/* ---------------------------------------------------------------------------
 * HouseMatch — stylesheet
 * No framework, no build step. Loads straight from disk or from Vercel.
 * ------------------------------------------------------------------------- */

:root {
  --bg: #fbfaf8;
  --surface: #ffffff;
  --surface-2: #f4f2ee;
  --border: #e2ded6;
  --border-strong: #cec8bc;
  --text: #1d1b18;
  --text-2: #5c574e;
  --text-3: #8a8377;
  --accent: #2f5d50;
  --accent-soft: #e6efeb;
  --pass: #1f6b45;
  --pass-bg: #e7f3ec;
  --fail: #a32b21;
  --fail-bg: #fbeae8;
  --warn: #8a5a08;
  --warn-bg: #fdf1dc;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(29, 27, 24, .05), 0 4px 16px rgba(29, 27, 24, .04);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #16161a;
    --surface: #1e1e23;
    --surface-2: #26262c;
    --border: #33333b;
    --border-strong: #474751;
    --text: #f0eeea;
    --text-2: #b0aaa1;
    --text-3: #857f76;
    --accent: #7fc0aa;
    --accent-soft: #23342e;
    --pass: #6dc294;
    --pass-bg: #1b2f24;
    --fail: #e98a80;
    --fail-bg: #331d1b;
    --warn: #e0b263;
    --warn-bg: #332715;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 4px 16px rgba(0, 0, 0, .2);
  }
}

:root[data-theme="dark"] {
  --bg: #16161a;
  --surface: #1e1e23;
  --surface-2: #26262c;
  --border: #33333b;
  --border-strong: #474751;
  --text: #f0eeea;
  --text-2: #b0aaa1;
  --text-3: #857f76;
  --accent: #7fc0aa;
  --accent-soft: #23342e;
  --pass: #6dc294;
  --pass-bg: #1b2f24;
  --fail: #e98a80;
  --fail-bg: #331d1b;
  --warn: #e0b263;
  --warn-bg: #332715;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 4px 16px rgba(0, 0, 0, .2);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 16px; }

/* ------------------------------- header ------------------------------- */
.topbar {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky; top: 0; z-index: 40;
}
.topbar-in {
  max-width: 1060px; margin: 0 auto; padding: 12px 16px;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.brand { font-weight: 650; letter-spacing: -.01em; font-size: 17px; display: flex; align-items: baseline; gap: 8px; }
.brand small { font-weight: 400; color: var(--text-3); font-size: 12px; letter-spacing: .02em; }
.topbar nav { margin-left: auto; display: flex; gap: 4px; flex-wrap: wrap; }
.topbar nav a, .topbar nav button {
  font: inherit; font-size: 14px; color: var(--text-2);
  background: none; border: 1px solid transparent; border-radius: var(--radius-sm);
  padding: 5px 10px; cursor: pointer; text-decoration: none;
}
.topbar nav a:hover, .topbar nav button:hover { background: var(--surface-2); color: var(--text); }
.topbar nav a.on { background: var(--accent-soft); color: var(--accent); font-weight: 550; }

/* ------------------------------- layout ------------------------------- */
main { padding: 28px 0 80px; }
.lede { max-width: 72ch; }
h1 { font-size: 28px; line-height: 1.2; letter-spacing: -.02em; margin: 0 0 10px; font-weight: 650; }
h2 { font-size: 20px; letter-spacing: -.01em; margin: 34px 0 10px; font-weight: 620; }
h3 { font-size: 16px; margin: 20px 0 8px; font-weight: 600; }
p { margin: 0 0 12px; color: var(--text-2); }
p.tight { margin-bottom: 6px; }
a { color: var(--accent); }

.muted { color: var(--text-3); font-size: 13px; }
.mono { font-family: var(--mono); font-size: 13px; }

section.step { display: none; }
section.step.on { display: block; }

/* ------------------------------- cards ------------------------------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; margin: 0 0 16px;
  box-shadow: var(--shadow);
}
.card.flat { box-shadow: none; }
.card-h { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 4px; flex-wrap: wrap; }
.card-h h3 { margin: 0; }

.grid { display: grid; gap: 14px; }
@media (min-width: 720px) { .grid.g3 { grid-template-columns: repeat(3, 1fr); } .grid.g2 { grid-template-columns: repeat(2, 1fr); } }

/* ------------------------------- notices ------------------------------- */
.notice {
  border: 1px solid var(--border); border-left: 3px solid var(--accent);
  background: var(--surface-2); border-radius: var(--radius-sm);
  padding: 12px 14px; margin: 0 0 16px; font-size: 14px; color: var(--text-2);
}
.notice strong { color: var(--text); font-weight: 600; }
.notice.warn { border-left-color: var(--warn); background: var(--warn-bg); color: var(--warn); }
.notice.warn strong { color: var(--warn); }

/* ------------------------------- forms ------------------------------- */
label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin: 14px 0 5px; }
label .hint { display: block; font-weight: 400; color: var(--text-3); font-size: 12.5px; margin-top: 2px; }

input[type=text], input[type=number], select, textarea {
  width: 100%; font: inherit; font-size: 15px;
  padding: 8px 10px; color: var(--text);
  background: var(--bg); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent);
}
textarea { min-height: 70px; resize: vertical; }

.checks { display: grid; gap: 7px; margin-top: 6px; }
@media (min-width: 600px) { .checks.two { grid-template-columns: 1fr 1fr; } }
.checks label {
  display: flex; align-items: flex-start; gap: 8px; margin: 0;
  font-weight: 400; font-size: 14.5px; color: var(--text-2); cursor: pointer;
  padding: 7px 9px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface);
}
.checks label:hover { border-color: var(--border-strong); }
.checks input { width: auto; margin: 3px 0 0; accent-color: var(--accent); flex: none; }
.checks label.on { border-color: var(--accent); background: var(--accent-soft); color: var(--text); }

fieldset { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 14px; margin: 16px 0 0; }
legend { font-size: 13px; font-weight: 650; padding: 0 6px; color: var(--text); }

.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.row > * { flex: 1 1 160px; min-width: 0; }

/* ------------------------------- buttons ------------------------------- */
.btn {
  font: inherit; font-size: 14.5px; font-weight: 550;
  padding: 9px 16px; border-radius: var(--radius-sm); cursor: pointer;
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--text);
}
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
:root[data-theme="dark"] .btn.primary { color: #10231d; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { border-color: transparent; background: none; color: var(--text-2); }
.btn.ghost:hover { background: var(--surface-2); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.sm { font-size: 13px; padding: 6px 11px; }
.btnrow { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; align-items: center; }

/* ------------------------------- pills ------------------------------- */
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; font-weight: 600; letter-spacing: .01em;
  padding: 3px 9px; border-radius: 999px; white-space: nowrap;
  border: 1px solid transparent;
}
.pill.pass { background: var(--pass-bg); color: var(--pass); }
.pill.fail { background: var(--fail-bg); color: var(--fail); }
.pill.unverified { background: var(--warn-bg); color: var(--warn); }
.pill.neutral { background: var(--surface-2); color: var(--text-2); border-color: var(--border); }
.pill.rank { background: var(--accent); color: #fff; }
:root[data-theme="dark"] .pill.rank { color: #10231d; }

/* ------------------------------- people strip ------------------------------- */
.people { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0 0; }
.person-chip {
  border: 1px solid var(--border); background: var(--surface); border-radius: var(--radius-sm);
  padding: 9px 12px; font-size: 13.5px; min-width: 150px;
}
.person-chip b { display: block; font-size: 14.5px; }
.person-chip.done { border-color: var(--pass); background: var(--pass-bg); }
.person-chip.done b { color: var(--pass); }

/* ------------------------------- results ------------------------------- */
.opt { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); margin: 0 0 18px; box-shadow: var(--shadow); overflow: hidden; }
.opt-h { padding: 16px 18px; border-bottom: 1px solid var(--border); }
.opt-h .t { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.opt-h h3 { margin: 0; font-size: 17px; }
.opt-money { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 10px; font-size: 13.5px; color: var(--text-2); }
.opt-money b { color: var(--text); font-weight: 600; }

.who { border-top: 1px solid var(--border); padding: 14px 18px; }
.who:first-of-type { border-top: none; }
.who-h { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; margin-bottom: 8px; }
.who-h b { font-size: 15px; }

.lines { margin: 0; padding: 0; list-style: none; display: grid; gap: 5px; }
.lines li { display: flex; gap: 9px; align-items: flex-start; font-size: 14px; color: var(--text-2); }
.lines li .pill { flex: none; margin-top: 1px; }
.lines li span.txt { min-width: 0; }
.lines li span.txt b { color: var(--text); font-weight: 600; }

.tradeoff { margin-top: 10px; display: grid; gap: 6px; font-size: 14px; }
.tradeoff div { display: flex; gap: 8px; }
.tradeoff .k { flex: none; width: 96px; font-weight: 600; font-size: 12.5px; color: var(--text-3); text-transform: uppercase; letter-spacing: .04em; padding-top: 2px; }

/* ------------------------------- tables ------------------------------- */
.tbl-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 0 16px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 9px 11px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--text-3); font-weight: 650; white-space: nowrap; }
tbody tr:hover { background: var(--surface-2); }
td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

details { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 14px; margin: 0 0 10px; background: var(--surface); }
details summary { cursor: pointer; font-weight: 600; font-size: 14.5px; }
details[open] summary { margin-bottom: 8px; }

footer { border-top: 1px solid var(--border); padding: 20px 0 40px; font-size: 13px; color: var(--text-3); }
footer p { color: var(--text-3); font-size: 13px; }

.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media print {
  .topbar, .btnrow, footer { display: none; }
  body { background: #fff; }
  .opt, .card { box-shadow: none; break-inside: avoid; }
}