/* ModelFit: minimal dark UI. Real brand polish lands at M4. */
:root {
  --bg: #161618; --panel: #1e1e21; --line: #2c2c30;
  --text: #e8e8ea; --muted: #98989f; --accent: #6fb98f; --err: #e57373;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif;
}
.wrap { max-width: 70rem; margin: 0 auto; padding: 0 1.25rem; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.85em; }

.site-header { border-bottom: 1px solid var(--line); background: var(--panel); }
.site-header .wrap { display: flex; align-items: center; gap: 2rem; padding: 0.9rem 1.25rem; }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--text); }
.site-header nav { display: flex; gap: 1.25rem; }
.nav-soon { cursor: default; }
.site-footer { border-top: 1px solid var(--line); margin-top: 3rem; padding: 1.25rem 0 2rem; }

h1 { font-size: 1.9rem; margin: 0.2rem 0 0.6rem; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78rem;
  color: var(--accent); margin: 1.8rem 0 0; }
.lead { color: var(--muted); max-width: 46rem; }
.caption { color: var(--muted); font-size: 0.85rem; }

.filterbar { display: flex; flex-wrap: wrap; gap: 0.9rem; align-items: end;
  border: 1px solid var(--line); border-radius: 10px; padding: 1rem; margin: 1.2rem 0;
  background: var(--panel); }
.filterbar label { display: flex; flex-direction: column; gap: 0.25rem;
  font-size: 0.82rem; color: var(--muted); }
.filterbar input, .filterbar select {
  background: var(--bg); color: var(--text); border: 1px solid var(--line);
  border-radius: 6px; padding: 0.45rem 0.6rem; min-width: 8rem; }
.filterbar input[name="q"] { min-width: 14rem; align-self: end; }
.btn { background: var(--accent); color: #10231a; font-weight: 600; border: 0;
  border-radius: 6px; padding: 0.55rem 1.1rem; cursor: pointer; }

.deftable { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.deftable th, .deftable td { text-align: left; padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--line); vertical-align: top; }
.deftable th { color: var(--muted); font-weight: 600; font-size: 0.8rem;
  text-transform: uppercase; letter-spacing: 0.05em; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.pill { display: inline-block; background: #233328; color: var(--accent);
  border-radius: 999px; padding: 0.05rem 0.55rem; font-size: 0.78rem; }
.form-status { border-radius: 8px; padding: 0.7rem 1rem; margin: 0.8rem 0; }
.form-status.err { border: 1px solid var(--err); color: var(--err); }

/* M1: forms + panels */
h2 { font-size: 1.25rem; margin: 2.2rem 0 0.5rem; }
h3 { font-size: 1.02rem; margin: 1.6rem 0 0.4rem; }
.panel { border: 1px solid var(--line); border-radius: 10px; padding: 1rem;
  background: var(--panel); margin: 0.8rem 0 1.4rem; }
.panel.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: 0.9rem; align-items: end; }
.panel label, .field label { display: flex; flex-direction: column; gap: 0.3rem;
  font-size: 0.82rem; color: var(--muted); }
.panel input, .panel select, .panel textarea,
.field input, .field select {
  background: var(--bg); color: var(--text); border: 1px solid var(--line);
  border-radius: 6px; padding: 0.45rem 0.6rem; font: inherit; }
.panel textarea { resize: vertical; }
.checkline { flex-direction: row !important; align-items: center; gap: 0.5rem !important; }
.inline-form { display: flex; gap: 0.8rem; align-items: center; }
.field { margin-bottom: 0.9rem; }
.btn-quiet { background: transparent; color: var(--muted); border: 1px solid var(--line);
  padding: 0.3rem 0.7rem; font-size: 0.82rem; }
.btn-danger { background: transparent; color: var(--err); border: 1px solid var(--err); }
.okmsg { border: 1px solid var(--accent); color: var(--accent); }
.clip { max-width: 26rem; overflow-wrap: anywhere; }
.nowrap { white-space: nowrap; }

/* M2: run status */
.statusline { display: flex; flex-wrap: wrap; gap: 1.2rem; align-items: center;
  justify-content: space-between; }
.okmark { color: var(--accent); }
.errmark { color: var(--err); }
.warnmark { color: #ffb74d; }
.working { color: #ffb74d; }

/* M3: frontier chart (inline SVG, styled here so the SVG stays script- and style-free) */
.chartbox { padding: 0.5rem; }
.frontier { width: 100%; height: auto; display: block; }
.frontier .grid { stroke: var(--line); stroke-width: 1; }
.frontier .passbar { stroke: var(--accent); stroke-width: 1; stroke-dasharray: 5 4; opacity: 0.7; }
.frontier .tick { fill: var(--muted); font-size: 11px; }
.frontier .axis { fill: var(--muted); font-size: 12px; }
.frontier .pt-pass { fill: var(--accent); }
.frontier .pt-fail { fill: var(--err); }
.frontier .pt-screen { fill: none; stroke: var(--muted); stroke-width: 1.5; }
.frontier .pt-other { fill: var(--muted); }
.frontier .pt-win { fill: none; stroke: var(--accent); stroke-width: 2; }