/* Maestro dashboard — editorial, confident, bold. Inter + JetBrains Mono.
   Generous whitespace, strict grid, one restrained accent, heavy type. */

:root {
  --ink: #16150f;
  --ink-soft: #3a382f;
  --paper: #f7f6f3;
  --card: #ffffff;
  --rule: #e3e0d8;
  --rule-strong: #16150f;
  --muted: #8a857a;
  --accent: #c0392b;
  --accent-ink: #9c2c20;
  --pass: #2e7d32;
  --fail: #c0392b;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Inter", -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow: 0 1px 2px rgba(22, 21, 15, 0.04), 0 8px 24px -16px rgba(22, 21, 15, 0.18);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 400px at 80% -10%, #efece4 0%, transparent 60%),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 500;                 /* base is medium, not regular */
  line-height: 1.55;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

strong, b { font-weight: 700; }

/* ---- masthead ---- */
.masthead {
  border-bottom: 2px solid var(--rule-strong);
  position: sticky; top: 0; z-index: 20;
  background: rgba(247, 246, 243, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
}
.masthead-inner {
  max-width: 1400px; margin: 0 auto; padding: 16px 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.wordmark {
  font-weight: 900; letter-spacing: 0.16em; font-size: 22px; margin: 0; color: var(--ink);
}
.brand-badge {
  font-family: var(--mono); font-size: 10px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent-ink);
  border: 1px solid var(--accent); border-radius: 999px; padding: 3px 9px;
}
.topnav { display: flex; gap: 22px; }
.topnav a {
  font-size: 14px; font-weight: 600; color: var(--ink-soft); text-decoration: none;
  border-bottom: 2px solid transparent; padding-bottom: 2px; transition: all .12s ease;
}
.topnav a:hover { color: var(--accent); border-color: var(--accent); }
.tagline {
  max-width: 1400px; margin: 0 auto; padding: 0 32px 18px;
  font-size: 16px; font-weight: 500; color: var(--ink-soft);
}
.tagline strong { color: var(--ink); }

/* ---- grid ---- */
.grid {
  max-width: 1400px; margin: 0 auto; padding: 32px;
  display: grid; grid-template-columns: 340px 1fr 380px; gap: 24px; align-items: start;
}
@media (max-width: 1100px) { .grid { grid-template-columns: 1fr; gap: 20px; } }

.col { min-width: 0; }
.card {
  background: var(--card); border: 1px solid var(--rule); border-radius: 14px;
  padding: 22px; box-shadow: var(--shadow);
}
.kicker {
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 14px; font-weight: 700;
}

/* ---- input ---- */
.task-input {
  width: 100%; resize: vertical; padding: 14px; font-family: var(--sans);
  font-size: 15px; font-weight: 500; border: 1.5px solid var(--rule); border-radius: 10px;
  background: #fff; color: var(--ink); transition: border-color .12s ease, box-shadow .12s ease;
}
.task-input:focus, .apikey-input:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.12);
}

.modes { border: none; padding: 18px 0 6px; margin: 0; display: grid; gap: 6px; }
.mode-opt {
  display: flex; align-items: center; gap: 10px; font-size: 14px;
  padding: 9px 11px; border: 1px solid var(--rule); border-radius: 9px; cursor: pointer;
  transition: border-color .12s ease, background .12s ease;
}
.mode-opt:hover { border-color: var(--ink-soft); background: #faf9f7; }
.mode-opt:has(input:checked) { border-color: var(--accent); background: rgba(192,57,43,0.04); }
.mode-opt input { accent-color: var(--accent); }

.auth-row { margin: 14px 0 18px; }
.apikey-input {
  width: 100%; padding: 9px 11px; border: 1.5px solid var(--rule); border-radius: 9px;
  font-family: var(--mono); font-size: 13px; font-weight: 500;
}

.actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
  font-family: var(--sans); font-size: 14px; font-weight: 700; padding: 11px 18px;
  border: 1.5px solid var(--ink); border-radius: 10px; background: #fff; color: var(--ink);
  cursor: pointer; transition: transform .08s ease, background .12s ease, color .12s ease, box-shadow .12s ease;
}
.btn:hover:not(:disabled) { transform: translateY(-1px); }
.btn:active:not(:disabled) { transform: translateY(0); }
.btn-primary { background: var(--ink); color: var(--paper); box-shadow: var(--shadow); }
.btn-primary:hover:not(:disabled) { background: var(--accent); border-color: var(--accent); }
.btn-ghost { border-color: var(--rule); font-weight: 600; }
.btn-ghost:hover:not(:disabled) { border-color: var(--ink); background: #faf9f7; }
.btn-sm { padding: 8px 13px; font-size: 13px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.status { font-family: var(--mono); font-size: 12px; font-weight: 500; color: var(--muted); margin-top: 14px; min-height: 1em; }

/* ---- timeline ---- */
.timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.timeline-empty {
  border: 1.5px dashed var(--rule); border-radius: 14px; padding: 28px 22px;
  text-align: center; font-size: 14px;
}
.node {
  border: 1px solid var(--rule); background: var(--card); border-radius: 14px; padding: 16px 18px;
  box-shadow: var(--shadow); opacity: .5;
  transition: opacity .25s ease, border-color .25s ease, transform .15s ease;
  animation: rise .3s ease both;
}
@keyframes rise { from { opacity: 0; transform: translateY(6px); } }
.node.active { opacity: 1; border-color: var(--ink); }
.node.done { opacity: 1; }
.node-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.node-role { font-weight: 800; font-size: 15px; letter-spacing: 0; text-transform: capitalize; }
.node-model { font-family: var(--mono); font-size: 12px; font-weight: 600; color: var(--accent-ink); }
.node-rationale { color: var(--ink-soft); font-size: 13.5px; font-weight: 500; margin: 8px 0 0; }
.node-output {
  font-size: 13px; font-weight: 500; white-space: pre-wrap; margin: 10px 0 0; padding-top: 10px;
  border-top: 1px solid var(--rule); display: none; color: var(--ink-soft);
}
.node.open .node-output { display: block; }
.node-meta { font-family: var(--mono); font-size: 11px; font-weight: 500; color: var(--muted); margin-top: 10px; display: flex; gap: 14px; flex-wrap: wrap; }
.toggle { cursor: pointer; font-family: var(--mono); font-size: 11px; font-weight: 600; color: var(--ink-soft); text-decoration: underline; background: none; border: none; padding: 0; margin-top: 8px; }

.badge { font-family: var(--mono); font-size: 11px; font-weight: 700; padding: 2px 8px; border: 1.5px solid currentColor; border-radius: 6px; }
.badge.pass { color: var(--pass); }
.badge.fail { color: var(--fail); }
.badge.retry { color: var(--accent); }

/* ---- answer ---- */
.answer-head { display: flex; align-items: center; justify-content: space-between; }
.verdict { font-family: var(--mono); font-size: 11px; font-weight: 700; padding: 3px 9px; border: 1.5px solid currentColor; border-radius: 6px; text-transform: uppercase; }
.verdict.verified { color: var(--pass); }
.verdict.unverified { color: var(--muted); }
.verdict.failed, .verdict.pending { color: var(--fail); }
.answer {
  border: 1px solid var(--rule); background: #fffdf9; border-radius: 12px; padding: 18px;
  font-size: 15.5px; font-weight: 500; white-space: pre-wrap; min-height: 200px; line-height: 1.7; color: var(--ink);
}
.answer.muted { color: var(--muted); font-weight: 500; }
.log-bar { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; gap: 12px; }
.totals { font-family: var(--mono); font-size: 11px; font-weight: 500; }

.muted { color: var(--muted); }

/* ---- footer ---- */
.footer {
  max-width: 1400px; margin: 28px auto 0; padding: 26px 32px 40px;
  border-top: 2px solid var(--rule-strong);
}
.footer-top { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-thesis { margin: 0 0 4px; font-size: 14px; }
.footer p { font-size: 13px; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; align-items: flex-start; }
.footer-links a { font-size: 13px; font-weight: 600; color: var(--ink-soft); text-decoration: none; border-bottom: 1.5px solid transparent; }
.footer-links a:hover { color: var(--accent); border-color: var(--accent); }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--rule);
  font-size: 12px;
}
.copyright { font-weight: 600; color: var(--ink-soft); }

/* ---- legal pages ---- */
.legal {
  max-width: 820px; margin: 0 auto; padding: 48px 32px 80px;
}
.legal h1 { font-size: 32px; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 6px; }
.legal .updated { font-family: var(--mono); font-size: 12px; font-weight: 500; color: var(--muted); margin: 0 0 32px; }
.legal h2 { font-size: 18px; font-weight: 700; margin: 32px 0 10px; }
.legal p, .legal li { font-size: 15px; font-weight: 500; color: var(--ink-soft); line-height: 1.7; }
.legal ul { padding-left: 20px; }
.legal a { color: var(--accent-ink); font-weight: 600; }
.legal .back { display: inline-block; margin-bottom: 28px; font-family: var(--mono); font-size: 13px; font-weight: 600; color: var(--ink-soft); text-decoration: none; }
.legal .back:hover { color: var(--accent); }

@media (max-width: 640px) {
  .masthead-inner, .tagline, .grid, .footer { padding-left: 18px; padding-right: 18px; }
  .masthead-inner { flex-wrap: wrap; gap: 10px 16px; }
  .brand-badge { display: none; }
  .topnav { gap: 18px; font-size: 13px; }
  .wordmark { font-size: 19px; }
  .tagline { font-size: 15px; }
}