:root {
  --bg-color: #1e2233;
  --bg: linear-gradient(135deg, #222840 0%, #1a1e2e 100%);
  --shadow-dark: rgba(0, 0, 0, 0.4);
  --shadow-light: rgba(255, 255, 255, 0.06);
  --text: #e0e0e0;
  --text-muted: rgba(255, 255, 255, 0.3);
  --accent: #e86745;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  display: flex;
  justify-content: center;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.container {
  width: 100%;
  max-width: 900px;
  padding: 2rem;
}

.card {
  background: var(--bg);
  border-radius: 1rem;
  box-shadow:
    -8px -8px 16px var(--shadow-light),
    8px 8px 16px var(--shadow-dark);
  padding: 2rem;
}

.card-title {
  background: none;
  text-align: center;
  box-shadow: none;
}

.card-title h1 {
  margin: 0 0 0.4rem 0;
  font-size: 2.4rem;
  font-weight: 300;
  letter-spacing: 0.3em;
}

.card-title p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.highlight {
  color: var(--accent);
}

.card + .card {
  margin-top: 2.5rem;
}

.card h2 {
  margin: 0 0 1rem 0;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.card-actions {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.file-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  align-self: center;
}

.spacer {
  flex: 1;
}

/* Parameter inputs */
.param-group {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.5rem;
  border-radius: 0.5rem;
  background: var(--bg-color);
  box-shadow:
    inset 1px 1px 2px var(--shadow-dark),
    inset -1px -1px 2px var(--shadow-light);
}

.param-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  white-space: nowrap;
  padding-right: 0.2rem;
}

.param-unit {
  font-weight: 400;
}

.param-input {
  width: 3.2rem;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 0.8rem;
  font-family: "Cascadia Code", "Fira Code", "Consolas", monospace;
  text-align: center;
  -moz-appearance: textfield;
}

.param-input::-webkit-outer-spin-button,
.param-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Params layout */
.params-row {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.8rem;
  align-items: flex-start;
}

.params-row > .btn-well,
.params-row > .spacer {
  align-self: center;
}

.params-col {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

/* Affine matrix */
.affine-group {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.affine-group .param-label {
  padding-top: 0.35rem;
}

.affine-grid {
  display: grid;
  grid-template-columns: repeat(3, 3.2rem);
  gap: 1px;
}

.affine-grid .param-input {
  border-bottom: 1px solid var(--shadow-light);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.tag {
  background: var(--bg-color);
  padding: 0.35rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  box-shadow:
    -4px -4px 8px var(--shadow-light),
    4px 4px 8px var(--shadow-dark);
}

.tag a {
  color: var(--text);
  text-decoration: none;
}

.tag a:hover {
  color: var(--accent);
}

/* Phantom table */
.phantom-table-wrap,
.result-wrap {
  margin-top: 1.2rem;
}

.phantom-table {
  width: 100%;
  border-collapse: collapse;
  font-family: "Cascadia Code", "Fira Code", "Consolas", monospace;
  font-size: 0.75rem;
}

.phantom-table th {
  text-align: left;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--shadow-light);
}

.phantom-table td {
  padding: 0.4rem 0.6rem;
  color: var(--text-muted);
}

.phantom-table tbody tr {
  cursor: pointer;
}

.phantom-table tbody tr:hover td {
  color: var(--text);
}

.phantom-table tbody tr.selected td {
  color: var(--accent);
}

.phantom-table td + td,
.phantom-table th + th {
  text-align: right;
}

.phantom-table-empty {
  text-align: center !important;
  color: var(--text-muted) !important;
  font-style: italic;
  padding: 1.2rem 0.6rem !important;
}

/* Result table (multi-column, all right-aligned except first) */
.result-table td + td,
.result-table th + th {
  text-align: right;
}

/* Slice slider */
.slice-slider-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1rem;
  margin-bottom: 0.8rem;
}

.slice-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  white-space: nowrap;
}

.slice-slider {
  flex: 1;
  accent-color: var(--accent);
  height: 4px;
}

.slice-value {
  font-family: "Cascadia Code", "Fira Code", "Consolas", monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  min-width: 3.5rem;
  text-align: right;
}

/* Tissue image grid */
.tissue-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.8rem;
}

.tissue-cell {
  text-align: center;
}

.tissue-cell canvas {
  display: block;
  width: 100%;
  image-rendering: pixelated;
  border-radius: 0.3rem;
}

.tissue-cell-label {
  font-family: "Cascadia Code", "Fira Code", "Consolas", monospace;
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Placeholder */
.placeholder-box {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 6rem;
}

.placeholder-box h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--accent);
}

/* Shared inset card */
.inset-card {
  border-radius: 0.75rem;
  padding: 1rem 1.2rem;
  box-shadow:
    inset -8px -8px 16px var(--shadow-light),
    inset 8px 8px 16px var(--shadow-dark);
}

.inset-card h3 {
  margin: 0 0 0.6rem 0;
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--accent);
}

.btn-well {
  padding: 2px;
  border-radius: 0.65rem;
  background: var(--bg-color);
  box-shadow:
    inset 1px 1px 2px var(--shadow-dark),
    inset -1px -1px 2px var(--shadow-light);
}

.btn {
  width: 100%;
  padding: 0.7rem 1.2rem;
  border: 1px solid var(--shadow-dark);
  border-radius: 0.55rem;
  background: var(--bg-color);
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
  box-shadow:
    0 1px 2px var(--shadow-dark),
    inset 0 1px 1px var(--shadow-light),
    inset 0 -1px 1px var(--shadow-dark);
}

.btn:enabled:active {
  box-shadow:
    inset 0 1px 3px var(--shadow-dark);
}

.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn-accent {
  border-color: color-mix(in srgb, var(--accent), black 40%);
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  box-shadow:
    0 1px 2px var(--shadow-dark),
    inset 0 1px 1px color-mix(in srgb, var(--accent), white 25%),
    inset 0 -1px 1px color-mix(in srgb, var(--accent), black 25%);
}

.console {
  margin: 0;
  white-space: pre;
  overflow: hidden;
  text-overflow: ellipsis;
  background: var(--shadow-dark);
  border-radius: 0.4rem;
  padding: 0.6rem 0.8rem;
  font-family: "Cascadia Code", "Fira Code", "Consolas", monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.console::after {
  content: "\23CE";
  color: var(--accent);
  opacity: 0.6;
}

.output-console {
  height: calc(0.75rem * 1.5 * 7);
  cursor: pointer;
}

.output-console.active {
  color: var(--text);
}

.output-console.active::after {
  opacity: 1;
  animation: pulse-eof 1.2s ease-in-out infinite;
}

@keyframes pulse-eof {
  0%, 100% { color: var(--text-muted); }
  50% { color: var(--accent); }
}

/* Viewer overlay */
.viewer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.viewer-overlay.visible {
  display: flex;
}

.viewer-pane {
  width: 100%;
  max-width: 900px;
  height: 70vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow:
    0 1px 2px var(--shadow-dark),
    inset 0 1px 1px var(--shadow-light),
    inset 0 -1px 1px var(--shadow-dark);
  background: var(--bg);
}

.viewer-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.viewer-header-left {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.viewer-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.viewer-btn-well {
  border-radius: 50%;
  padding: 2px;
  width: 12px;
  height: 12px;
  display: flex;
}

.viewer-btn {
  border-radius: 50%;
  padding: 0;
  height: 100%;
  background: var(--accent);
  border-color: color-mix(in srgb, var(--accent), black 40%);
  box-shadow:
    0 1px 2px var(--shadow-dark),
    inset 0 1px 1px color-mix(in srgb, var(--accent), white 25%),
    inset 0 -1px 1px color-mix(in srgb, var(--accent), black 25%);
}

.viewer-console {
  flex: 1;
  height: auto;
  overflow: auto;
  color: var(--text);
  scrollbar-width: thin;
  scrollbar-color: var(--shadow-light) transparent;
}

.viewer-console::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.viewer-console::-webkit-scrollbar-track {
  background: transparent;
}

.viewer-console::-webkit-scrollbar-thumb {
  background: var(--shadow-light);
  border-radius: 3px;
}

.viewer-console::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}