/* ========================================================================
   VoxBox Design System — tokens
   ======================================================================== */
:root {
  color-scheme: light;

  /* Color */
  --bg: #f8f9fb;
  --bg-elevated: #ffffff;
  --surface: #ffffff;
  --surface-2: #f3f4f6;
  --border: #e5e7eb;
  --border-soft: #f3f4f6;
  --text: #1a1a2e;
  --text-dim: #6b7280;
  --text-faint: #9ca3af;
  --accent: #5b4fcf;
  --accent-2: #7c6fe8;
  --accent-soft: rgba(91, 79, 207, 0.10);
  --success: #10b981;
  --success-soft: rgba(16, 185, 129, 0.14);
  --warn: #f59e0b;
  --warn-soft: rgba(245, 158, 11, 0.14);
  --danger: #ef4444;
  --danger-soft: rgba(239, 68, 68, 0.12);

  --gradient-primary: linear-gradient(135deg, #5b4fcf 0%, #7c6fe8 100%);
  --gradient-surface: linear-gradient(180deg, rgba(0,0,0,0), rgba(0,0,0,0));

  /* Spacing — 4px grid */
  --sp-1: 0.25rem;  /* 4  */
  --sp-2: 0.5rem;   /* 8  */
  --sp-3: 0.75rem;  /* 12 */
  --sp-4: 1rem;     /* 16 */
  --sp-5: 1.25rem;  /* 20 */
  --sp-6: 1.5rem;   /* 24 */
  --sp-8: 2rem;     /* 32 */
  --sp-10: 2.5rem;  /* 40 */
  --sp-12: 3rem;    /* 48 */

  /* Radius */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-full: 999px;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-glow: 0 2px 8px rgba(91,79,207,0.30);
  --shadow-card-hover: 0 12px 32px rgba(91,79,207,0.12), 0 2px 8px rgba(0,0,0,0.06);

  /* Type scale (rem) */
  --fs-xs: 0.75rem;
  --fs-sm: 0.8125rem;
  --fs-base: 0.9375rem;
  --fs-md: 1.0625rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.625rem;
  --fs-2xl: 2.25rem;

  --sidebar-w: 15.5rem;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html { font-size: 16px; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: var(--fs-base);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

code {
  background: rgba(0,0,0,0.05);
  padding: 0.1rem 0.4rem;
  border-radius: 5px;
  font-size: 0.85em;
}

a { color: inherit; }

::selection { background: var(--accent-soft); }

/* ========================================================================
   Buttons
   ======================================================================== */
button {
  font-family: inherit;
  border: none;
  border-radius: var(--r-sm);
  padding: 0.625rem 1.125rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.12s var(--ease), opacity 0.12s var(--ease), background 0.12s var(--ease), box-shadow 0.12s var(--ease);
  color: var(--text);
  background: var(--surface-2);
}

button:hover { transform: translateY(-1px); }
button:active { transform: translateY(0); }
button:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

button.primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

button.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

button.ghost {
  background: transparent;
  color: var(--text-dim);
  padding: 0.5rem 0.75rem;
}
button.ghost:hover { color: var(--text); background: var(--surface); }

button.danger { background: var(--danger-soft); color: var(--danger); }
button.danger:hover { background: rgba(251,113,133,0.24); }

button.block { width: 100%; }
button.small { padding: 0.4rem 0.75rem; font-size: var(--fs-xs); }
button.icon-btn { padding: 0.45rem; border-radius: var(--r-sm); background: transparent; }
button.icon-btn:hover { background: var(--surface-2); }

/* ========================================================================
   Form controls
   ======================================================================== */
label {
  display: block;
  margin: var(--sp-4) 0 var(--sp-1);
  color: var(--text-dim);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

input[type="text"], input[type="password"], input[type="number"], input[type="email"], select, textarea {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--r-sm);
  padding: 0.65rem 0.85rem;
  font-size: var(--fs-base);
  font-family: inherit;
  transition: border-color 0.12s var(--ease), box-shadow 0.12s var(--ease);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

textarea { resize: vertical; }

/* ========================================================================
   Layout shell
   ======================================================================== */
.view { min-height: 100vh; }

/* ---- Login ---- */
#view-login {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  min-height: 100vh;
}

@media (max-width: 900px) {
  #view-login { grid-template-columns: 1fr; }
  .login-showcase { display: none; }
}

.login-showcase {
  background: radial-gradient(circle at 15% 10%, rgba(91,79,207,0.10), transparent 55%),
              radial-gradient(circle at 85% 90%, rgba(124,111,232,0.08), transparent 55%),
              var(--bg-elevated);
  padding: var(--sp-10) var(--sp-10);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--sp-8);
  border-right: 1px solid var(--border-soft);
}

.showcase-copy h1 { font-size: var(--fs-2xl); margin: 0 0 var(--sp-2); letter-spacing: -0.02em; }
.showcase-copy p { color: var(--text-dim); margin: 0; font-size: var(--fs-md); max-width: 32ch; }

.showcase-samples {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.preview-box {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  padding: var(--sp-4);
  box-shadow: var(--shadow-sm);
}
.preview-box label { margin-top: 0; }

.sample-card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  padding: var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  box-shadow: var(--shadow-sm);
}

.sample-card .avatar {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--r-full);
  background: var(--gradient-primary);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
}

.sample-card .sample-body { flex: 1; min-width: 0; }
.sample-card .sample-name { font-weight: 600; font-size: var(--fs-sm); }
.sample-card .sample-meta { color: var(--text-faint); font-size: var(--fs-xs); margin-top: 0.1rem; }
.sample-card audio { width: 100%; height: 2rem; margin-top: var(--sp-2); }

.login-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-6);
}

.login-shell { width: 100%; max-width: 24rem; }

.brand { display: flex; align-items: center; gap: var(--sp-3); margin-bottom: var(--sp-8); }

.brand-mark {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--r-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: var(--fs-lg);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.brand-mark.small { width: 1.75rem; height: 1.75rem; border-radius: var(--r-sm); font-size: var(--fs-sm); }

.brand h1 { margin: 0; font-size: var(--fs-lg); letter-spacing: -0.01em; }
.subtitle { color: var(--text-faint); margin: 0.15rem 0 0; font-size: var(--fs-xs); }

.role-tabs {
  display: flex;
  gap: var(--sp-1);
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  padding: var(--sp-1);
  margin-bottom: var(--sp-5);
}

.role-tab {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 0.6rem;
  border-radius: var(--r-sm);
  font-size: var(--fs-sm);
  font-weight: 600;
}

.role-tab.active { background: var(--accent-soft); color: var(--text); }

.login-card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  box-shadow: var(--shadow-md);
}

/* ---- App shell: sidebar + content ---- */
#view-app { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  padding: var(--sp-5) var(--sp-3);
  position: sticky;
  top: 0;
  height: 100vh;
  transition: width 0.18s var(--ease);
}

.sidebar.collapsed { width: 4.25rem; }
.sidebar.collapsed .sidebar-brand span:not(.brand-mark),
.sidebar.collapsed .nav-section-label,
.sidebar.collapsed .nav-links button .label,
.sidebar.collapsed .user-chip .who,
.sidebar.collapsed #logout-btn { display: none; }
.sidebar.collapsed .nav-links button { justify-content: center; }
.sidebar.collapsed .user-chip { justify-content: center; }
.sidebar.collapsed .sidebar-brand { justify-content: center; }

.sidebar-brand { display: flex; align-items: center; gap: var(--sp-2); padding: 0 var(--sp-2); margin-bottom: var(--sp-8); font-weight: 700; font-size: var(--fs-md); }

.sidebar-collapse-btn { align-self: flex-end; margin-bottom: var(--sp-2); }

.nav-section-label {
  font-size: var(--fs-xs);
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0 var(--sp-2);
  margin-bottom: var(--sp-2);
  font-weight: 700;
}

.nav-links { display: flex; flex-direction: column; gap: var(--sp-1); margin-bottom: var(--sp-6); }

.nav-links button {
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 0.6rem 0.7rem;
  border-radius: var(--r-sm);
  font-size: var(--fs-sm);
  font-weight: 500;
  text-align: left;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  transform: none;
}

.nav-links button .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--text-faint);
  flex-shrink: 0;
}

.nav-links button:hover { background: var(--surface); color: var(--text); transform: none; }

.nav-links button.active {
  background: var(--accent-soft);
  color: var(--text);
}
.nav-links button.active .dot { background: var(--accent); box-shadow: 0 0 8px var(--accent); }

.nav-links button .nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: var(--fs-xs);
  font-weight: 700;
  padding: 1px 7px;
  border-radius: var(--r-full);
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-soft);
  padding-top: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.user-chip {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2);
  border-radius: var(--r-sm);
}

.user-chip .avatar {
  width: 2rem; height: 2rem; border-radius: 50%;
  background: var(--gradient-primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: var(--fs-xs); color: #fff; flex-shrink: 0;
}

.user-chip .who { min-width: 0; }
.user-chip .name { font-size: var(--fs-sm); font-weight: 600; }
.user-chip .role { font-size: var(--fs-xs); color: var(--text-faint); text-transform: capitalize; }

.content { flex: 1; min-width: 0; }

.page {
  max-width: 68rem;
  margin: 0 auto;
  padding: var(--sp-8) var(--sp-6) var(--sp-12);
  display: none;
  flex-direction: column;
  gap: var(--sp-6);
}

.page.active { display: flex; }

.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--sp-4); }
.page-head h2 { margin: 0 0 0.2rem; font-size: var(--fs-xl); font-weight: 700; letter-spacing: -0.02em; }
.page-head p.meta { margin: 0; }

.meta { color: var(--text-faint); font-size: var(--fs-xs); }

/* ========================================================================
   Cards & grids
   ======================================================================== */
.card {
  background: var(--surface);
  background-image: var(--gradient-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  box-shadow: var(--shadow-sm);
}

.card h3 { margin: 0 0 var(--sp-3); font-size: var(--fs-base); }

.two-col { display: grid; grid-template-columns: 1.3fr 1fr; gap: var(--sp-5); align-items: start; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15.5rem, 1fr));
  gap: var(--sp-4);
}

.voice-card {
  background: var(--surface);
  background-image: var(--gradient-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease), transform 0.15s var(--ease);
}

.voice-card:hover { border-color: var(--accent); box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }

.voice-card .card-top { display: flex; align-items: flex-start; gap: var(--sp-3); }
.voice-card .voice-name { font-weight: 600; font-size: var(--fs-md); }
.voice-card .voice-owner { color: var(--text-faint); font-size: var(--fs-xs); margin-top: 0.15rem; }

.voice-card.expandable .card-top:hover .voice-name { color: var(--accent); }

.voice-avatar {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--r-md);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--fs-md);
  color: #fff;
}

.voice-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  padding-top: var(--sp-3);
  margin-top: var(--sp-1);
  border-top: 1px solid var(--border-soft);
}
.voice-card-footer.stack { flex-direction: column; align-items: stretch; gap: var(--sp-2); }
.voice-card-footer.stack .select-row { justify-content: space-between; }
.voice-price { font-weight: 700; font-size: var(--fs-base); color: var(--accent); }
.voice-price-unit { font-size: var(--fs-xs); color: var(--text-faint); font-weight: 400; }
.voice-cta { font-size: var(--fs-xs); font-weight: 600; color: var(--accent); }

.tag-consent { background: var(--success-soft); color: #065f46; }

.toggle-checkbox {
  appearance: none;
  -webkit-appearance: none;
  width: 2.75rem;
  height: 1.5rem;
  background: var(--border);
  border-radius: var(--r-full);
  position: relative;
  cursor: pointer;
  transition: background 0.15s var(--ease);
  flex-shrink: 0;
  margin: 0;
}
.toggle-checkbox::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 1.25rem; height: 1.25rem;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.15s var(--ease);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.toggle-checkbox:checked { background: var(--success); }
.toggle-checkbox:checked::after { transform: translateX(1.25rem); }
.voice-history {
  border-top: 1px solid var(--border-soft);
  margin-top: var(--sp-1);
  padding-top: var(--sp-3);
}

.price-tag {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.25rem 0.6rem;
  border-radius: var(--r-full);
  white-space: nowrap;
}

.tags { display: flex; flex-wrap: wrap; gap: var(--sp-1); }
.pill {
  font-size: var(--fs-xs);
  background: var(--surface-2);
  border-radius: var(--r-full);
  padding: 0.2rem 0.6rem;
  color: var(--text-dim);
  font-weight: 500;
}

audio {
  width: 100%;
  height: 2.25rem;
  border-radius: var(--r-full);
}
audio::-webkit-media-controls-panel { background: var(--bg-elevated); }

/* ========================================================================
   Custom audio player (play button + waveform)
   ======================================================================== */
.audio-player {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: var(--surface-2);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background 0.15s var(--ease);
  user-select: none;
}
.audio-player:hover { background: var(--accent-soft); }
.audio-player.playing { background: var(--accent-soft); }

.audio-play-btn {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  box-shadow: var(--shadow-glow);
  transition: transform 0.15s var(--ease);
  font-size: 0.75rem;
}
.audio-player:hover .audio-play-btn { transform: scale(1.05); }
.audio-player.playing .audio-play-btn { background: var(--danger); box-shadow: none; }

.audio-waveform {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 2rem;
}
.audio-waveform .bar {
  flex: 1;
  background: var(--accent);
  opacity: 0.4;
  border-radius: 2px 2px 0 0;
  transition: opacity 0.15s var(--ease);
}
.audio-player.playing .audio-waveform .bar { opacity: 0.8; }
.audio-player.playing .audio-waveform .bar:nth-child(odd) { animation: wavePulse 0.6s ease-in-out infinite; }
.audio-player.playing .audio-waveform .bar:nth-child(even) { animation: wavePulse 0.6s ease-in-out 0.3s infinite; }

@keyframes wavePulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

.audio-duration { font-size: var(--fs-xs); color: var(--text-faint); font-variant-numeric: tabular-nums; flex-shrink: 0; }

/* ========================================================================
   Stat tiles
   ======================================================================== */
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); gap: var(--sp-4); }

.stat-tile {
  background: var(--surface);
  background-image: var(--gradient-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  position: relative;
  overflow: hidden;
}

.stat-tile.accent::before {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 3px;
  background: var(--gradient-primary);
}

.stat-tile .value { font-size: var(--fs-2xl); font-weight: 800; letter-spacing: -0.02em; }
.stat-tile .label { color: var(--text-faint); font-size: var(--fs-xs); margin-top: var(--sp-1); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.stat-tile .delta { font-size: var(--fs-xs); font-weight: 600; margin-top: var(--sp-2); display: inline-flex; align-items: center; gap: 0.2rem; }
.stat-tile .delta.up { color: var(--success); }
.stat-tile .delta.warn { color: var(--warn); }

/* ========================================================================
   Lists
   ======================================================================== */
.list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--sp-2); }

.list li {
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  padding: var(--sp-3) var(--sp-4);
  background: var(--bg-elevated);
  transition: border-color 0.12s var(--ease);
}
.list li:hover { border-color: var(--border); }

.list .row-top { display: flex; justify-content: space-between; align-items: center; gap: var(--sp-2); }

.empty {
  color: var(--text-faint);
  font-size: var(--fs-sm);
  border: 1px dashed var(--border);
  border-radius: var(--r-md);
  padding: var(--sp-5);
  text-align: center;
  background: transparent;
  grid-column: 1 / -1;
}

.error { color: var(--danger); min-height: 1.2em; font-size: var(--fs-sm); }

/* Checkbox row for bulk-select */
.select-row { display: flex; align-items: center; gap: var(--sp-2); }
.select-row input[type="checkbox"]:not(.toggle-checkbox) { width: auto; accent-color: var(--accent); }

/* ========================================================================
   Status badges
   ======================================================================== */
.status-badge {
  font-size: var(--fs-xs);
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--r-full);
  text-transform: capitalize;
  white-space: nowrap;
}
.status-approved { background: var(--success-soft); color: var(--success); }
.status-denied { background: var(--danger-soft); color: var(--danger); }
.status-pending_actor_review { background: var(--warn-soft); color: var(--warn); }

.flag-pill { background: var(--warn-soft); color: var(--warn); font-size: var(--fs-xs); font-weight: 600; border-radius: var(--r-full); padding: 0.15rem 0.55rem; }
.flag-pill.blocked { background: var(--danger-soft); color: var(--danger); }

/* ========================================================================
   Tag palette / consent checklist
   ======================================================================== */
.tag-palette { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin-bottom: var(--sp-2); }

.tag-btn {
  background: var(--accent-soft);
  border: 1px solid transparent;
  color: var(--text);
  border-radius: var(--r-full);
  padding: 0.3rem 0.75rem;
  font-size: var(--fs-xs);
  font-weight: 600;
}
.tag-btn:hover { background: rgba(124,140,255,0.24); }

.checkbox-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  padding: 0.3rem 0.75rem;
  font-size: var(--fs-sm);
  cursor: pointer;
  font-weight: 500;
}
.checkbox-tag input { width: auto; margin: 0; accent-color: var(--accent); }
.checkbox-tag:has(input:checked) { background: var(--accent-soft); border-color: var(--accent); }

/* ========================================================================
   Phrase / recording UI
   ======================================================================== */
.phrase-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  background: var(--accent-soft);
  border: 1px dashed var(--accent);
  border-radius: var(--r-md);
  padding: var(--sp-4);
}
#phrase-text { font-size: var(--fs-md); font-weight: 600; margin: 0; }

.record-controls { display: flex; align-items: center; gap: var(--sp-3); }
#record-btn.recording { background: var(--danger); color: #fff; box-shadow: 0 0 0 6px var(--danger-soft); }

/* Cost estimate framing */
.cost-estimate {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  padding: var(--sp-3) var(--sp-4);
  margin: var(--sp-2) 0;
}
.cost-estimate .cost-value { font-weight: 700; color: var(--accent); font-size: var(--fs-md); }
.cost-estimate .cost-note { font-size: var(--fs-xs); color: var(--text-faint); }

/* ========================================================================
   Modals
   ======================================================================== */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s var(--ease);
  padding: var(--sp-4);
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  width: 100%;
  max-width: 30rem;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(8px) scale(0.98);
  transition: transform 0.18s var(--ease);
}
.modal.modal-lg { max-width: 38rem; }
.modal-overlay.open .modal { transform: translateY(0) scale(1); }

.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--sp-4); }
.modal-head h3 { margin: 0; font-size: var(--fs-lg); }

/* ========================================================================
   Popover
   ======================================================================== */
.popover-wrap { position: relative; display: inline-block; }
.popover {
  position: absolute;
  top: calc(100% + 0.4rem);
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--sp-3);
  min-width: 12rem;
  box-shadow: var(--shadow-md);
  z-index: 50;
  display: none;
  flex-direction: column;
  gap: var(--sp-1);
}
.popover.open { display: flex; }
.popover button { justify-content: flex-start; background: transparent; color: var(--text-dim); font-weight: 500; }
.popover button:hover { background: var(--surface-2); color: var(--text); }
.popover button.active { background: var(--accent-soft); color: var(--text); }

/* ========================================================================
   Toasts
   ======================================================================== */
#toast-stack {
  position: fixed;
  bottom: var(--sp-5);
  right: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  z-index: 200;
  width: min(22rem, calc(100vw - 2.5rem));
}

.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--r-md);
  padding: var(--sp-3) var(--sp-4);
  box-shadow: var(--shadow-md);
  font-size: var(--fs-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  animation: toast-in 0.2s var(--ease);
}
.toast.success { border-left-color: var(--success); }
.toast.warn { border-left-color: var(--warn); }
.toast.danger { border-left-color: var(--danger); }
.toast .toast-msg { flex: 1; }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(12px); }
  to { opacity: 1; transform: translateX(0); }
}
.toast.leaving { animation: toast-out 0.15s var(--ease) forwards; }
@keyframes toast-out { to { opacity: 0; transform: translateX(12px); } }

/* Optimistic pending state */
.list li.pending { opacity: 0.6; }
.list li.pending .status-badge { background: var(--surface-2); color: var(--text-faint); }

/* Skeleton loading */
.skeleton {
  border-radius: var(--r-lg);
  background: linear-gradient(90deg, var(--surface) 25%, var(--surface-2) 37%, var(--surface) 63%);
  background-size: 400% 100%;
  animation: skeleton-loading 1.4s ease infinite;
  height: 10rem;
}
@keyframes skeleton-loading {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

/* ========================================================================
   Spinner
   ======================================================================== */
.spinner {
  display: inline-block;
  width: 0.9em;
  height: 0.9em;
  border: 2px solid var(--border);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: -0.15em;
  margin-right: 0.5em;
}
button.primary .spinner { border-color: rgba(255, 255, 255, 0.35); }
@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .spinner { animation-duration: 1.4s; }
}

.list li.pending .status-badge {
  display: inline-flex;
  align-items: center;
}
.list li.pending .status-badge .spinner {
  width: 0.75em;
  height: 0.75em;
  margin-right: 0.4em;
  border-width: 1.5px;
}

/* Scrollbar (subtle) */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: var(--r-full); }
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }