:root {
  --bg: #0e1420;
  --surface: #171f30;
  --surface2: #1e2940;
  --border: #2c3a57;
  --ink: #eef2fa;
  --ink2: #b8c3d9;
  --muted: #8492ad;
  --accent: #ffb454;
  --accent-ink: #1a1205;
  --good-bg: #12351f; --good-fg: #7fe0a0; --good-bd: #2b6a42;
  --warn-bg: #3a2e10; --warn-fg: #ffd479; --warn-bd: #7a611f;
  --bad-bg: #3d1a1a;  --bad-fg: #ff9d9d;  --bad-bd: #7c3535;
  --radius: 12px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  background: var(--bg); color: var(--ink);
  line-height: 1.55; min-height: 100vh; display: flex; flex-direction: column;
}
.wrap { width: min(960px, 100% - 2.5rem); margin-inline: auto; }
main.wrap { flex: 1; padding-block: 2rem 3rem; }

.site-header { border-bottom: 1px solid var(--border); background: var(--surface); }
.site-header .wrap { display: flex; align-items: baseline; gap: 1rem; padding-block: .9rem; flex-wrap: wrap; }
.site-nav { margin-left: auto; display: flex; gap: .5rem; }
.nav-btn {
  background: var(--surface2); color: var(--ink); border: 1px solid var(--border);
  border-radius: 8px; font: inherit; font-size: .85rem; font-weight: 600;
  padding: .4rem .8rem; cursor: pointer;
}
.nav-btn:hover { border-color: var(--accent); }
.brand { font-size: 1.35rem; font-weight: 800; letter-spacing: -.02em; }
.brand span { color: var(--accent); }
.tagline { color: var(--muted); font-size: .85rem; }

h1 { font-size: clamp(1.5rem, 4vw, 2.1rem); margin-bottom: .4rem; letter-spacing: -.02em; }
.lede { color: var(--ink2); max-width: 60ch; margin-bottom: 1.6rem; }

form .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.span2 { grid-column: span 2; }
@media (max-width: 640px) { form .grid { grid-template-columns: 1fr; } .span2 { grid-column: span 1; } }

.field { display: flex; flex-direction: column; gap: .35rem; }
.field > span, .box-label { font-size: .85rem; font-weight: 600; color: var(--ink2); }
.field small { color: var(--muted); font-weight: 400; }
.field em { color: var(--accent); font-style: normal; }
input, select, textarea {
  background: var(--surface); border: 1px solid var(--border); color: var(--ink);
  border-radius: 8px; padding: .6rem .75rem; font: inherit; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
input[type="month"], input[type="date"] { color-scheme: dark; }

.budget-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; gap: .75rem; }
.budget-options { display: grid; grid-template-columns: 1fr auto 1.2fr; gap: 1rem; align-items: center; }
@media (max-width: 640px) { .budget-options { grid-template-columns: 1fr; } .or { text-align: center; } }
.upload-drop {
  border: 2px dashed var(--border); border-radius: var(--radius); padding: 1rem;
  text-align: center; cursor: pointer; color: var(--ink2); transition: border-color .15s;
  display: block;
}
.upload-drop:hover, .upload-drop.dragover { border-color: var(--accent); }
.upload-drop.has-file { border-style: solid; border-color: var(--accent); color: var(--ink); }
.upload-drop input[type="file"] { display: none; }
.or { color: var(--muted); font-size: .85rem; }
.sheet-url input { font-size: .85rem; }

.actions { margin-top: 1.4rem; display: flex; flex-direction: column; gap: .75rem; }
button[type="submit"], .btn {
  background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 10px;
  font: inherit; font-weight: 800; padding: .85rem 1.6rem; cursor: pointer; align-self: flex-start;
}
button[type="submit"]:hover { filter: brightness(1.08); }
button[disabled] { opacity: .55; cursor: not-allowed; }
.error { background: var(--bad-bg); color: var(--bad-fg); border: 1px solid var(--bad-bd); border-radius: 8px; padding: .6rem .9rem; font-size: .9rem; }

#loading { text-align: center; padding-block: 4rem; }
.spinner {
  width: 46px; height: 46px; margin: 0 auto 1.2rem; border-radius: 50%;
  border: 4px solid var(--border); border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.muted { color: var(--muted); }

/* ---------- Report ---------- */
.report-head { display: grid; grid-template-columns: auto 1fr; gap: 1.25rem; align-items: center; margin-bottom: 1.5rem; }
@media (max-width: 640px) { .report-head { grid-template-columns: 1fr; } }
.score-tile {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.1rem 1.4rem; text-align: center; min-width: 160px;
}
.score-tile .num { font-size: 2.6rem; font-weight: 800; letter-spacing: -.03em; line-height: 1.1; }
.score-tile .of { color: var(--muted); font-size: .8rem; }
.verdict { display: inline-block; margin-top: .5rem; padding: .25rem .8rem; border-radius: 999px; font-weight: 800; font-size: .85rem; border: 1px solid; }
.verdict.GO      { background: var(--good-bg); color: var(--good-fg); border-color: var(--good-bd); }
.verdict.CAUTION { background: var(--warn-bg); color: var(--warn-fg); border-color: var(--warn-bd); }
.verdict.NO_GO   { background: var(--bad-bg);  color: var(--bad-fg);  border-color: var(--bad-bd); }
.exec-summary { color: var(--ink2); }
.report-meta { color: var(--muted); font-size: .8rem; margin-top: .4rem; }

.report h2 { font-size: 1.15rem; margin: 1.8rem 0 .8rem; letter-spacing: -.01em; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.2rem; margin-bottom: .8rem; }

.flag-list li, .plain-list li { margin-left: 1.2rem; margin-bottom: .3rem; color: var(--ink2); }

.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table.matrix { width: 100%; border-collapse: collapse; font-size: .9rem; min-width: 520px; }
.matrix th, .matrix td { padding: .55rem .8rem; text-align: left; border-bottom: 1px solid var(--border); }
.matrix th { background: var(--surface2); color: var(--ink2); font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; }
.matrix tr:last-child td { border-bottom: 0; }
.matrix td.num { font-variant-numeric: tabular-nums; }
.chip { display: inline-flex; align-items: center; gap: .35rem; padding: .15rem .6rem; border-radius: 999px; font-size: .78rem; font-weight: 700; border: 1px solid; white-space: nowrap; }
.chip::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.chip.low    { background: var(--good-bg); color: var(--good-fg); border-color: var(--good-bd); }
.chip.medium { background: var(--warn-bg); color: var(--warn-fg); border-color: var(--warn-bd); }
.chip.high   { background: var(--bad-bg);  color: var(--bad-fg);  border-color: var(--bad-bd); }

details.risk { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: .6rem; overflow: hidden; }
details.risk summary { cursor: pointer; padding: .8rem 1.1rem; display: flex; gap: .8rem; align-items: center; font-weight: 700; list-style: none; }
details.risk summary::-webkit-details-marker { display: none; }
details.risk summary .cat { color: var(--muted); font-weight: 400; font-size: .8rem; }
details.risk .body { padding: 0 1.1rem 1rem; }
details.risk h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: .7rem 0 .3rem; }

.venues { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
@media (max-width: 700px) { .venues { grid-template-columns: 1fr; } }
.venue-card h3 { font-size: 1rem; margin-bottom: .15rem; }
.venue-card .vmeta { color: var(--muted); font-size: .8rem; margin-bottom: .45rem; }
.venue-card p { font-size: .9rem; color: var(--ink2); margin-bottom: .35rem; }
.venue-card .caveat { font-size: .82rem; color: var(--warn-fg); }
.rank { display: inline-block; background: var(--accent); color: var(--accent-ink); font-weight: 800; font-size: .75rem; border-radius: 6px; padding: .05rem .45rem; margin-right: .4rem; }

.report-actions { margin-top: 2rem; display: flex; gap: .8rem; flex-wrap: wrap; }
.btn.secondary { background: var(--surface2); color: var(--ink); border: 1px solid var(--border); }

/* ---------- History & compare ---------- */
.small { font-size: .78rem; }
.small-verdict { margin-top: 0; padding: .1rem .55rem; font-size: .72rem; }
.open-link { color: var(--accent); text-decoration: none; font-weight: 600; font-size: .85rem; white-space: nowrap; }
.open-link:hover { text-decoration: underline; }
.compare-bar { display: flex; align-items: center; gap: .9rem; margin-bottom: .9rem; flex-wrap: wrap; }
.compare-bar .btn { padding: .55rem 1.1rem; }
.history-table .sel { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }
.history-table td { vertical-align: top; }
.compare-wrap { margin-top: 1rem; }
.compare-table th { min-width: 150px; }
.compare-table th:first-child, .compare-table td:first-child { min-width: 130px; color: var(--ink2); font-weight: 600; }
.compare-table td.best { box-shadow: inset 3px 0 0 var(--accent); }
#history .lede { margin-bottom: 1.2rem; }

.site-footer { border-top: 1px solid var(--border); background: var(--surface); }
.site-footer .wrap { padding-block: .9rem; color: var(--muted); font-size: .78rem; }

@media print {
  body { background: #fff; color: #111; }
  .site-header, .site-footer, .report-actions, #form-section, #loading { display: none !important; }
  .card, details.risk, .score-tile, .table-scroll { border-color: #ccc; background: #fff; }
  details.risk { break-inside: avoid; }
  details.risk[open] summary { border-bottom: 1px solid #ccc; }
}