:root {
  --bg: #fbfaf8;
  --surface: #ffffff;
  --border: #e3ded6;
  --ink: #1d1b18;
  --muted: #6b6559;
  --accent: #b4532a;
  --accent-ink: #ffffff;
  --warn: #9a3412;
  --ok: #2f6b4f;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #171614;
    --surface: #211f1c;
    --border: #35322d;
    --ink: #ece8e1;
    --muted: #9a9389;
    --accent: #d4714a;
    --accent-ink: #171614;
    --warn: #e08057;
    --ok: #74b795;
  }
}
:root[data-theme="dark"] {
  --bg: #171614;
  --surface: #211f1c;
  --border: #35322d;
  --ink: #ece8e1;
  --muted: #9a9389;
  --accent: #d4714a;
  --accent-ink: #171614;
  --warn: #e08057;
  --ok: #74b795;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 16px 80px;
}

h1 { font-size: 1.5rem; margin: 0 0 8px; letter-spacing: -0.01em; }
h2 { font-size: 1.1rem; margin: 28px 0 10px; }
.lede { color: var(--muted); margin: 0 0 20px; }
.note { color: var(--muted); font-size: 0.9rem; margin-top: 18px; }
.hint { color: var(--muted); font-size: 0.85rem; margin: 8px 0 0; }
.error { color: var(--warn); margin-top: 12px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

input[type="text"], input[type="password"], input[type="number"], select {
  width: 100%;
  padding: 11px 13px;
  font: inherit;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}
input:focus, select:focus, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

#code { text-transform: uppercase; letter-spacing: 0.12em; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

button {
  margin-top: 16px;
  padding: 11px 20px;
  font: inherit;
  font-weight: 600;
  color: var(--accent-ink);
  background: var(--accent);
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}
button:hover { filter: brightness(1.07); }
button:disabled { opacity: 0.5; cursor: default; filter: none; }

.brief-list { padding-left: 20px; margin: 0; }
.brief-list li { margin-bottom: 10px; }

/* ---- quiz ---- */

.quiz-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
  gap: 16px;
}
.progress { color: var(--muted); font-size: 0.9rem; }
.domain {
  margin-left: 10px;
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.timer {
  font: 600 1.4rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  font-variant-numeric: tabular-nums;
}
.timer.low { color: var(--warn); }

.bar {
  height: 3px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 20px;
}
.bar-fill {
  height: 100%;
  width: 100%;
  background: var(--accent);
  transition: width 0.25s linear;
}
.bar-fill.low { background: var(--warn); }

.prompt { font-size: 1.1rem; margin: 0 0 20px; white-space: pre-wrap; }

.options { display: flex; flex-direction: column; gap: 8px; }
.opt {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  padding: 13px 15px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}
.opt:hover { border-color: var(--accent); }
.opt input { margin: 4px 0 0; accent-color: var(--accent); flex: none; }
.opt.sel { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }

code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.92em; }
code {
  padding: 1px 5px;
  background: color-mix(in srgb, var(--accent) 11%, transparent);
  border-radius: 4px;
  white-space: nowrap;
}
.opt code, .prompt code { font-size: 0.88em; }

/* ---- admin ---- */

.wrap.wide { max-width: 1000px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1 1 160px; }
label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 5px; }
.field { margin-bottom: 14px; }

table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }
tr:last-child td { border-bottom: 0; }

.pill {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 0.78rem;
  border: 1px solid var(--border);
}
.pill.ok { color: var(--ok); border-color: currentColor; }
.pill.no { color: var(--warn); border-color: currentColor; }

.code-out {
  font: 600 1.6rem/1.3 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.1em;
  padding: 16px;
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: 8px;
  text-align: center;
  margin-top: 14px;
  cursor: pointer;
  user-select: all;
}
.code-out:hover { border-color: var(--accent); }

.handoff { margin-top: 16px; }
.linkrow { display: flex; gap: 8px; align-items: stretch; }
.linkrow input {
  flex: 1 1 auto;
  min-width: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88rem;
}
button.small {
  margin: 0;
  padding: 9px 16px;
  font-size: 0.9rem;
  white-space: nowrap;
  flex: none;
}
button.ghost {
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--border);
}
button.ghost:hover { border-color: var(--accent); filter: none; }

@media (max-width: 560px) {
  .linkrow { flex-wrap: wrap; }
  .linkrow input { flex-basis: 100%; }
}

.flag {
  display: block;
  color: var(--warn);
  font-size: 0.85rem;
  margin-top: 3px;
}
.qrow { border-bottom: 1px solid var(--border); padding: 14px 0; }
.qrow:last-child { border-bottom: 0; }
.qmeta { color: var(--muted); font-size: 0.85rem; margin-top: 4px; }
details summary { cursor: pointer; color: var(--muted); font-size: 0.85rem; margin-top: 6px; }
details p { margin: 8px 0 0; font-size: 0.9rem; }

.disclaimer {
  border-left: 3px solid var(--accent);
  padding: 2px 0 2px 14px;
  margin: 20px 0;
  color: var(--muted);
  font-size: 0.9rem;
}