:root {
  color-scheme: dark;
  --bg: #090a09;
  --surface: #111310;
  --raised: #171a16;
  --line: #2d3029;
  --text: #f2f0e8;
  --muted: #9a9e93;
  --quiet: #676c62;
  --accent: #f3b53f;
  --accent-soft: rgba(243, 181, 63, 0.13);
  --success: #9bd56c;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}
* {
  box-sizing: border-box;
}
html,
body {
  min-width: 0;
  min-height: 100%;
  margin: 0;
}
body {
  background:
    radial-gradient(
      circle at 12% -10%,
      rgba(243, 181, 63, 0.12),
      transparent 31rem
    ),
    var(--bg);
  color: var(--text);
}
button,
input {
  font: inherit;
}
button {
  cursor: pointer;
}
button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.workspace {
  display: grid;
  min-height: 100svh;
  grid-template-rows: minmax(0, 1fr);
}
.prompt-button,
.clear-button {
  padding: 8px 10px;
  border: 1px solid #6c592f;
  border-radius: 7px;
  background: var(--accent-soft);
  color: var(--accent);
  font:
    800 10px ui-monospace,
    monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.content {
  display: grid;
  min-height: 0;
  grid-template-columns: 300px minmax(0, 1fr);
}
.content.is-collapsed {
  grid-template-columns: 68px minmax(0, 1fr);
}
.model-rail {
  position: relative;
  display: grid;
  min-height: 0;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 13px;
  padding: 18px 14px;
  border-right: 1px solid var(--line);
  background: rgba(13, 15, 12, 0.7);
}
.rail-heading {
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-label,
.model-count,
.metric dt {
  margin: 0;
  font:
    800 10px ui-monospace,
    monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.section-label {
  color: var(--accent);
}
.model-count {
  margin-left: auto;
  color: var(--quiet);
}
.clear-button {
  display: none;
  margin-left: auto;
  border-color: var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 9px;
}
.clear-button.is-visible {
  display: block;
}
.rail-toggle {
  display: grid;
  width: 27px;
  height: 27px;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--raised);
  color: var(--muted);
  font-size: 17px;
}
.search {
  width: 100%;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0b0d0a;
  color: var(--text);
}
.model-list {
  display: grid;
  align-content: start;
  gap: 5px;
  overflow: auto;
}
.model-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  padding: 9px;
  border: 1px solid transparent;
  border-radius: 8px;
}
.model-row:hover {
  background: #171914;
}
.model-row.is-selected {
  border-color: #705d30;
  background: var(--accent-soft);
}
.model-row input {
  width: 15px;
  height: 15px;
  margin: 0;
  accent-color: var(--accent);
}
.model-row strong,
.model-row span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.model-row strong {
  font-size: 12px;
}
.model-row span {
  margin-top: 2px;
  color: var(--muted);
  font:
    10px ui-monospace,
    monospace;
}
.status {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(155, 213, 108, 0.1);
}
.rail-note {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0d0f0c;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}
.collapsed-expand {
  display: none;
}
.model-rail.is-collapsed {
  display: block;
  padding: 0;
}
.model-rail.is-collapsed > :not(.collapsed-expand) {
  display: none;
}
.model-rail.is-collapsed .collapsed-expand {
  position: absolute;
  inset: 0;
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 42px;
}
.model-rail.is-collapsed .collapsed-expand:hover,
.model-rail.is-collapsed .collapsed-expand:focus-visible {
  background: var(--accent-soft);
  color: var(--accent);
  outline-offset: -4px;
}
.comparison-area {
  display: grid;
  min-width: 0;
  min-height: 0;
  grid-template-rows: auto minmax(0, 1fr);
}
.comparison-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}
.comparison-toolbar p {
  margin: 0;
}
.view-tag {
  color: var(--quiet);
  font:
    800 9px ui-monospace,
    monospace;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.preview-grid {
  display: grid;
  min-width: 0;
  min-height: 0;
  grid-template-columns: repeat(var(--selected-count, 1), minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}
.result-panel {
  display: grid;
  min-width: 0;
  min-height: 0;
  grid-template-rows: auto minmax(0, 1fr);
  background: var(--surface);
}
.panel-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 10px;
  padding: 12px;
  border-bottom: 1px solid var(--line);
}
.panel-identity h2,
.panel-identity p {
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.panel-identity h2 {
  font-size: 15px;
}
.panel-identity p {
  margin-top: 3px;
  color: var(--accent);
  font:
    700 10px ui-monospace,
    monospace;
}
.panel-actions {
  display: flex;
  gap: 5px;
}
.icon-button {
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--raised);
  color: var(--muted);
  text-decoration: none;
}
.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 10px 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #0d0f0c;
}
.metric {
  min-width: 0;
  padding: 8px;
}
.metric + .metric {
  border-left: 1px solid var(--line);
}
.metric dt {
  margin-bottom: 4px;
  color: var(--quiet);
  font-size: 8px;
}
.metric dd {
  margin: 0;
  overflow: hidden;
  color: #d7d9d1;
  font:
    700 12px ui-monospace,
    monospace;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.result-viewport {
  position: relative;
  min-height: 280px;
  overflow: hidden;
  background: #050605;
}
.result-frame {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}
.empty {
  display: grid;
  place-items: center;
  padding: 30px;
  color: var(--muted);
  text-align: center;
}
.prompt-dialog {
  width: min(680px, calc(100vw - 32px));
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
}
.prompt-dialog::backdrop {
  background: rgba(0, 0, 0, 0.66);
}
.dialog-header,
.prompt-content {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 14px;
}
.dialog-header {
  border-bottom: 1px solid var(--line);
}
.prompt-content {
  align-items: start;
}
.prompt-text {
  margin: 0;
  color: #d8d9d2;
  font-size: 13px;
  line-height: 1.45;
}
.dialog-button {
  padding: 8px 10px;
  border: 1px solid #6c592f;
  border-radius: 7px;
  background: var(--accent-soft);
  color: var(--accent);
  font:
    800 10px ui-monospace,
    monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.dialog-button:hover,
.dialog-button:focus-visible {
  border-color: var(--accent);
  background: rgba(243, 181, 63, 0.2);
  color: #ffe0a0;
}
@media (max-width: 1250px) {
  .preview-grid {
    grid-auto-flow: column;
    grid-auto-columns: minmax(360px, 1fr);
    grid-template-columns: none;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
  }
  .result-panel {
    scroll-snap-align: start;
  }
}
@media (max-width: 720px) {
  .content,
  .content.is-collapsed {
    grid-template-columns: 1fr;
  }
  .model-rail {
    grid-template-rows: auto auto;
    grid-template-columns: 1fr;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .model-list {
    display: flex;
    overflow-x: auto;
  }
  .model-row {
    min-width: 150px;
  }
  .model-rail.is-collapsed {
    min-height: 58px;
  }
  .preview-grid {
    grid-auto-columns: 86vw;
  }
  .metrics {
    grid-template-columns: 1fr;
  }
  .metric + .metric {
    border-top: 1px solid var(--line);
    border-left: 0;
  }
  .prompt-content {
    flex-direction: column;
  }
}