/**
 * controls.css
 * Liminality Editorial Controls — Sidebar, dropzone, presets, and pill CTAs.
 */
.controls-panel {
  background: var(--paper);
  border-right: 1px solid var(--rule);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.dropzone {
  border: 1px solid var(--rule);
  background: var(--card);
  border-radius: var(--radius-card);
  padding: 24px 18px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.22s ease, transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}
.dropzone:hover, .dropzone.dragover {
  border-color: var(--ink);
  transform: translateY(-2px);
}
.upload-icon {
  width: 34px;
  height: 34px;
  margin: 0 auto 10px;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
}
.dropzone-title {
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 5px;
}
.dropzone-title span {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.dropzone-hint {
  font-size: 0.72rem;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}
.dropzone-hint kbd {
  background: var(--badge);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 2px 5px;
  font-size: 0.68rem;
}
.dropzone-preview {
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
}
.dropzone-preview img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  background: var(--paper);
  border-radius: var(--radius-sm);
  border: 1px solid var(--rule);
}
.thumb-meta {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.thumb-meta span:first-child {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--ink);
}
.thumb-meta .muted {
  font-size: 0.7rem;
  color: var(--muted);
  font-family: var(--font-mono);
}
.btn-icon {
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--muted);
  cursor: pointer;
  padding: 5px 9px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  transition: all 0.2s ease;
}
.btn-icon:hover {
  color: #ef4444;
  border-color: #ef4444;
  background: rgba(239, 68, 68, 0.08);
}
.section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.section-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-family: var(--font-mono);
  color: var(--muted);
  font-weight: 700;
}
.preset-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.preset-card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  padding: 12px 10px;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.22s ease, transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  gap: 8px;
  align-items: flex-start;
  color: inherit;
}
.preset-card:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}
.preset-card.active {
  border-color: var(--ink);
  background: var(--paper);
  box-shadow: inset 0 0 0 1px var(--ink);
}
.preset-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  flex-shrink: 0;
  margin-top: 2px;
}
.preset-icon svg { width: 18px; height: 18px; display: block; }
.preset-meta strong {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink);
}
.preset-meta small {
  display: block;
  font-size: 0.68rem;
  color: var(--muted);
  margin-top: 2px;
}
.tuning-accordion {
  border-top: 1px solid var(--rule);
  padding-top: 14px;
}
.tuning-accordion summary {
  cursor: pointer;
  user-select: none;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.tuning-accordion summary::-webkit-details-marker { display: none; }
.tuning-accordion summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--muted);
}
.tuning-accordion[open] summary::after { content: "−"; }
.tuning-content {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 12px;
  padding: 14px;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.74rem;
  color: var(--muted);
}
.value-display {
  font-family: var(--font-mono);
  color: var(--ink);
  font-size: 0.7rem;
  background: var(--badge);
  padding: 2px 6px;
  border-radius: var(--radius-pill);
}
input[type="range"] {
  width: 100%;
  accent-color: var(--ink);
  height: 4px;
  background: var(--rule);
  border-radius: 2px;
  cursor: pointer;
}
.btn-primary {
  margin-top: auto;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  border-radius: var(--radius-pill);
  padding: 14px 24px;
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), background 0.2s ease;
  font-family: var(--font-grotesk);
}
.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  background: #2a2922;
}
.btn-primary:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}
.ui-arrow {
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.btn-primary:hover:not(:disabled) .ui-arrow {
  transform: translate(2px, -2px);
}
.spinner {
  width: 15px;
  height: 15px;
  border: 2px solid rgba(245, 244, 239, 0.3);
  border-top-color: var(--paper);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}