/* Axiom Workbench — cold calibration-bench instrument.
   Standalone product surface. Single accent. No theatre.
   Tokens: BML-BRAND-GUIDE-V1.1 § Axiom product surface */

:root {
  --bg: #090A0F;
  --bg-elev: #101218;
  --border: #1C2030;
  --text: #F0F2F8;
  --muted: #8B93A7;
  --accent: #3B82F6;
  --clear: #10B981;
  --partial: #F59E0B;
  --loss: #EF4444;
  --radius: 8px;
  --font: system-ui, "Inter", "Segoe UI", sans-serif;
  --mono: ui-monospace, "IBM Plex Mono", Menlo, monospace;

  /* Derived (not brand accents) */
  --faint: #5C6478;
  --bg-soft: #141820;
  --honest: rgba(127, 29, 29, 0.28);
  --honest-border: rgba(239, 68, 68, 0.4);
  --honest-text: #fecaca;
  --accent-hover: #60a5fa;
  --max: 1000px;
  --max-wide: 1100px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; color: var(--accent-hover); }

.skip {
  position: absolute; left: -999px; top: 0;
  background: #fff; color: #000; padding: 0.5rem 1rem;
}
.skip:focus { left: 1rem; top: 1rem; z-index: 100; }

.wrap { width: min(var(--max), calc(100% - 2rem)); margin: 0 auto; }
.wrap-wide { width: min(var(--max-wide), calc(100% - 2rem)); margin: 0 auto; }

/* —— Auth banner —— */
.auth-banner {
  margin: 1rem 0 0;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--bg-elev);
}
.auth-banner.warn {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.4);
  color: var(--partial);
}
.auth-banner.bad {
  background: var(--honest);
  border-color: var(--honest-border);
  color: var(--honest-text);
}
.auth-banner.ok {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.35);
  color: var(--clear);
}

/* —— Nav —— */
.top {
  position: sticky; top: 0; z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.top-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.85rem 0; flex-wrap: wrap;
}
.brand { display: flex; gap: 0.7rem; align-items: center; color: var(--text); }
.brand strong { display: block; letter-spacing: -0.02em; font-size: 1.02rem; }
.brand .sub { display: block; font-size: 0.78rem; color: var(--muted); font-weight: 500; }
.mark {
  width: 32px; height: 32px; flex-shrink: 0;
  display: block;
}
.mark img,
.mark svg {
  width: 32px; height: 32px; display: block;
}
.links { display: flex; gap: 0.35rem 1rem; flex-wrap: wrap; align-items: center; font-size: 0.92rem; }
.links a { color: var(--muted); font-weight: 500; text-decoration: none; }
.links a:hover { color: var(--text); text-decoration: none; }

/* —— Main —— */
main.wrap { padding: 2rem 0 1rem; }

.hero { margin-bottom: 1.5rem; }
.eyebrow {
  display: inline-flex;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 0.65rem;
  font-family: var(--mono);
}
.hero h1 {
  font-size: clamp(1.6rem, 3.5vw, 2rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
  line-height: 1.2;
}
.lede {
  color: var(--muted);
  margin: 0 0 0.75rem;
  max-width: 46rem;
  font-size: 1rem;
}
.lede strong { color: var(--text); font-weight: 600; }

/* Honest bar — red left rail */
.honest {
  background: var(--honest);
  border: 1px solid var(--honest-border);
  border-left: 3px solid var(--loss);
  color: var(--honest-text);
  border-radius: var(--radius);
  padding: 0.85rem 1.1rem;
  font-size: 0.9rem;
  margin-top: 1rem;
}
.honest strong { color: #fff; }
.honest code {
  background: rgba(0, 0, 0, 0.25);
  color: #fecaca;
  font-family: var(--mono);
}

/* Trust strip — densified instrument cards, not marketing */
.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
  margin: 1.1rem 0 0;
}
@media (max-width: 700px) {
  .trust-strip { grid-template-columns: 1fr; }
}
.trust-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
}
.trust-card .stat {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  margin: 0 0 0.3rem;
}
.trust-card h3 {
  margin: 0 0 0.25rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
}
.trust-card p {
  margin: 0;
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.45;
}
.trust-card .src {
  margin-top: 0.45rem;
  font-size: 0.72rem;
  color: var(--faint);
  font-family: var(--mono);
}

/* Panels / form */
.panel {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.35rem;
  margin-bottom: 1rem;
}
.panel h2 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.panel.quiet {
  background: transparent;
  border-color: transparent;
  padding-left: 0;
  padding-right: 0;
}

/* Verdict semantic helpers (CLEAR / PARTIAL / LOSS) */
.verdict-clear,
.status.ok { color: var(--clear); }
.verdict-partial,
.status.warn { color: var(--partial); }
.verdict-loss,
.status.bad { color: var(--loss); }

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.85rem;
}
label .hint { font-weight: 500; color: var(--faint); }

input[type="text"],
input[type="password"],
input[type="number"],
select {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font: inherit;
  font-family: var(--mono);
  font-size: 0.88rem;
  background: var(--bg);
  color: var(--text);
}
select {
  appearance: auto;
  cursor: pointer;
}
select option:disabled {
  color: var(--faint);
  font-style: italic;
}
input::placeholder { color: var(--faint); }
input:focus,
select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: transparent;
}
.domain-hint {
  margin: -0.5rem 0 0.85rem;
  font-size: 0.82rem;
  color: var(--muted);
}
.proof-line {
  border-left: 3px solid var(--accent);
  padding-left: 0.85rem;
}
.hint-inline {
  color: var(--muted);
  font-weight: 500;
}
.faint-scale {
  font-size: 0.92rem;
  color: var(--faint);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}
@media (max-width: 640px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}

fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem 0.25rem;
  margin: 0 0 1rem;
  background: var(--bg);
}
legend {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  padding: 0 0.35rem;
}
.check {
  font-weight: 500;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.check input { width: auto; margin: 0; accent-color: var(--accent); }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  padding: 0.6rem 1.1rem;
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none !important;
}
.btn:hover:not(:disabled) { filter: brightness(1.06); }
.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  filter: none;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }

.status { margin: 0; color: var(--muted); font-weight: 500; }
.status.run { color: var(--accent); }

.status-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  list-style: none;
  margin: 0 0 0.85rem;
  padding: 0;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--faint);
  font-family: var(--mono);
}
.status-steps li {
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.status-steps li.is-active {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(59, 130, 246, 0.08);
}
.status-steps li.is-done {
  color: var(--clear);
  border-color: rgba(16, 185, 129, 0.45);
}
.status-steps li.is-fail {
  color: var(--loss);
  border-color: rgba(239, 68, 68, 0.45);
}

.faq-block details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.65rem 0.9rem;
  margin: 0 0 0.5rem;
  background: var(--bg-elev);
}
.faq-block summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
}
.faq-block p {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.log {
  margin: 0.75rem 0 0;
  padding: 0.85rem;
  background: var(--bg);
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.75rem;
  overflow: auto;
  max-height: 280px;
  white-space: pre-wrap;
  word-break: break-word;
}

.rules {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.rules li { margin: 0.4rem 0; }

/* Footer */
.footer {
  margin-top: 2rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
  padding: 1.75rem 0 2.25rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr auto;
  gap: 1.5rem;
  align-items: start;
}
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer strong { color: var(--text); }
.footer p, .footer .faint {
  margin: 0.35rem 0 0;
  font-size: 0.86rem;
  color: var(--faint);
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.88rem;
}
.footer-nav a { color: var(--muted); text-decoration: none; }
.footer-nav a:hover { color: var(--text); }
.footer-cta .btn { white-space: nowrap; }

code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--bg-soft);
  color: var(--text);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}