:root {
  --bg: #f4f6fb;
  --bg-glow: rgba(79, 70, 229, 0.1);
  --surface: #ffffff;
  --surface-alt: #f8f9fd;
  --text: #0f172a;
  --muted: #667085;
  --border: #d9e1eb;
  --accent: #3b5bdb;
  --accent-soft: rgba(59, 91, 219, 0.12);
  --shadow-soft: 0 8px 24px rgba(15, 23, 42, 0.05);
  --shadow-hover: 0 12px 28px rgba(15, 23, 42, 0.1);
  --canvas-bg: linear-gradient(140deg, #ffffff 0%, #f4f8ff 100%);
}

:root[data-theme="dark"] {
  --bg: #0b1220;
  --bg-glow: rgba(59, 91, 219, 0.22);
  --surface: #121b2d;
  --surface-alt: #172237;
  --text: #e8ecf5;
  --muted: #9ca9c5;
  --border: #23324e;
  --accent: #7da1ff;
  --accent-soft: rgba(125, 161, 255, 0.18);
  --shadow-soft: 0 10px 28px rgba(2, 6, 20, 0.45);
  --shadow-hover: 0 14px 32px rgba(2, 6, 20, 0.55);
  --canvas-bg: linear-gradient(135deg, #0f1627 0%, #101b31 100%);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 6% -10%, var(--bg-glow), transparent 42%),
    radial-gradient(circle at 100% 0%, rgba(14, 165, 233, 0.08), transparent 38%),
    var(--bg);
}

.app-shell {
  max-width: 1600px;
}

.topbar {
  padding: 1rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

#sculpt-name {
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
}

.sculpt-key-badge {
  border: 1px solid var(--border);
  color: var(--accent);
  background: var(--accent-soft);
  font-weight: 600;
}

.stats-row .stat-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 48px;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  border-radius: 12px;
  padding: 0.6rem 0.75rem;
}

.stat-label {
  font-size: 0.76rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}

#stat-base-url {
  max-width: 170px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.loading-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.45rem 0.7rem;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.canvas-shell {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  padding: 0.6rem;
}

#c {
  width: 100%;
  height: min(78vh, 900px);
  min-height: 56vh;
  display: block;
  border-radius: 12px;
  background: var(--canvas-bg);
}

.summary-panel {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  padding: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

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

.toggle-caption {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

#summary {
  margin-top: 0.2rem;
  max-height: calc(100vh - 275px);
  overflow: auto;
  padding-right: 3px;
}

.layer-item {
  transition: opacity 0.18s ease;
}

.layer-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
  background: var(--surface);
}

.layer-card:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 91, 219, 0.35);
  box-shadow: var(--shadow-hover);
}

.layer-thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--surface-alt);
}

.layer-id {
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.35;
  overflow-wrap: anywhere;
  color: var(--text);
}

.copy-id-btn {
  white-space: nowrap;
  font-size: 0.7rem;
  border-radius: 8px;
}

#summary.compact-mode .layer-item {
  flex: 0 0 100%;
  max-width: 100%;
}

#summary.compact-mode .layer-card {
  flex-direction: row;
  align-items: center;
  min-height: 68px;
}

#summary.compact-mode .layer-thumb {
  width: 58px;
  height: 58px;
  aspect-ratio: auto;
  border-radius: 10px;
  margin: 6px;
}

#summary.compact-mode .card-body {
  width: 100%;
  padding: 0.45rem 0.5rem 0.45rem 0 !important;
}

#summary.compact-mode .copy-id-btn {
  padding: 0.12rem 0.42rem;
}

.form-control,
.btn,
.form-check-input,
.alert {
  border-radius: 10px;
}

.form-control {
  border-color: var(--border);
  background: var(--surface-alt);
  color: var(--text);
}

.form-control:focus {
  border-color: rgba(59, 91, 219, 0.5);
  box-shadow: 0 0 0 0.2rem rgba(59, 91, 219, 0.18);
  background: var(--surface);
  color: var(--text);
}

.btn-outline-secondary,
.btn-outline-primary {
  border-width: 1px;
}

.alert-light {
  background: var(--surface-alt);
  color: var(--muted);
}

:root[data-theme="dark"] .badge.bg-light {
  background: #1d2b44 !important;
  color: #d6e0f7 !important;
  border-color: #2c3f62 !important;
}

:root[data-theme="dark"] .btn-outline-secondary {
  color: #d2d8e7;
  border-color: #3a4d74;
}

:root[data-theme="dark"] .btn-outline-secondary:hover {
  background: #263758;
  color: #f3f6ff;
}

:root[data-theme="dark"] .btn-outline-primary {
  color: #9bb7ff;
  border-color: #4a66a8;
}

:root[data-theme="dark"] .btn-outline-primary:hover {
  background: #24385f;
}

:root[data-theme="dark"] .btn-primary {
  background: #5f82e5;
  border-color: #5f82e5;
}

@media (min-width: 992px) {
  .summary-panel {
    position: sticky;
    top: 1rem;
  }
}

@media (max-width: 991.98px) {
  #c {
    height: 64vh;
    min-height: 420px;
  }

  #summary {
    max-height: none;
  }
}

@media (max-width: 575.98px) {
  #c {
    min-height: 340px;
    height: 56vh;
  }

  .topbar {
    padding: 0.9rem;
  }
}