:root {
  --bg: #f6f7f5;
  --surface: #ffffff;
  --text: #1f2a2e;
  --muted: #5b676b;
  --line: #dfe4e1;
  --accent: #1f6f5c;
  --accent-strong: #165445;
  --accent-soft: #e6f2ee;
  --warn: #8a5a00;
  --warn-soft: #fdf4e3;
  --danger: #a3302a;
  --danger-soft: #fbeceb;
  --focus: #2b59c3;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(20, 40, 35, .06), 0 4px 16px rgba(20, 40, 35, .05);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131a1b;
    --surface: #1b2425;
    --text: #e6ecea;
    --muted: #a3b0ad;
    --line: #2e3a3b;
    --accent: #5cc2a6;
    --accent-strong: #7dd6bd;
    --accent-soft: #1f3530;
    --warn: #f0c46b;
    --warn-soft: #3a3020;
    --danger: #f08a83;
    --danger-soft: #3a2422;
    --focus: #8fb0ff;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--accent-strong); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; background: var(--surface); padding: 8px 12px; z-index: 10; }
.muted { color: var(--muted); }
h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); line-height: 1.2; margin: 28px 0 8px; letter-spacing: -.01em; }
h2 { font-size: 1.2rem; margin: 0 0 10px; }
h3 { font-size: 1.08rem; margin: 0 0 6px; line-height: 1.35; }

.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; }
nav { display: flex; gap: 4px; flex-wrap: wrap; }
nav a { text-decoration: none; color: var(--muted); padding: 8px 10px; border-radius: 8px; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); background: var(--accent-soft); }

.banner { background: var(--warn-soft); color: var(--text); border-bottom: 1px solid var(--line); padding: 10px 16px; text-align: center; }
.banner.error { background: var(--danger-soft); }

.hero { padding: 24px 0 8px; }
.lead { color: var(--muted); font-size: 1.08rem; max-width: 62ch; margin: 0 0 20px; }
.lead.small { font-size: .98rem; }
.choices { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin: 8px 0 28px; }
.choice {
  display: flex; flex-direction: column; gap: 6px; padding: 22px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow);
  text-decoration: none; color: var(--text); transition: border-color .15s, transform .15s;
}
.choice:hover { border-color: var(--accent); transform: translateY(-1px); color: var(--text); }
.choice-title { font-size: 1.2rem; font-weight: 650; color: var(--accent); }
.choice-text { color: var(--muted); }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.form { display: grid; gap: 16px; margin-bottom: 24px; }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
legend, label { font-weight: 600; }
.field { display: grid; gap: 6px; }
.field label, .field legend { margin-bottom: 2px; }
input[type="text"], input[type="number"], select, textarea {
  width: 100%; font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px;
}
textarea { resize: vertical; min-height: 84px; }
input:focus-visible, select:focus-visible, textarea:focus-visible { border-color: var(--focus); }
.radio-row { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 6px; }
.radio-row label, .checkbox-grid label, .check-all { font-weight: 400; display: inline-flex; gap: 8px; align-items: center; cursor: pointer; }
input[type="radio"], input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent); }
.checkbox-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 6px 12px; margin-top: 8px; }
.check-all { margin-top: 6px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 14px; }
.span-2 { grid-column: 1 / -1; }
.hint { color: var(--muted); }
details.optional > summary { cursor: pointer; font-weight: 600; color: var(--accent); }
.form-error { background: var(--danger-soft); color: var(--danger); padding: 10px 12px; border-radius: 8px; }

.btn {
  font: inherit; font-weight: 600; border-radius: 10px; padding: 11px 18px; cursor: pointer;
  border: 1px solid var(--line); background: var(--surface); color: var(--text);
}
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); justify-self: start; }
.btn.primary:hover { background: var(--accent-strong); }
.btn.ghost { background: transparent; }
.btn[disabled] { opacity: .6; cursor: progress; }
@media (prefers-color-scheme: dark) { .btn.primary { color: #0d1a17; } }

.results { margin-bottom: 40px; }
.results-head { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 8px; margin: 8px 0 12px; }
.notice { padding: 12px 14px; border-radius: 10px; background: var(--accent-soft); margin: 0 0 14px; }
.notice.warn { background: var(--warn-soft); }
.notice.error { background: var(--danger-soft); }
.filters { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: end; margin: 0 0 14px; padding: 14px; }
.filters .field { min-width: 170px; flex: 1 1 170px; }

.result { display: grid; gap: 10px; margin-bottom: 14px; }
.result-top { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.badges { display: flex; gap: 6px; flex-wrap: wrap; }
.badge { font-size: .8rem; padding: 2px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-strong); white-space: nowrap; }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.danger { background: var(--danger-soft); color: var(--danger); }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 8px 16px; margin: 0; }
.facts div { min-width: 0; }
.facts dt { font-size: .82rem; color: var(--muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; }
.explain { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; }
.explain section { background: var(--bg); border-radius: 10px; padding: 10px 12px; }
.explain h4 { margin: 0 0 4px; font-size: .92rem; }
.explain ul { margin: 0; padding-left: 18px; }
.explain li { margin: 2px 0; font-size: .94rem; }
.result-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; font-size: .95rem; }
.result-actions .btn { padding: 7px 12px; }
.small { font-size: .88rem; }
.excerpt { border-left: 3px solid var(--line); padding-left: 10px; color: var(--text); font-size: .94rem; margin: 4px 0; }

.status-panel { margin: 10px 0 40px; }
.status-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.status-grid .card { padding: 16px; }
.status-grid p { margin: 4px 0; }

.prose p, .prose li { max-width: 75ch; }
.prose h2 { margin-top: 18px; }
.prose h2:first-child { margin-top: 0; }

dialog { width: min(860px, calc(100vw - 24px)); max-height: calc(100vh - 32px); border: 1px solid var(--line); border-radius: var(--radius); padding: 0; background: var(--surface); color: var(--text); }
dialog::backdrop { background: rgba(10, 20, 18, .45); }
.dialog-head { position: sticky; top: 0; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 18px; background: var(--surface); border-bottom: 1px solid var(--line); }
.dialog-head h2 { margin: 0; font-size: 1.1rem; }
.dialog-body { padding: 16px 18px 24px; }
.dialog-body section { margin-bottom: 18px; }
.dialog-body h3 { font-size: 1rem; margin-bottom: 6px; }
.pre { white-space: pre-line; overflow-wrap: anywhere; }
.lot { border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin-bottom: 10px; }

.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; vertical-align: -3px; margin-right: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } .choice { transition: none; } }

.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .88rem; padding: 18px 0 28px; }
[hidden] { display: none !important; }