/* ==========================================================================
   NeuroSlice CT Workbench — stylesheet
   Dark "lab instrument" theme. Pure CSS, no preprocessor.
   ========================================================================== */

:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2330;
  --border: #2b3444;
  --text: #e6edf3;
  --muted: #8b98a9;
  --accent: #3fb6ff;
  --accent-2: #7c5cff;
  --good: #2dc653;
  --bad: #ff4d4f;
  --warn: #ffb020;
  --mono: "SFMono-Regular", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --sans: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 13px;
}

[v-cloak] { display: none; }

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ----------------------------- Top banner ----------------------------- */
.banner {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 10px 16px;
  background: linear-gradient(90deg, #101722, #1a2233);
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}
.banner-title {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.3px;
  background: linear-gradient(90deg, #58c4ff, #9d7bff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.banner-disclaimer {
  font-size: 11px;
  font-weight: 600;
  color: var(--warn);
  letter-spacing: 0.6px;
}

/* ----------------------------- Main layout ----------------------------- */
.layout {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: 260px 1fr 300px;
  gap: 8px;
  padding: 8px;
  min-height: 0;
}

.panel {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 0;
  overflow-y: auto;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}
.card h2 {
  margin: 0 0 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  font-weight: 700;
}

.field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 10px; }
.field .label { color: var(--muted); font-size: 12px; }
.field input[type="range"] { width: 100%; accent-color: var(--accent); }

.seg { display: flex; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.seg button {
  flex: 1;
  padding: 6px 4px;
  background: var(--panel-2);
  color: var(--muted);
  border: none;
  cursor: pointer;
  font-size: 12px;
  border-right: 1px solid var(--border);
}
.seg button:last-child { border-right: none; }
.seg button.active { background: var(--accent); color: #04121f; font-weight: 700; }

.btn {
  padding: 6px 10px;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
}
.btn:hover { border-color: var(--accent); }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn-primary { background: var(--accent); color: #04121f; font-weight: 700; border-color: var(--accent); }
.btn-primary:hover { filter: brightness(1.08); }

.row-buttons { display: flex; gap: 6px; margin: 6px 0; }

.anno-row input {
  width: 100%;
  padding: 6px 8px;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
}
.hint { color: var(--muted); font-size: 11px; line-height: 1.4; margin: 6px 0; }

/* ----------------------------- Viewports ----------------------------- */
.center {
  display: grid;
  grid-template-rows: 56% 44%;
  gap: 8px;
  min-height: 0;
}
.viewport {
  position: relative;
  background: #06090f;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  min-height: 0;
}
.viewport-3d canvas { display: block; }
.view3d-status {
  position: absolute;
  left: 12px;
  bottom: 10px;
  max-width: 70%;
  padding: 5px 9px;
  background: rgba(13, 17, 23, 0.85);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  font-size: 11px;
  pointer-events: none;
}
#sliceCanvas {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: auto;
}

/* ----------------------------- Right panel ----------------------------- */
.readout { width: 100%; border-collapse: collapse; }
.readout td { padding: 3px 6px; border-bottom: 1px solid #202a38; }
.readout td.k { color: var(--muted); width: 32px; }
.readout td.num { font-family: var(--mono); text-align: right; color: #7ee2ff; }

.region-label { margin-top: 8px; }
.region-label b { color: var(--good); }

.marked { margin-top: 8px; font-family: var(--mono); color: var(--muted); font-size: 11px; }

.anno-row { display: flex; gap: 6px; margin-bottom: 8px; }
.anno-list { list-style: none; margin: 0; padding: 0; max-height: 140px; overflow-y: auto; }
.anno-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 4px 6px; border-bottom: 1px solid #202a38; font-size: 11px;
}
.anno-text { font-family: var(--mono); }
.x { color: var(--bad); cursor: pointer; padding-left: 8px; }

.collision-warn {
  color: var(--warn); font-weight: 700; font-size: 12px;
}

/* ----------------------------- Bottom benchmark panel ----------------------------- */
.bench {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 12px;
  padding: 8px 14px;
  background: var(--panel);
  border-top: 1px solid var(--border);
}
.bench h2 {
  margin: 0 0 6px; font-size: 11px; text-transform: uppercase;
  letter-spacing: 1px; color: var(--muted); font-weight: 700;
}
.bench-statuses { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 6px; }
.bench-chip {
  font-family: var(--mono); font-size: 11px; padding: 2px 7px;
  border-radius: 4px; border: 1px solid var(--border); color: var(--muted);
}
.bench-chip.pass { color: var(--good); border-color: var(--good); }
.bench-chip.fail { color: var(--bad); border-color: var(--bad); }
.bench-detail { list-style: none; margin: 6px 0 0; padding: 0; font-size: 11px; max-height: 72px; overflow-y: auto; }
.bench-detail li { padding: 1px 0; font-family: var(--mono); }
.ok { color: var(--good); } .bad { color: var(--bad); }
.muted { color: var(--muted); }

.export-buttons { display: flex; gap: 6px; flex-wrap: wrap; }
.license-placeholder { color: var(--muted); font-size: 10px; margin-top: 8px; }

/* ----------------------------- Footer attribution ----------------------------- */
.footer-attribution {
  flex: 0 0 auto;
  padding: 6px 16px;
  text-align: center;
  font-size: 10.5px;
  color: var(--muted);
  background: #0a0e15;
  border-top: 1px solid #1c2432;
}

/* ----------------------------- Scrollbars ----------------------------- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #2b3444; border-radius: 4px; }
::-webkit-scrollbar-track { background: transparent; }

/* ----------------------------- Responsive ----------------------------- */
@media (max-width: 1100px) {
  .layout { grid-template-columns: 220px 1fr 250px; }
}