:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --raised: #ffffff;
  --text: #0b0b0b;
  --text-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --accent-wash: rgba(42, 120, 214, 0.10);
  --fwd: #2a78d6;
  --mid: #eb6834;
  --def: #1baf7a;
  --gkp: #eda100;
  --a: #2a78d6;
  --b: #eb6834;
  --good: #006300;
  --bad: #d03b3b;
  --shadow: 0 1px 2px rgba(11, 11, 11, 0.04), 0 8px 24px rgba(11, 11, 11, 0.04);
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --raised: #1f1f1e;
    --text: #ffffff;
    --text-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --accent-wash: rgba(57, 135, 229, 0.16);
    --fwd: #3987e5;
    --mid: #d95926;
    --def: #199e70;
    --gkp: #c98500;
    --a: #3987e5;
    --b: #d95926;
    --good: #0ca30c;
    --bad: #e66767;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --raised: #1f1f1e; --text: #ffffff; --text-2: #c3c2b7; --muted: #898781;
  --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, 0.10); --accent: #3987e5; --accent-wash: rgba(57, 135, 229, 0.16);
  --fwd: #3987e5; --mid: #d95926; --def: #199e70; --gkp: #c98500; --a: #3987e5; --b: #d95926; --good: #0ca30c; --bad: #e66767; --shadow: none;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
a { color: var(--accent); }
code { font-size: .9em; }

.top { padding: 48px 0 8px; }
.eyebrow { margin: 0 0 6px; color: var(--accent); font-weight: 600; font-size: .85rem; letter-spacing: .02em; }
h1 { margin: 0 0 8px; font-size: clamp(1.9rem, 4.5vw, 2.7rem); line-height: 1.15; letter-spacing: -0.015em; }
.lead { margin: 0 0 28px; color: var(--text-2); max-width: 62ch; font-size: 1.02rem; }

.kpis { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.kpi { background: var(--raised); border: 1px solid var(--border); border-radius: 14px; padding: 16px 18px; box-shadow: var(--shadow); }
.kpi .label { color: var(--text-2); font-size: .85rem; }
.kpi .value { font-size: 1.9rem; font-weight: 650; line-height: 1.2; margin-top: 4px; }
.kpi .note { color: var(--muted); font-size: .82rem; margin-top: 2px; }

main { display: grid; gap: 20px; padding-top: 20px; padding-bottom: 20px; }
.card { background: var(--raised); border: 1px solid var(--border); border-radius: 16px; padding: 22px; box-shadow: var(--shadow); min-width: 0; }
.card-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
h2 { margin: 0; font-size: 1.2rem; letter-spacing: -0.005em; }
.sub { margin: 4px 0 0; color: var(--text-2); font-size: .9rem; max-width: 70ch; }
.insight { margin: 14px 0 0; padding: 10px 14px; border-radius: 10px; background: var(--accent-wash); color: var(--text); font-size: .93rem; }

.controls { display: flex; flex-wrap: wrap; gap: 12px 16px; align-items: flex-end; margin-top: 18px; }
.select { display: grid; gap: 4px; font-size: .8rem; color: var(--text-2); font-weight: 600; min-width: 200px; }
.select.grow { flex: 1 1 240px; }
select, input {
  font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 10px; padding: 9px 12px; width: 100%;
}
select:focus, input:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font: inherit; font-size: .85rem; padding: 7px 12px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); color: var(--text-2);
}
.chip[aria-checked="true"] { background: var(--text); color: var(--page); border-color: var(--text); }
.ghost {
  font: inherit; font-size: .85rem; white-space: nowrap; padding: 7px 12px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--border); background: transparent; color: var(--text-2);
}
.ghost:hover, .chip:hover { border-color: var(--axis); }

.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 14px; font-size: .85rem; color: var(--text-2); }
.legend:empty { display: none; }
.legend .key { display: inline-flex; align-items: center; gap: 6px; }
.legend .sw { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }

.chart { margin-top: 10px; position: relative; }
.chart svg, .multiples svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart text, .multiples text { font-family: inherit; }
.tick { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.lbl { fill: var(--text-2); font-size: 12px; }
.lbl-strong { fill: var(--text); font-size: 12px; font-weight: 600; }
.val { fill: var(--text); font-size: 12px; font-variant-numeric: tabular-nums; }
.gridline { stroke: var(--grid); stroke-width: 1; }
.baseline { stroke: var(--axis); stroke-width: 1; }
.guide { stroke: var(--axis); stroke-width: 1; stroke-dasharray: 4 4; }
.dot { stroke: var(--raised); stroke-width: 2; }
.hit { fill: transparent; cursor: pointer; }
.dim { opacity: .25; }

.multiples { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); margin-top: 16px; }
.panel { border: 1px solid var(--border); border-radius: 12px; padding: 12px 12px 6px; background: var(--surface); }
.panel h3 { margin: 0; font-size: .92rem; }
.panel .r { color: var(--text-2); font-size: .82rem; font-variant-numeric: tabular-nums; }
.panel .r strong { color: var(--text); }

.profile-cards { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin-top: 16px; }
.pcard { border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; background: var(--surface); display: grid; gap: 8px; }
.pcard .who { display: flex; align-items: center; gap: 10px; font-weight: 650; font-size: 1.05rem; }
.pcard .who .sw { width: 12px; height: 12px; border-radius: 4px; }
.pcard .pos { color: var(--text-2); font-weight: 400; font-size: .85rem; }
.pcard dl { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin: 0; }
.pcard dt { color: var(--muted); font-size: .75rem; }
.pcard dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; }

.table-view { margin-top: 14px; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--grid); white-space: nowrap; }
th { color: var(--text-2); font-weight: 600; }
td.n, th.n { text-align: right; font-variant-numeric: tabular-nums; }

.tooltip {
  position: fixed; z-index: 10; pointer-events: none; max-width: 260px;
  background: var(--raised); color: var(--text); border: 1px solid var(--border); border-radius: 10px;
  padding: 8px 10px; font-size: .82rem; box-shadow: 0 6px 24px rgba(0, 0, 0, .16);
}
.tooltip b { display: block; margin-bottom: 2px; }
.tooltip .row { display: flex; justify-content: space-between; gap: 14px; color: var(--text-2); }
.tooltip .row span:last-child { color: var(--text); font-variant-numeric: tabular-nums; }

.foot { color: var(--text-2); font-size: .85rem; padding-bottom: 40px; }
.foot p { margin: 6px 0; }

@media (max-width: 560px) {
  .card { padding: 16px; }
  .card-head { flex-direction: column; }
  .pcard dl { grid-template-columns: repeat(2, 1fr); }
}

/* ---- Student app additions ---- */
.layout { display: grid; gap: 20px; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); align-items: start; }
@media (max-width: 860px) { .layout { grid-template-columns: 1fr; } }
.field { display: grid; gap: 8px; margin-top: 16px; }
.field > span { font-size: .8rem; color: var(--text-2); font-weight: 600; }
.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.range-row { display: flex; align-items: center; gap: 12px; }
.range-row input[type=range] { flex: 1; padding: 0; border: 0; background: transparent; accent-color: var(--accent); }
.range-row output { min-width: 3ch; text-align: right; font-weight: 650; font-variant-numeric: tabular-nums; }
.hero { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-top: 14px; }
.hero .big { font-size: 3.4rem; font-weight: 700; line-height: 1; letter-spacing: -0.02em; }
.hero .of { color: var(--text-2); }
.meta { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--text-2); font-size: .9rem; margin-top: 10px; }
.meta strong { color: var(--text); }
.note { color: var(--muted); font-size: .82rem; margin-top: 12px; }
.pos-bar { fill: var(--accent); }
.neg-bar { fill: var(--bad); }
.stats-row { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); margin-top: 16px; }

/* ---- Property app ---- */
.area-inputs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.area-inputs label { display: grid; gap: 4px; font-size: .75rem; color: var(--muted); }
.area-inputs input { padding: 8px 10px; }
.hint { color: var(--muted); font-size: .8rem; margin-top: 6px; }
.comps { display: grid; gap: 8px; margin-top: 12px; }
.comp { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); text-decoration: none; color: inherit; }
.comp:hover { border-color: var(--axis); }
.comp .t { font-weight: 600; font-size: .9rem; }
.comp .p { font-weight: 650; text-align: right; font-variant-numeric: tabular-nums; }
.comp .m { color: var(--text-2); font-size: .8rem; }
.comp .m.r { text-align: right; }
.badge { display: inline-block; font-size: .72rem; padding: 2px 7px; border-radius: 999px; background: var(--accent-wash); color: var(--text-2); margin-left: 6px; font-weight: 500; }

[hidden] { display: none !important; }

/* ---- MediQNet demo ---- */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); gap: 8px; margin-top: 12px; }
.thumb { padding: 0; border: 2px solid transparent; border-radius: 10px; overflow: hidden; cursor: pointer; background: #000; aspect-ratio: 1; }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; opacity: .85; }
.thumb[aria-pressed="true"] { border-color: var(--accent); }
.thumb[aria-pressed="true"] img, .thumb:hover img { opacity: 1; }
.viewer { background: #000; border-radius: 12px; overflow: hidden; display: grid; place-items: center; aspect-ratio: 4 / 3; margin-top: 12px; }
.viewer img { max-width: 100%; max-height: 100%; object-fit: contain; }
.qrow { display: flex; gap: 8px; margin-top: 12px; }
.qrow input { flex: 1; }
.primary { font: inherit; font-weight: 600; padding: 9px 16px; border-radius: 10px; border: 1px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer; white-space: nowrap; }
.primary:disabled { opacity: .5; cursor: progress; }
.upload { font-size: .85rem; color: var(--text-2); margin-top: 10px; display: inline-flex; gap: 6px; align-items: center; cursor: pointer; }
.upload input { display: none; }
.answer { font-size: 1.9rem; font-weight: 700; line-height: 1.2; margin-top: 10px; }
.answer::first-letter { text-transform: uppercase; }
.status-line { color: var(--text-2); font-size: .9rem; margin-top: 6px; }
.ok { color: var(--good); font-weight: 600; }
.miss { color: var(--bad); font-weight: 600; }
.warn { margin-top: 14px; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); font-size: .85rem; color: var(--text-2); }
.arch { width: 100%; height: auto; display: block; margin-top: 14px; }