/* claude-styles.css — mobile-first. Audience studies on phones, often outdoors:
   big text, big tap targets (min 48px), strong contrast. */
:root {
  --bg: #f7f5f0;
  --card: #ffffff;
  --ink: #1d2433;
  --muted: #5a6475;
  --brand: #1f6f43;      /* landscaping green */
  --brand-ink: #ffffff;
  --accent: #e2a72e;
  --ok: #1f7a3d;
  --ok-bg: #e6f4ea;
  --bad: #b3261e;
  --bad-bg: #fbe9e7;
  --line: #d9d4c7;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12161c; --card: #1b2129; --ink: #eef1f5; --muted: #a7b0bd;
    --brand: #3fa66b; --line: #2e3742; --ok-bg: #173323; --bad-bg: #3a1a17;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 18px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 16px; }
header.top { background: var(--brand); color: var(--brand-ink); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 12px; padding-bottom: 12px; }
header.top a { color: var(--brand-ink); text-decoration: none; font-weight: 700; }
h1 { font-size: 1.7rem; line-height: 1.2; margin: 12px 0; }
h2 { font-size: 1.3rem; margin: 24px 0 8px; }
p { margin: 8px 0; }
.muted { color: var(--muted); font-size: .92rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin: 12px 0; }
.hero { padding: 24px 0 8px; }
.price { font-size: 2.2rem; font-weight: 800; }
.btn {
  display: inline-block; min-height: 48px; padding: 12px 20px; border-radius: 12px; border: 0;
  background: var(--brand); color: var(--brand-ink); font-size: 1.05rem; font-weight: 700;
  text-decoration: none; cursor: pointer; text-align: center;
}
.btn.secondary { background: transparent; color: var(--ink); border: 2px solid var(--line); }
.btn.block { display: block; width: 100%; margin: 8px 0; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn:focus-visible, .opt:focus-visible, input:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
ul.checks { list-style: none; padding: 0; }
ul.checks li { padding: 6px 0 6px 30px; position: relative; }
ul.checks li::before { content: "✔"; position: absolute; left: 0; color: var(--brand); font-weight: 800; }
details { border-bottom: 1px solid var(--line); padding: 12px 0; }
summary { font-weight: 700; cursor: pointer; min-height: 32px; }
.disclaimer { font-size: .85rem; color: var(--muted); border-top: 1px solid var(--line); margin-top: 24px; padding-top: 12px; }

/* quiz */
.progress { height: 8px; background: var(--line); border-radius: 8px; overflow: hidden; }
.progress > div { height: 100%; background: var(--brand); width: 0; transition: width .2s; }
.qmeta { display: flex; justify-content: space-between; gap: 8px; font-size: .9rem; color: var(--muted); margin: 8px 0; flex-wrap: wrap; }
.qtext { font-size: 1.15rem; font-weight: 600; margin: 8px 0 12px; }
.opt {
  display: block; width: 100%; text-align: left; min-height: 52px; margin: 8px 0; padding: 12px 14px;
  background: var(--card); color: var(--ink); border: 2px solid var(--line); border-radius: 12px;
  font-size: 1.02rem; cursor: pointer;
}
.opt.selected { border-color: var(--brand); }
.opt.correct { border-color: var(--ok); background: var(--ok-bg); }
.opt.wrong { border-color: var(--bad); background: var(--bad-bg); }
.explain { border-left: 4px solid var(--brand); padding: 8px 12px; margin: 12px 0; background: var(--card); }
.explain .src { font-size: .85rem; color: var(--muted); margin-top: 6px; }
.timer { font-variant-numeric: tabular-nums; font-weight: 800; }
.timer.low { color: var(--bad); }
.score { font-size: 3rem; font-weight: 800; text-align: center; margin: 8px 0; }
table.secs { width: 100%; border-collapse: collapse; font-size: .95rem; }
table.secs td { padding: 6px 4px; border-bottom: 1px solid var(--line); }
table.secs td:last-child { text-align: right; white-space: nowrap; }
.row { display: flex; gap: 8px; flex-wrap: wrap; }
.row > * { flex: 1 1 140px; }
label { display: block; font-weight: 600; margin: 12px 0 4px; }
input[type=text], input[type=email], input[type=tel], select {
  width: 100%; min-height: 48px; padding: 10px 12px; font-size: 1rem; border-radius: 10px;
  border: 2px solid var(--line); background: var(--card); color: var(--ink);
}
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
.check input { width: 24px; height: 24px; margin-top: 2px; flex: none; }
.notice { padding: 12px; border-radius: 10px; margin: 12px 0; }
.notice.ok { background: var(--ok-bg); }
.notice.bad { background: var(--bad-bg); }
.hidden { display: none !important; }
header.top .logout { min-height: 40px; padding: 6px 12px; color: var(--brand-ink); border-color: var(--brand-ink); }

/* Pricing cards (landing) and exam switcher (app). */
.plans { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.plan { border: 2px solid var(--line); border-radius: 12px; padding: 12px; }
.plan h3 { margin: 0 0 4px; }
.plan.best { border-color: var(--accent); }
.switch { margin: 8px 0; }
.foot { margin: 24px 0; text-align: center; font-size: .95rem; }
.legal h2 { margin-top: 1.4em; }