/* gillcalc base stylesheet — screen + @media print 双版式（宪法原则九 / FR-012） */
:root {
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --ink: #16303a;
  --ink-soft: #48626d;
  --accent: #0e7490;
  --accent-soft: #ecfeff;
  --warn: #b45309;
  --warn-bg: #fffbeb;
  --risk: #b91c1c;
  --risk-bg: #fef2f2;
  --ok-bg: #f0fdf4;
  --line: #d7e2e6;
  --card: #ffffff;
  --bg: #f4f8f9;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

main { max-width: 880px; margin: 0 auto; padding: 1rem; }

h1 { font-size: 1.7rem; line-height: 1.25; }
h2 { font-size: 1.25rem; margin-top: 2rem; }
h3 { font-size: 1.05rem; }

a { color: var(--accent); }

.site-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.75rem 1rem; background: var(--card); border-bottom: 1px solid var(--line);
}
.site-header .brand { font-weight: 700; text-decoration: none; color: var(--ink); }
.site-header nav a { margin-left: 1rem; text-decoration: none; }

.bluf { font-size: 1.05rem; color: var(--ink-soft); }

.depth-diagram { margin: 1rem 0 0; }
.depth-diagram svg { max-width: 100%; height: auto; display: block; }

.calculator {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.25rem; margin: 1.5rem 0;
}

.calc-form fieldset {
  border: 1px solid var(--line); border-radius: var(--radius);
  margin: 0 0 1rem; padding: 0.9rem 1rem;
}
.calc-form legend { font-weight: 600; padding: 0 0.35rem; }
.calc-form label { display: block; font-size: 0.9rem; margin: 0.5rem 0 0.2rem; }

.calc-form select, .calc-form input {
  width: 100%; padding: 0.45rem 0.55rem; font-size: 1rem;
  border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink);
}

.calc-form .row { display: flex; gap: 0.75rem; }
.calc-form .row > div { flex: 1; }

.hint { font-size: 0.82rem; color: var(--ink-soft); margin: 0.5rem 0 0; }
.field-error { display: block; color: var(--risk); font-size: 0.82rem; min-height: 1em; }

.toast {
  background: var(--warn-bg); border: 1px solid var(--warn); color: var(--warn);
  border-radius: 6px; padding: 0.6rem 0.8rem; margin-bottom: 1rem;
}

.result-card { border-top: 2px solid var(--accent); margin-top: 1.25rem; padding-top: 1rem; }
.result-card[hidden] { display: none; }

/* FR-011/宪法七：红线裁决前置，理论数值降级（不藏数——标清「不推荐执行」） */
.verdict-card {
  background: var(--risk-bg); border: 2px solid var(--risk); border-radius: var(--radius);
  padding: 0.9rem 1.1rem; margin-bottom: 1rem;
}
.verdict-head { margin: 0 0 0.4rem; font-size: 1.02rem; }
.verdict-sub { margin: 0.5rem 0 0.2rem; font-weight: 600; }
.verdict-card ul { margin: 0.2rem 0 0.5rem; padding-left: 1.3rem; }
.verdict-note { margin: 0.4rem 0 0; font-size: 0.88rem; color: var(--risk); }
.has-verdict .big-number { opacity: 0.55; filter: grayscale(0.35); }

.big-numbers { display: flex; gap: 1rem; flex-wrap: wrap; margin: 0.75rem 0; }
.big-number {
  background: var(--accent-soft); border-radius: var(--radius);
  padding: 0.8rem 1.2rem; text-align: center; flex: 1; min-width: 180px;
}
.big-number .num { display: block; font-size: 1.8rem; font-weight: 700; }
.big-number .unit { font-size: 0.85rem; color: var(--ink-soft); }

.result-lines { list-style: none; padding: 0; margin: 0.5rem 0 1rem; }
.result-lines li { padding: 0.3rem 0; border-bottom: 1px dashed var(--line); font-size: 0.95rem; }
.result-lines .coarse { background: var(--ok-bg); border-radius: 6px; padding: 0.6rem 0.8rem; }

.micro-note {
  background: var(--warn-bg); border: 1px solid var(--warn); border-radius: 6px;
  padding: 0.6rem 0.8rem; margin: 0.75rem 0;
}

.bag-line { font-size: 1.05rem; }
.bag-edit { margin: 0.5rem 0 1rem; font-size: 0.9rem; }
.bag-edit input { width: 8rem; padding: 0.35rem 0.5rem; border: 1px solid var(--line); border-radius: 6px; }

.layers { padding-left: 1.4rem; }
.layers li { margin: 0.25rem 0; }

.warning { border-radius: var(--radius); padding: 0.8rem 1rem; margin: 0.75rem 0; }
.warning-risk { background: var(--risk-bg); border: 1px solid var(--risk); }
.warning-note { background: var(--warn-bg); border: 1px solid var(--warn); }
.warning-head { margin: 0 0 0.4rem; }
.warning-sub { margin: 0.5rem 0 0.2rem; font-weight: 600; font-size: 0.9rem; }
.warning ul { margin: 0.2rem 0 0.5rem; padding-left: 1.3rem; }

.badge {
  display: inline-block; font-size: 0.72rem; background: var(--line);
  border-radius: 999px; padding: 0.1rem 0.55rem; color: var(--ink-soft); white-space: nowrap;
}

.axes { list-style: none; padding: 0; }
.axes li { padding: 0.25rem 0; border-bottom: 1px dashed var(--line); }

.constraint { border-radius: 8px; padding: 0.6rem 0.8rem; margin: 0.5rem 0; }
.constraint-veto { background: var(--risk-bg); border: 1px solid var(--risk); }
.constraint-condition { background: var(--warn-bg); border: 1px solid var(--warn); }
.constraint p { margin: 0; }

.sources-inline ul { padding-left: 1.2rem; }
.sources-inline li { font-size: 0.88rem; margin: 0.3rem 0; }

.content-section { margin: 2rem 0; }
.faq-item { margin: 1rem 0; }
.faq-item h3 { margin-bottom: 0.25rem; }

.disclaimer {
  background: var(--warn-bg); border: 1px solid var(--warn);
  border-radius: var(--radius); padding: 0.8rem 1.2rem; font-size: 0.92rem;
}

.site-footer {
  text-align: center; color: var(--ink-soft); font-size: 0.85rem;
  padding: 1.5rem 1rem; border-top: 1px solid var(--line); margin-top: 2rem;
}

/* ---------- print: independent layout, content complete, no nav/ads/interactive (FR-012) ---------- */
@media print {
  body { background: #fff; font-size: 11pt; }
  main { max-width: 100%; padding: 0; }
  .no-print, .site-header nav, .toast, .bag-edit, #calc-form { display: none !important; }
  .calculator { border: none; padding: 0; }
  .big-number { border: 1pt solid #999; background: #fff; }
  .warning, .constraint, .micro-note, .disclaimer { border: 1pt solid #666; background: #fff; }
  .result-card { page-break-inside: avoid; }
  a { color: #000; text-decoration: none; }
  .site-footer { border: none; }
}