/* =============================================================
   app.css — Sound Recorder PWA — Dark Mode Premium Design
   ============================================================= */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Design Tokens ────────────────────────────────────────── */
:root {
  /* Colors */
  --bg-900:      #0D0F1A;
  --bg-800:      #111320;
  --bg-700:      #161929;
  --bg-600:      #1E2235;
  --bg-500:      #252A40;
  --border:      rgba(255,255,255,0.08);
  --border-soft: rgba(255,255,255,0.05);

  /* Accent */
  --purple:      #7C3AED;
  --purple-light:#9D5CF6;
  --cyan:        #06B6D4;
  --cyan-light:  #22D3EE;
  --gradient:    linear-gradient(135deg, var(--purple), var(--cyan));
  --gradient-rev:linear-gradient(135deg, var(--cyan), var(--purple));

  /* Text */
  --text-primary:   #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted:     #475569;

  /* Status */
  --green:  #10B981;
  --yellow: #F59E0B;
  --red:    #EF4444;
  --red-dark: #991B1B;

  /* Spacing */
  --space-1: 4px;  --space-2: 8px;  --space-3: 12px;
  --space-4: 16px; --space-5: 20px; --space-6: 24px;
  --space-8: 32px; --space-10: 40px; --space-12: 48px;

  /* Radius */
  --radius-sm: 8px; --radius-md: 12px;
  --radius-lg: 16px; --radius-xl: 24px; --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg:  0 8px 40px rgba(0,0,0,0.6);
  --glow-purple:0 0 20px rgba(124,58,237,0.4);
  --glow-cyan:  0 0 20px rgba(6,182,212,0.3);

  /* Transitions */
  --ease:     cubic-bezier(0.4, 0, 0.2, 1);
  --fast:     150ms;
  --normal:   250ms;
  --slow:     400ms;

  /* Header */
  --header-h: 64px;
  --tab-bar-h: 60px;
}

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

html {
  height: 100%;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-900);
  color: var(--text-primary);
  min-height: 100%;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Layout ───────────────────────────────────────────────── */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100svh;
}

/* Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(13,15,26,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-5);
}

.app-header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.app-header__logo svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

/* Offline badge */
.offline-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(239,68,68,0.15);
  border: 1px solid rgba(239,68,68,0.3);
  color: #FCA5A5;
  font-size: 0.75rem;
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  animation: pulse-badge 2s ease infinite;
}

@keyframes pulse-badge {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.6; }
}

/* Tab Bar */
.tab-bar {
  display: flex;
  background: var(--bg-800);
  border-bottom: 1px solid var(--border);
  padding: var(--space-2) var(--space-3);
  gap: var(--space-2);
  overflow-x: auto;
  scrollbar-width: none;
}
.tab-bar::-webkit-scrollbar { display: none; }

.tab-btn {
  flex: 1;
  min-width: max-content;
  padding: var(--space-2) var(--space-4);
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--normal) var(--ease);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.tab-btn:hover { background: var(--bg-600); color: var(--text-primary); }

.tab-btn.active {
  background: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(6,182,212,0.15));
  color: var(--cyan-light);
  border: 1px solid rgba(124,58,237,0.3);
}

/* Main content */
.app-main {
  flex: 1;
  overflow: hidden;
}

.tab-panel {
  display: none;
  height: 100%;
  overflow-y: auto;
  padding-bottom: var(--space-10);
}

.tab-panel.active { display: block; }

/* ── PANEL: Grabadora ─────────────────────────────────────── */
.recorder-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-8) var(--space-5);
  gap: var(--space-6);
  min-height: calc(100svh - var(--header-h) - var(--tab-bar-h));
}

/* Visualizer */
.visualizer-container {
  width: 100%;
  max-width: 480px;
  height: 120px;
  background: var(--bg-700);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

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

/* Timer */
.timer-display {
  font-family: 'JetBrains Mono', monospace;
  font-size: 3.5rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  user-select: none;
}

.rec-status {
  font-size: 0.9rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 500;
}

/* Controles */
.recorder-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
}

/* Botón principal grabar */
.btn-record {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  border: 3px solid var(--purple);
  background: transparent;
  cursor: pointer;
  position: relative;
  transition: all var(--normal) var(--ease);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glow-purple);
}

.btn-record::after {
  content: '';
  width: 46px;
  height: 46px;
  border-radius: var(--radius-full);
  background: var(--gradient);
  transition: all var(--normal) var(--ease);
}

.btn-record:hover {
  transform: scale(1.05);
  box-shadow: 0 0 30px rgba(124,58,237,0.6);
}

.btn-record.recording::after {
  border-radius: var(--radius-sm);
  width: 28px;
  height: 28px;
  background: var(--red);
  animation: none;
}

.btn-record.recording {
  border-color: var(--red);
  box-shadow: 0 0 20px rgba(239,68,68,0.4);
  animation: pulse-rec 1.5s ease infinite;
}

@keyframes pulse-rec {
  0%, 100% { box-shadow: 0 0 20px rgba(239,68,68,0.4); }
  50%       { box-shadow: 0 0 40px rgba(239,68,68,0.8), 0 0 60px rgba(239,68,68,0.3); }
}

/* Botones secundarios (pausa, stop) */
.btn-control {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-full);
  border: 2px solid var(--border);
  background: var(--bg-700);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--normal) var(--ease);
}

.btn-control svg { width: 20px; height: 20px; }
.btn-control:hover { border-color: var(--purple); background: var(--bg-600); transform: scale(1.05); }
.btn-control--stop:hover  { border-color: var(--red); }
.btn-control--pause:hover { border-color: var(--cyan); }

/* Tip */
.recorder-tip {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
}

/* ── PANEL: Lista de grabaciones ──────────────────────────── */
.recordings-panel { padding: var(--space-4); }

.filters-bar {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.search-row {
  display: flex;
  gap: var(--space-2);
}

.input-search {
  flex: 1;
  background: var(--bg-700);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--normal) var(--ease);
}

.input-search::placeholder { color: var(--text-muted); }
.input-search:focus { border-color: var(--purple); box-shadow: 0 0 0 3px rgba(124,58,237,0.15); }

.btn-icon-refresh {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-700);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--normal) var(--ease);
  flex-shrink: 0;
}
.btn-icon-refresh:hover { border-color: var(--cyan); color: var(--cyan); }

/* Filtros de fecha */
.date-row {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

.date-row label { font-size: 0.78rem; color: var(--text-muted); white-space: nowrap; }

.input-date, .input-select {
  background: var(--bg-700);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  color: var(--text-primary);
  font-size: 0.82rem;
  outline: none;
  flex: 1;
  min-width: 0;
}
.input-date:focus, .input-select:focus { border-color: var(--purple); }
.input-select { cursor: pointer; }

/* Chips de categoría */
.filter-chips-wrap {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: var(--space-1);
}
.filter-chips-wrap::-webkit-scrollbar { display: none; }

.filter-chip {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: var(--bg-700);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--normal) var(--ease);
}

.filter-chip:hover { border-color: var(--chip-color, var(--purple)); color: var(--text-primary); }

.filter-chip--active {
  background: linear-gradient(135deg, rgba(124,58,237,0.3), rgba(6,182,212,0.2));
  border-color: var(--chip-color, var(--purple));
  color: var(--text-primary);
}

/* ── Recording Card ───────────────────────────────────────── */
.recordings-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.recording-card {
  background: var(--bg-700);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: border-color var(--normal) var(--ease), box-shadow var(--normal) var(--ease);
}

.recording-card:hover {
  border-color: rgba(124,58,237,0.3);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.recording-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.recording-card__info { flex: 1; min-width: 0; }

.recording-card__name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: var(--space-1) 0;
}

.recording-card__date {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.recording-card__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  align-items: flex-end;
  flex-shrink: 0;
}

.recording-card__notes {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-600);
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--purple);
}

.recording-card__actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-3);
  border-top: 1px solid var(--border-soft);
  padding-top: var(--space-3);
}

/* ── Chip ─────────────────────────────────────────────────── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--chip-color, #7C3AED) 20%, transparent);
  border: 1px solid color-mix(in srgb, var(--chip-color, #7C3AED) 40%, transparent);
  color: var(--chip-color, #9D5CF6);
  font-size: 0.72rem;
  font-weight: 500;
}

/* ── Badge ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
}

.badge--duration {
  background: rgba(124,58,237,0.15);
  color: var(--purple-light);
  border: 1px solid rgba(124,58,237,0.25);
}

.badge--size {
  background: rgba(6,182,212,0.1);
  color: var(--cyan);
  border: 1px solid rgba(6,182,212,0.2);
}

/* ── Mini Player ──────────────────────────────────────────── */
.recording-card__player {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--bg-600);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-3);
}

.btn-play {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--gradient);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--fast) var(--ease), box-shadow var(--fast) var(--ease);
}

.btn-play:hover { transform: scale(1.1); box-shadow: var(--glow-purple); }

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

.btn-play.playing svg { display: none; }
.btn-play.playing::after {
  content: '⏸';
  font-size: 14px;
  line-height: 1;
}

.progress-bar {
  flex: 1;
  height: 4px;
  background: var(--bg-500);
  border-radius: var(--radius-full);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: var(--gradient);
  border-radius: var(--radius-full);
  width: 0%;
  transition: width 100ms linear;
}

.player-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--normal) var(--ease);
  text-decoration: none;
  color: var(--text-secondary);
  background: transparent;
}

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

.btn--primary {
  background: var(--gradient);
  color: white;
  border: none;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  box-shadow: 0 4px 15px rgba(124,58,237,0.3);
}
.btn--primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(124,58,237,0.5); }

.btn--ghost {
  border-color: var(--border);
  background: var(--bg-600);
}
.btn--ghost:hover { border-color: var(--purple); background: rgba(124,58,237,0.1); }

.btn--danger { color: var(--red); }
.btn--danger:hover { border-color: var(--red); background: rgba(239,68,68,0.1); }

.btn--sm { padding: var(--space-1) var(--space-2); font-size: 0.78rem; }

.btn--icon {
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}
.btn--icon:hover { border-color: var(--purple); }
.btn--danger-icon:hover { border-color: var(--red); }

/* ── Empty State ──────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-5);
  color: var(--text-muted);
}
.empty-state__icon { font-size: 3rem; margin-bottom: var(--space-4); }
.empty-state h3    { font-size: 1rem; color: var(--text-secondary); margin-bottom: var(--space-2); }
.empty-state p     { font-size: 0.85rem; }
.empty-inline      { color: var(--text-muted); font-size: 0.85rem; padding: var(--space-4); text-align: center; }

/* ── PANEL: Categorías ────────────────────────────────────── */
.categories-panel {
  padding: var(--space-4);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-5);
}

.panel-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.btn-add {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--purple);
  background: rgba(124,58,237,0.15);
  color: var(--purple-light);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--normal) var(--ease);
}
.btn-add:hover { background: rgba(124,58,237,0.3); transform: translateY(-1px); }

.categories-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.category-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-700);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--normal) var(--ease);
}
.category-item:hover { border-color: rgba(124,58,237,0.3); }

.cat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.cat-info {
  flex: 1;
  min-width: 0;
}
.cat-info strong { display: block; font-size: 0.9rem; color: var(--text-primary); }
.cat-info span   { font-size: 0.75rem; color: var(--text-muted); }

.cat-actions { display: flex; gap: var(--space-1); }

/* ── Modales ──────────────────────────────────────────────── */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  align-items: flex-end;
  justify-content: center;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal.modal--open {
  display: flex;
  animation: modal-in var(--normal) var(--ease);
}

@keyframes modal-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal__sheet {
  width: 100%;
  max-width: 520px;
  background: var(--bg-800);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  border: 1px solid var(--border);
  border-bottom: none;
  padding: var(--space-6);
  padding-bottom: calc(var(--space-6) + env(safe-area-inset-bottom));
  animation: sheet-up var(--normal) var(--ease);
  max-height: 90svh;
  overflow-y: auto;
}

@keyframes sheet-up {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

.modal__handle {
  width: 40px;
  height: 4px;
  background: var(--bg-500);
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-5);
}

.modal__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-5);
  color: var(--text-primary);
}

.modal__confirm-delete {
  text-align: center;
  padding: var(--space-4) 0;
}
.modal__confirm-delete p { color: var(--text-secondary); margin-bottom: var(--space-2); }
.modal__confirm-delete strong { color: var(--text-primary); }

/* Form */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--bg-700);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--normal) var(--ease), box-shadow var(--normal) var(--ease);
}

.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}

.form-textarea { resize: vertical; min-height: 80px; }

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%2394A3B8' viewBox='0 0 24 24'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 18px;
  padding-right: 36px;
}

/* Color picker row */
.color-row {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.color-swatch {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  border: 2px solid var(--border);
  cursor: pointer;
  padding: 0;
  overflow: hidden;
  flex-shrink: 0;
}
.color-swatch input[type=color] { width: 100%; height: 100%; border: none; cursor: pointer; padding: 0; }

.color-presets {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.color-preset {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--fast) var(--ease), border-color var(--fast) var(--ease);
}
.color-preset:hover { transform: scale(1.15); border-color: white; }

/* Modal actions */
.modal__actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}
.modal__actions .btn { flex: 1; justify-content: center; padding: var(--space-3); font-size: 0.9rem; }

.btn--confirm {
  background: var(--gradient);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(124,58,237,0.3);
}
.btn--confirm:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(124,58,237,0.5); }

.btn--cancel {
  background: var(--bg-700);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.btn--cancel:hover { border-color: var(--purple); color: var(--text-primary); }

.btn--delete-confirm {
  background: rgba(239,68,68,0.15);
  color: var(--red);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: var(--radius-md);
  font-weight: 600;
}
.btn--delete-confirm:hover { background: rgba(239,68,68,0.3); }

/* ── Toast ────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  z-index: 300;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  font-size: 0.87rem;
  font-weight: 500;
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: all var(--normal) var(--ease);
  background: var(--bg-600);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.toast--visible { opacity: 1; transform: translateX(-50%) translateY(0); }

.toast--success { background: rgba(16,185,129,0.15); border-color: rgba(16,185,129,0.4); color: #6EE7B7; }
.toast--error   { background: rgba(239,68,68,0.15);  border-color: rgba(239,68,68,0.4);  color: #FCA5A5; }
.toast--info    { background: rgba(6,182,212,0.1);   border-color: rgba(6,182,212,0.3);  color: var(--cyan-light); }

.toast__icon { font-size: 1rem; }

/* ── Scrollbar ────────────────────────────────────────────── */
* { scrollbar-width: thin; scrollbar-color: var(--bg-500) transparent; }
*::-webkit-scrollbar { width: 4px; height: 4px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: var(--bg-500); border-radius: var(--radius-full); }

/* ── Responsive ───────────────────────────────────────────── */
@media (min-width: 480px) {
  .modal__sheet { border-radius: var(--radius-xl); margin: auto; border: 1px solid var(--border); }
  .modal { align-items: center; }
  .recorder-panel { padding: var(--space-10) var(--space-6); }
}

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

/* ── Utility ──────────────────────────────────────────────── */
[hidden] { display: none !important; }
.modal-open { overflow: hidden; }

/* Gradient border glow on recorder panel */
.recorder-glow {
  position: relative;
}
.recorder-glow::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.5;
  pointer-events: none;
}