:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1f242e;
  --border: #2c333f;
  --text: #e6e9ef;
  --muted: #9aa4b2;
  --accent: #4ea1ff;
  --accent-2: #57d9a3;
  --warn: #f5a623;
  --bad: #ff6b6b;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
}

body {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}

header h1 {
  margin: 0 0 4px;
  font-size: 28px;
}

.tagline,
footer p {
  color: var(--muted);
  max-width: 760px;
}

footer {
  margin-top: 40px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  font-size: 13px;
}

h2 {
  font-size: 19px;
  margin: 28px 0 12px;
}

button {
  font: inherit;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
}
button:hover:not(:disabled) {
  border-color: var(--accent);
}
button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #04121f;
  font-weight: 600;
}
button.primary:hover:not(:disabled) {
  background: #6fb4ff;
}
button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

input[type="text"] {
  font: inherit;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 14px 0;
}
.toolbar .spacer {
  flex: 1;
}

/* Benchmark selection list */
.bench-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 8px;
}
.bench-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-2);
}
.bench-item.unsupported {
  opacity: 0.55;
}
.bench-item input {
  margin-top: 3px;
}
.bench-item .name {
  font-weight: 600;
}
.bench-item .desc {
  color: var(--muted);
  font-size: 13px;
}
.bench-item .badge {
  display: inline-block;
  font-size: 11px;
  color: var(--warn);
  border: 1px solid var(--warn);
  border-radius: 6px;
  padding: 0 5px;
  margin-left: 6px;
}

/* Canvas */
#gl {
  display: block;
  width: 320px;
  height: 240px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #000;
  margin: 8px 0 4px;
  image-rendering: pixelated;
}
#gl.running {
  border-color: var(--accent);
}

/* Progress */
.progress {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
}
.bar {
  height: 8px;
  border-radius: 5px;
  background: var(--panel-2);
  overflow: hidden;
  margin: 8px 0;
}
.bar > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  width: 0;
  transition: width 0.2s;
}

/* Results table */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
th,
td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
th {
  color: var(--muted);
  font-weight: 600;
}
td.num,
th.num {
  text-align: right;
  font-family: var(--mono);
}
tr.overall {
  font-weight: 700;
}
tr.overall td {
  border-top: 2px solid var(--border);
  border-bottom: none;
}
.flag {
  color: var(--warn);
  font-size: 12px;
}
.skip {
  color: var(--muted);
  font-style: italic;
}
details.detail summary {
  cursor: pointer;
  color: var(--accent);
}
details.detail pre {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  white-space: pre-wrap;
  margin: 6px 0 0;
}

/* Compare / history */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  color: var(--muted);
}
.dropzone.over {
  border-color: var(--accent);
  color: var(--text);
}
.run-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 10px;
  margin: 0 6px 6px 0;
  font-size: 13px;
}
.run-pill button {
  padding: 0 4px;
  border: none;
  background: none;
  color: var(--muted);
}
.delta-up {
  color: var(--accent-2);
}
.delta-down {
  color: var(--bad);
}
.hidden {
  display: none !important;
}
.error {
  color: var(--bad);
}