border-radius: 2px;
}

/* ── Settings export / import ── */
.settings-io {
  display: flex;
  gap: 0.5rem;
}

.settings-btn {
  flex: 1;
  padding: 0.5rem 0.4rem;
  border: none;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  background: var(--neu-surface);
  box-shadow: 4px 4px 10px var(--neu-shadow-dark), -4px -4px 10px var(--neu-shadow-light);
  transition: transform var(--transition), box-shadow var(--transition), color var(--transition);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  line-height: 1.2;
}
.settings-btn:hover  { transform: translateY(-2px); color: var(--text-main); }
.settings-btn:active {
  transform: translateY(1px);
  box-shadow: inset 3px 3px 7px var(--neu-shadow-dark), inset -3px -3px 7px var(--neu-shadow-light);
}
.settings-btn-import { cursor: pointer; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--neu-bg-alt); border-radius: 4px; }
::-webkit-scrollbar-thumb { background: linear-gradient(145deg, var(--neu-shadow-dark), #9ca0a6); border-radius: 4px; }

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}