/* ── MAIN LAYOUT ── */
.sigil-main {
  padding: 2rem 1.5rem 5rem;
}

.sigil-layout {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 1.5rem;
  max-width: 960px;
  margin: 0 auto;
  align-items: start;
}

/* ── CANVAS PANEL ── */
.canvas-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  border-top: 2px solid var(--accent);
  padding: 1.25rem;
}

.canvas-panel canvas {
  width: 100%;
  aspect-ratio: 1;
  display: block;
  border: 1px solid var(--border);
  background: transparent;
}

.canvas-actions {
  display: flex;
  gap: 0.75rem;
  width: 100%;
  justify-content: center;
}

.canvas-actions .btn {
  flex: 1;
  max-width: 160px;
}

/* ── SETTINGS PANEL ── */
.settings-panel {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ── SECTION (details/summary) ── */
.sigil-section {
  border-top: 1px solid var(--border2);
  padding: 0;
  overflow: hidden;
}

.sigil-summary {
  font-family: 'Cinzel Decorative', serif;
  font-size: 0.5rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 0.75rem 1rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.2s;
}

.sigil-summary::-webkit-details-marker { display: none; }

.sigil-summary::before {
  content: '✦';
  color: var(--accent);
  font-size: 0.45rem;
  flex-shrink: 0;
  transition: transform 0.2s;
}

details[open] .sigil-summary::before {
  transform: rotate(45deg);
}

.sigil-summary:hover { color: var(--text); }

.sigil-section-body {
  padding: 0.25rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-top: 1px solid var(--border);
}

/* ── FIELD ROWS ── */
.sigil-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.sigil-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  flex: 1;
  min-width: 120px;
}

.sigil-field > span {
  font-family: 'Cinzel Decorative', serif;
  font-size: 0.42rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.sigil-field > span em {
  font-style: normal;
  color: var(--gold-dim);
  margin-left: 0.4em;
}

/* ── CHECKBOXES ── */
.sigil-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
}

.sigil-checks label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--text-dim);
  cursor: pointer;
  transition: color 0.15s;
}

.sigil-checks label:hover { color: var(--text); }

.sigil-checks input[type="checkbox"] {
  appearance: none;
  width: 12px;
  height: 12px;
  border: 1px solid var(--border2);
  background: var(--black);
  flex-shrink: 0;
  cursor: pointer;
  position: relative;
  transition: border-color 0.15s;
}

.sigil-checks input[type="checkbox"]:checked {
  border-color: var(--accent);
  background: var(--accent2);
}

.sigil-checks input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  inset: 2px;
  background: var(--accent);
}

/* ── RANGE INPUTS ── */
input[type="range"] {
  appearance: none;
  width: 100%;
  height: 2px;
  background: var(--border2);
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border: 1px solid var(--accent2);
  cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
  width: 12px;
  height: 12px;
  background: var(--accent);
  border: 1px solid var(--accent2);
  cursor: pointer;
}

/* ── COLOR INPUTS ── */
input[type="color"] {
  appearance: none;
  width: 32px;
  height: 24px;
  border: 1px solid var(--border2);
  background: none;
  cursor: pointer;
  padding: 1px;
}

input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
input[type="color"]::-webkit-color-swatch { border: none; }

/* ── RESPONSIVE ── */
@media (max-width: 720px) {
  .sigil-layout {
    grid-template-columns: 1fr;
  }

  .canvas-panel canvas {
    max-width: 360px;
  }
}