:root {
  --bg: #e9ebec;
  --bg-panel: #f2f3f4;
  --surface: #fafbfb;
  --border: #c7cdd1;
  --border-strong: #a5adb3;
  --ink: #1c2226;
  --ink-muted: #626b71;
  --accent: #3c5a68;
  --accent-ink: #2a4048;
  --accent-soft: #e2e8ea;
  --good: #3f6b4f;
  --good-soft: #dfe8e0;
  --warn: #92702e;
  --warn-soft: #ece3cd;
  --off: #838a8e;
  --off-soft: #e2e5e6;
  --shadow: 0 10px 24px rgba(28, 34, 38, 0.08);

  --font-ui: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "IBM Plex Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #171a1c;
    --bg-panel: #1d2124;
    --surface: #22262a;
    --border: #363b3f;
    --border-strong: #4b5155;
    --ink: #e4e7e9;
    --ink-muted: #9aa1a5;
    --accent: #7fa3b3;
    --accent-ink: #a3c1cd;
    --accent-soft: #263238;
    --good: #7fa88e;
    --good-soft: #24302a;
    --warn: #c2a05a;
    --warn-soft: #332c1c;
    --off: #7d848a;
    --off-soft: #26292c;
    --shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
  }
}

:root[data-theme="dark"] {
  --bg: #1b1815;
  --bg-panel: #221e19;
  --surface: #262119;
  --border: #3d362b;
  --border-strong: #574c3a;
  --ink: #ece4d4;
  --ink-muted: #a89a7f;
  --accent: #e0993f;
  --accent-ink: #f0b567;
  --accent-soft: #3a2c17;
  --good: #90ab63;
  --good-soft: #2c331e;
  --warn: #dba13c;
  --warn-soft: #3a2e18;
  --off: #7a7057;
  --off-soft: #2a251c;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: -1px -1px;
  color: var(--ink);
  min-height: 100vh;
  padding: 44px 20px 60px;
  font-family: var(--font-ui);
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
}

.header {
  margin-bottom: 26px;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 18px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-ink);
  margin: 0 0 10px;
  font-family: var(--font-mono);
}

.header h1 {
  font-size: 32px;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.sub {
  color: var(--ink-muted);
  font-size: 15px;
  max-width: 640px;
  margin: 0;
  line-height: 1.5;
}

.console {
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
  padding: 0;
}

.grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
}

@media (max-width: 760px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.deck-label {
  margin: 0;
  padding: 14px 28px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--border);
}

.control-deck {
  padding: 6px 28px 28px;
  border-right: 1px solid var(--border-strong);
}

@media (max-width: 760px) {
  .control-deck {
    border-right: none;
    border-bottom: 1px solid var(--border-strong);
  }
}

.field {
  margin: 24px 0 0;
  border: none;
  padding: 0;
}

.field label,
.field legend {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 8px;
  padding: 0;
  letter-spacing: 0.01em;
}

.field-index {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-ink);
  background: var(--accent-soft);
  border: 1px solid var(--border-strong);
  padding: 1px 5px;
  line-height: 1.5;
}

.field .unit {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent-ink);
  font-variant-numeric: tabular-nums;
}

.field select {
  width: 100%;
  padding: 10px 34px 10px 12px;
  font-size: 14px;
  font-family: var(--font-ui);
  border: 1px solid var(--border-strong);
  border-radius: 0;
  background-color: var(--surface);
  color: var(--ink);
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-muted) 50%), linear-gradient(135deg, var(--ink-muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) calc(1em + 2px), calc(100% - 15px) calc(1em + 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.field select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.field input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  height: 22px;
}

.checkboxes {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  font-size: 14px;
  margin-bottom: 0;
  cursor: pointer;
}

.checkbox input[type="checkbox"] {
  width: 17px;
  height: 17px;
  accent-color: var(--accent);
  cursor: pointer;
}

.readout {
  padding-bottom: 8px;
  background: var(--surface);
}

.metric {
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
}

.metric:last-child {
  border-bottom: none;
}

.metric-label {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--font-mono);
}

.metric-value {
  margin: 0;
  font-size: 32px;
  font-weight: 800;
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.metric--arch .metric-value--text {
  font-size: 14px;
  line-height: 1.6;
  font-weight: 500;
  color: var(--ink);
  font-family: var(--font-mono);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 12px 14px;
  white-space: normal;
}

.metric--cost {
  background: var(--accent-soft);
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 10px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
}

.feature-list .dot {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  border: 1px solid currentColor;
}

.feature-list .dot--yes {
  color: var(--good);
  background: var(--good-soft);
}
.feature-list .dot--yes::before {
  content: "\2713";
}

.feature-list .dot--no {
  color: var(--off);
  background: var(--off-soft);
}
.feature-list .dot--no::before {
  content: "\2013";
}

.feature-list .dot--warn {
  color: var(--warn);
  background: var(--warn-soft);
}
.feature-list .dot--warn::before {
  content: "!";
}

.feature-list li.unavailable {
  color: var(--ink-muted);
  border-style: dashed;
}

.footer-note {
  padding: 16px 28px;
  border-top: 1px solid var(--border-strong);
  font-size: 12px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  line-height: 1.6;
}

.page-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 13px;
  color: var(--ink-muted);
}

.page-footer a {
  color: var(--accent-ink);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-footer a:hover {
  opacity: 0.8;
}