:root {
  color-scheme: light;
  --surface-1: #fcfcfb;
  --page: #f9f9f7;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --accent-ink: #1c5cab;
  --good: #0ca30c;
  --good-text: #006300;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --series-1: #2a78d6;
  --series-2: #1baf7a;
  --series-3: #eda100;
  --series-4: #008300;
  --series-5: #4a3aa7;
  --series-6: #e34948;
  --series-7: #e87ba4;
  --series-8: #eb6834;
  --shadow: 0 1px 3px rgba(11,11,11,0.06), 0 4px 16px rgba(11,11,11,0.05);
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --surface-1: #1a1a19;
    --page: #0d0d0d;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --baseline: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --accent-ink: #86b6ef;
    --good: #0ca30c;
    --good-text: #0ca30c;
    --series-1: #3987e5;
    --series-2: #199e70;
    --series-3: #c98500;
    --series-4: #008300;
    --series-5: #9085e9;
    --series-6: #e66767;
    --series-7: #d55181;
    --series-8: #d95926;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--page);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
}
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5rem; }
h1 { font-size: 1.7rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 .75rem; }
a { color: var(--accent-ink); }

.app { max-width: 1180px; margin: 0 auto; padding: 24px 28px 80px; }

/* Top bar */
.topbar {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 0 18px; margin-bottom: 8px;
}
.brand { font-weight: 700; font-size: 1.05rem; letter-spacing: -.01em; display: flex; align-items: center; gap: 9px; cursor: pointer; }
.brand .logo {
  width: 30px; height: 30px; border-radius: 8px; background: var(--accent);
  color: #fff; display: grid; place-items: center; font-size: 15px; font-weight: 800;
}
.topbar .spacer { flex: 1; }
.topbar .proj-name { color: var(--ink-2); font-size: .92rem; }

/* Buttons */
button {
  font: inherit; cursor: pointer; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface-1); color: var(--ink);
  padding: 8px 16px; transition: filter .12s, background .12s;
}
button:hover { filter: brightness(0.97); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: transparent; color: #fff; font-weight: 600; }
button.primary:hover { filter: brightness(1.06); }
button.danger { color: var(--critical); }
button.ghost { border-color: transparent; background: transparent; color: var(--ink-2); }
button.small { padding: 4px 10px; font-size: .85rem; }

/* Cards */
.card {
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 14px; padding: 22px; box-shadow: var(--shadow);
}
.card + .card { margin-top: 18px; }
.card h2 { margin-bottom: 4px; }
.card .sub { color: var(--ink-2); font-size: .92rem; margin-bottom: 16px; }

/* Wizard steps */
.steps { display: flex; gap: 4px; margin: 6px 0 26px; flex-wrap: wrap; }
.step {
  display: flex; align-items: center; gap: 8px; padding: 7px 14px;
  border-radius: 999px; font-size: .87rem; color: var(--muted);
  border: 1px solid transparent; white-space: nowrap;
}
.step .n {
  width: 21px; height: 21px; border-radius: 50%; display: grid; place-items: center;
  background: var(--grid); color: var(--ink-2); font-size: .75rem; font-weight: 700;
}
.step.active { color: var(--ink); font-weight: 600; border-color: var(--border); background: var(--surface-1); }
.step.active .n { background: var(--accent); color: #fff; }
.step.done { color: var(--ink-2); cursor: pointer; }
.step.done .n { background: var(--good); color: #fff; }

/* Forms */
label.field { display: block; margin-bottom: 16px; }
label.field .lbl { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 5px; }
input[type="text"], input[type="number"], input[type="password"], textarea, select {
  font: inherit; width: 100%; padding: 9px 12px; border-radius: 8px;
  border: 1px solid var(--baseline); background: var(--surface-1); color: var(--ink);
}
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
textarea { resize: vertical; }

/* Dropzone */
.dropzone {
  border: 2px dashed var(--baseline); border-radius: 12px; padding: 26px;
  text-align: center; color: var(--ink-2); cursor: pointer; transition: border-color .15s, background .15s;
}
.dropzone:hover, .dropzone.drag { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 5%, transparent); }
.dropzone .big { font-size: 1rem; font-weight: 600; color: var(--ink); }
.dropzone .hint { font-size: .82rem; margin-top: 4px; }

.filelist { list-style: none; margin: 12px 0 0; padding: 0; }
.filelist li {
  display: flex; align-items: center; gap: 10px; padding: 8px 12px;
  border: 1px solid var(--border); border-radius: 8px; margin-bottom: 6px; font-size: .9rem;
  background: var(--surface-1);
}
.filelist .fname { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.filelist .fmeta { color: var(--muted); font-size: .8rem; }
.ficon {
  width: 26px; height: 26px; border-radius: 6px; display: grid; place-items: center;
  font-size: .62rem; font-weight: 800; color: #fff; flex-shrink: 0;
}
.ficon.pdf { background: var(--critical); }
.ficon.xls { background: var(--good); }
.ficon.doc { background: var(--accent); }
.ficon.ppt { background: var(--serious); }
.ficon.other { background: var(--muted); }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--grid); vertical-align: top; }
th { color: var(--ink-2); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: none; }
.table-scroll { overflow-x: auto; }

/* Criteria editor */
.crit-row td { padding: 6px 8px; }
.crit-row input[type="text"] { padding: 6px 9px; font-size: .88rem; }
.crit-row input.w { width: 68px; text-align: right; }
.crit-row textarea { font-size: .84rem; padding: 6px 9px; min-height: 38px; }
.badge {
  display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: .72rem; font-weight: 600;
  border: 1px solid var(--border); white-space: nowrap;
}
.badge.document { color: var(--accent-ink); border-color: var(--accent-ink); }
.badge.ai-suggested { color: var(--series-5); border-color: var(--series-5); }
.badge.compliant { color: var(--good-text); border-color: var(--good-text); }
.badge.partial { color: #8a6100; border-color: #a97b00; }
.badge.non-compliant, .badge.critical { color: var(--critical); border-color: var(--critical); }
.badge.not-addressed { color: var(--muted); border-color: var(--muted); }
.weight-total { font-size: .85rem; color: var(--ink-2); }
.weight-total.bad { color: var(--critical); font-weight: 700; }

/* Weight slider row */
.weight-split { display: flex; align-items: center; gap: 16px; margin: 6px 0 4px; }
.weight-split input[type="range"] { flex: 1; accent-color: var(--accent); }
.weight-split .wv { min-width: 130px; font-variant-numeric: tabular-nums; font-weight: 600; }

/* Toggle */
.toggle { display: flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; }
.toggle input { width: 18px; height: 18px; accent-color: var(--accent); }

/* Bidder cards */
.bidder-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 16px; }
.bidder-card { border: 1px solid var(--border); border-radius: 12px; padding: 16px; background: var(--surface-1); }
.bidder-card .bname { display: flex; gap: 8px; align-items: center; margin-bottom: 10px; }
.bidder-card .bname .dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.bidder-card .bname input { font-weight: 600; }

/* Progress / status */
.runlist { list-style: none; margin: 0; padding: 0; }
.runlist li { display: flex; align-items: center; gap: 12px; padding: 12px 6px; border-bottom: 1px solid var(--grid); }
.runlist li:last-child { border-bottom: none; }
.runlist .st { width: 26px; height: 26px; display: grid; place-items: center; flex-shrink: 0; }
.spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2.5px solid var(--grid); border-top-color: var(--accent);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.check { color: var(--good); font-weight: 800; font-size: 1.05rem; }
.err { color: var(--critical); font-weight: 800; }
.runlist .msg { color: var(--ink-2); font-size: .85rem; }

.banner {
  padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; font-size: .9rem;
  border: 1px solid var(--border);
}
.banner.error { border-color: var(--critical); color: var(--critical); }
.banner.info { border-color: var(--accent); color: var(--accent-ink); }

/* Dashboard */
.dash-tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--grid); margin-bottom: 20px; flex-wrap: wrap; }
.dash-tab {
  padding: 9px 16px; border: none; background: none; border-radius: 8px 8px 0 0;
  color: var(--ink-2); font-size: .92rem; border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.dash-tab.active { color: var(--ink); font-weight: 600; border-bottom-color: var(--accent); }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; margin-bottom: 18px; }
.tile { background: var(--surface-1); border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px; }
.tile .t-label { font-size: .78rem; color: var(--ink-2); text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
.tile .t-value { font-size: 1.7rem; font-weight: 700; margin-top: 2px; letter-spacing: -.01em; }
.tile .t-sub { font-size: .82rem; color: var(--muted); margin-top: 2px; }
.tile.winner { border-color: var(--good); }

.chart-box { position: relative; width: 100%; }
.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 900px) { .chart-grid { grid-template-columns: 1fr; } }

.legend-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; }

.score-pill {
  display: inline-block; min-width: 44px; text-align: center; padding: 2px 8px;
  border-radius: 7px; font-weight: 700; font-variant-numeric: tabular-nums; font-size: .88rem;
}

/* Detail sections */
details.acc { border: 1px solid var(--border); border-radius: 10px; margin-bottom: 10px; background: var(--surface-1); }
details.acc summary { padding: 12px 16px; cursor: pointer; font-weight: 600; list-style: none; display: flex; align-items: center; gap: 10px; }
details.acc summary::-webkit-details-marker { display: none; }
details.acc summary::after { content: "▸"; margin-left: auto; color: var(--muted); transition: transform .15s; }
details.acc[open] summary::after { transform: rotate(90deg); }
details.acc .acc-body { padding: 0 16px 16px; }

ul.flat { margin: 6px 0; padding-left: 20px; }
ul.flat li { margin-bottom: 5px; }

.evidence { color: var(--muted); font-size: .82rem; font-style: italic; }

/* Project list on landing */
.proj-list { list-style: none; margin: 0; padding: 0; }
.proj-list li {
  display: flex; align-items: center; gap: 14px; padding: 14px 6px;
  border-bottom: 1px solid var(--grid); cursor: pointer;
}
.proj-list li:hover { background: color-mix(in srgb, var(--accent) 4%, transparent); }
.proj-list li:last-child { border-bottom: none; }
.proj-list .pname { font-weight: 600; flex: 1; }
.proj-list .pmeta { color: var(--muted); font-size: .83rem; }

.hero { text-align: center; padding: 40px 20px 34px; }
.hero h1 { font-size: 2rem; margin-bottom: 8px; }
.hero p { color: var(--ink-2); max-width: 560px; margin: 0 auto 22px; }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.45); display: grid; place-items: center; z-index: 50;
}
.modal { background: var(--surface-1); border-radius: 14px; padding: 26px; width: min(480px, 92vw); box-shadow: var(--shadow); }

.footer-nav { display: flex; justify-content: space-between; margin-top: 22px; gap: 12px; }

/* Print/export */
@media print {
  .topbar, .steps, .footer-nav, .dash-tabs, button, .no-print { display: none !important; }
  .app { max-width: none; padding: 0; }
  .card { box-shadow: none; break-inside: avoid; }
  body { background: #fff; }
  .print-only { display: block !important; }
  .dash-panel { display: block !important; }
}
.print-only { display: none; }