/* Layout: one narrow column on graph paper; the survey is paged into steps like a lesson plan */
:root {
  --paper: #f5f7fc; --card: #ffffff; --ink: #161e33; --muted: #5a6479; --line: #dde2ee;
  --grid: rgba(39, 71, 214, .055); --accent: #2747d6; --accent-ink: #ffffff; --accent-soft: #e6ebff;
  --hl: #ffe25e; --ok: #1d8455; --ok-soft: #e1f4ea; --warn: #a85e0b; --warn-soft: #fbefdc; --bad: #b4322b; --bad-soft: #fbe6e4;
  --display: "Montserrat", "Segoe UI", system-ui, sans-serif;
  --body: "Noto Sans", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  --mono: "JetBrains Mono", Consolas, "Courier New", monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0e1320; --card: #151c2d; --ink: #e7ebf5; --muted: #98a2b8; --line: #283149;
    --grid: rgba(140, 165, 255, .05); --accent: #7f97ff; --accent-ink: #0e1320; --accent-soft: #1f2a4d;
    --hl: #b99a24; --ok: #4cc18a; --ok-soft: #15332a; --warn: #e3a253; --warn-soft: #3a2a14; --bad: #ff7b72; --bad-soft: #3a1c1a;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background-color: var(--paper);
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--ink); font: 16px/1.55 var(--body);
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  padding-block: max(20px, env(safe-area-inset-top, 0px)) max(48px, env(safe-area-inset-bottom, 0px));
}
.wrap { max-width: 720px; margin: 0 auto; display: grid; gap: 20px; }
h1, h2 { text-wrap: balance; margin: 0; font-family: var(--display); }
h1 { font-weight: 700; font-size: clamp(24px, 6vw, 36px); line-height: 1.15; letter-spacing: -.01em; }
h1 mark { background: linear-gradient(transparent 60%, var(--hl) 60%, var(--hl) 92%, transparent 92%); color: inherit; padding: 0 .08em; }
h2 { font-weight: 700; font-size: clamp(19px, 4.6vw, 22px); line-height: 1.25; }
.eyebrow { font: 600 12px/1.2 var(--display); text-transform: uppercase; letter-spacing: .1em; color: var(--accent); }
.lead { color: var(--muted); margin: 0; max-width: 62ch; }

.topbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.lang { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; background: var(--card); padding: 3px; gap: 2px; }
.lang button { border: 0; background: none; color: var(--muted); font: 600 13px var(--body); padding: 8px 12px; border-radius: 999px; min-height: 36px; cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }

header.intro { display: grid; gap: 12px; }
.meta { display: flex; flex-wrap: wrap; gap: 6px 16px; color: var(--muted); font-size: 14px; margin: 0; padding: 0; list-style: none; }
.meta li::before { content: "— "; color: var(--accent); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: clamp(18px, 4.5vw, 30px); display: grid; gap: 22px; min-width: 0; }

.progress { display: grid; gap: 8px; }
.progress-row { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; color: var(--muted); flex-wrap: wrap; }
.progress-row b { color: var(--ink); font-weight: 600; }
.bar { height: 6px; border-radius: 3px; background: var(--line); overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--accent); width: 0; transition: width .3s ease; }

.step-head { display: grid; gap: 6px; }
.step-head p { margin: 0; color: var(--muted); }
.req-note { font-size: 13px; color: var(--muted); }
.q { border: 0; margin: 0; padding: 0; display: grid; gap: 10px; min-width: 0; }
.q > legend, .q > label.lbl { font-weight: 600; padding: 0; margin-bottom: 2px; }
.q .req { color: var(--bad); margin-left: 3px; }
.q .hint { font-size: 14px; color: var(--muted); margin-top: -6px; }
.q .qnum { font: 600 12px var(--display); color: var(--accent); display: block; margin-bottom: 4px; letter-spacing: .06em; text-transform: uppercase; }
input[type=text], input[type=email], input[type=tel], input[type=password], textarea, select {
  width: 100%; font: inherit; font-size: 16px; color: var(--ink); background: var(--paper);
  border: 1px solid var(--line); border-radius: 10px; padding: 12px 13px; min-height: 48px;
}
textarea { min-height: 120px; resize: vertical; }
textarea.short { min-height: 84px; }
input:focus-visible, textarea:focus-visible, select:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.opts { display: grid; gap: 8px; }
.opts.cols { grid-template-columns: repeat(auto-fill, minmax(min(100%, 210px), 1fr)); }
.opt { display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; background: var(--paper); min-height: 48px; }
.opt:hover { border-color: var(--accent); }
.opt input { margin: 3px 0 0; width: 18px; height: 18px; accent-color: var(--accent); flex: none; }
.opt span { min-width: 0; overflow-wrap: anywhere; }
.opt:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.opt:has(input:focus-visible) { outline: 3px solid var(--accent); outline-offset: 2px; }
pre.code { margin: 0; font: 14px/1.6 var(--mono); background: var(--paper); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 8px; padding: 12px 14px; overflow-x: auto; }
.err { color: var(--bad); font-size: 14px; }
.q.invalid input[type=text], .q.invalid input[type=email], .q.invalid input[type=tel], .q.invalid textarea, .q.invalid .opt { border-color: var(--bad); }
.count { font-size: 12px; color: var(--muted); justify-self: end; font-variant-numeric: tabular-nums; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.nav { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; align-items: center; }
button { font: 600 15px var(--body); border-radius: 10px; padding: 12px 20px; min-height: 48px; cursor: pointer; border: 1px solid var(--line); background: var(--card); color: var(--ink); }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
button.danger { color: var(--bad); border-color: var(--bad); }
button.small { min-height: 36px; padding: 7px 12px; font-size: 13px; }
button:disabled { opacity: .55; cursor: default; }
.banner { border-radius: 10px; padding: 12px 14px; font-size: 14px; background: var(--bad-soft); color: var(--ink); border: 1px solid var(--line); }
.done .big { font: 700 26px/1.2 var(--display); }

@media (max-width: 560px) {
  .nav { flex-direction: column-reverse; align-items: stretch; }
  .nav button { width: 100%; }
  .nav .spacer { display: none; }
  .card { border-radius: 12px; }
}

/* ---------- admin ---------- */
.login { max-width: 420px; margin: 8vh auto 0; }
.login form { display: grid; gap: 14px; }
.admin-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; align-items: end; }
.admin-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; }
.stat { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.stat b { display: block; font: 700 26px var(--display); font-variant-numeric: tabular-nums; }
.stat small { color: var(--muted); font-size: 13px; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.toolbar input { flex: 1 1 220px; min-height: 40px; padding: 8px 12px; }
.filters { display: flex; gap: 6px; flex-wrap: wrap; }
.filters button { min-height: 36px; padding: 7px 12px; font-size: 13px; }
.filters button[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.list { display: grid; gap: 8px; }
.row { border: 1px solid var(--line); border-radius: 12px; background: var(--paper); min-width: 0; }
.row summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 56px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 12px 14px; }
.row summary::-webkit-details-marker { display: none; }
.score { font: 700 22px var(--display); font-variant-numeric: tabular-nums; text-align: center; }
.score small { display: block; font: 500 11px var(--body); color: var(--muted); }
.who { min-width: 0; }
.who b { display: block; overflow-wrap: anywhere; }
.who small { color: var(--muted); overflow-wrap: anywhere; display: block; }
.chip { font: 600 12px var(--body); padding: 5px 10px; border-radius: 999px; white-space: nowrap; }
.chip.dev { background: var(--ok-soft); color: var(--ok); }
.chip.vibe { background: var(--accent-soft); color: var(--accent); }
.chip.grow { background: var(--warn-soft); color: var(--warn); }
.chip.start { background: var(--card); color: var(--muted); border: 1px solid var(--line); }
.detail { padding: 14px 16px 16px; display: grid; gap: 14px; border-top: 1px solid var(--line); }
.detail dl { margin: 0; display: grid; grid-template-columns: minmax(120px, 200px) minmax(0, 1fr); gap: 8px 14px; font-size: 14px; }
.detail dt { color: var(--muted); }
.detail dd { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.detail h3 { margin: 4px 0 0; font: 700 14px var(--display); text-transform: uppercase; letter-spacing: .06em; color: var(--accent); }
.parts { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.part { font-size: 12px; color: var(--muted); }
.part .bar { margin-top: 4px; }
.quizgrid { display: flex; flex-wrap: wrap; gap: 4px; }
.quizgrid span { font: 600 12px var(--mono); padding: 4px 7px; border-radius: 6px; }
.quizgrid .y { background: var(--ok-soft); color: var(--ok); }
.quizgrid .n { background: var(--bad-soft); color: var(--bad); }
.empty { color: var(--muted); padding: 20px; text-align: center; border: 1px dashed var(--line); border-radius: 12px; }
.confirm { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: 14px; }
@media (max-width: 560px) {
  .row summary { grid-template-columns: 48px minmax(0, 1fr); }
  .row summary .chip { grid-column: 2; justify-self: start; }
  .detail dl { grid-template-columns: 1fr; gap: 2px; }
  .detail dt { margin-top: 8px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }