:root {
  --paper: #eef1f3;
  --surface: #ffffff;
  --surface-2: #f5f7f8;
  --ink: #14181d;
  --ink-soft: #4a545e;
  --ink-faint: #79848e;
  --line: #dce1e5;
  --line-strong: #c3ccd2;
  --verify: #0d8a7d;
  --verify-deep: #0a6b61;
  --verify-tint: #d9efec;
  --flag: #cf4141;
  --flag-tint: #f7dede;
  --caution: #c9821a;
  --caution-tint: #f6e8d2;
  --shadow: 0 1px 2px rgba(20,24,29,.06), 0 8px 24px -12px rgba(20,24,29,.18);
  --radius: 14px;
  --serif: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0f1418; --surface: #171d23; --surface-2: #1c242b;
    --ink: #eef2f4; --ink-soft: #aeb9c1; --ink-faint: #7d8891;
    --line: #2a333b; --line-strong: #3a454e;
    --verify: #2fb6a6; --verify-deep: #46c9b9; --verify-tint: #123230;
    --flag: #ef6b6b; --flag-tint: #35201f; --caution: #e0a24a; --caution-tint: #33291a;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 30px -14px rgba(0,0,0,.6);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 80% -10%, color-mix(in srgb, var(--verify) 8%, transparent), transparent 60%),
    var(--paper);
  min-height: 100vh;
  line-height: 1.55;
  padding: clamp(16px, 4vw, 44px);
}
.shell { max-width: 720px; margin: 0 auto; }
.shell.wide { max-width: 960px; }

/* masthead */
.eyebrow {
  font-family: var(--mono); font-size: 12px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--verify-deep); display: inline-flex; align-items: center; gap: 8px; margin: 0 0 10px;
}
.eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--verify);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse { 0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--verify) 55%,transparent);} 70%{box-shadow:0 0 0 10px transparent;} 100%{box-shadow:0 0 0 0 transparent;} }
h1 {
  font-family: var(--serif); font-weight: 600; font-size: clamp(28px, 5.5vw, 42px);
  line-height: 1.06; letter-spacing: -.01em; margin: 0 0 12px; text-wrap: balance;
}
.lede { font-size: 17px; color: var(--ink-soft); max-width: 56ch; margin: 0; }

/* card */
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
}
.panel { padding: clamp(20px, 4vw, 30px); }
.panel + .panel { border-top: 1px solid var(--line); }

.chip {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 999px; border: 1px solid var(--line-strong);
  color: var(--ink-soft); background: var(--surface-2);
}
.chip svg { width: 14px; height: 14px; }

.scene-title {
  font-family: var(--serif); font-weight: 600; font-size: clamp(21px, 3.6vw, 27px);
  line-height: 1.15; margin: 16px 0 10px; text-wrap: balance;
}
.scene-body { color: var(--ink-soft); font-size: 16px; margin: 0; white-space: pre-wrap; }
.ask { font-weight: 600; margin: 22px 0 12px; font-size: 15px; }

/* options */
.options { display: grid; gap: 10px; }
.opt {
  position: relative; overflow: hidden; text-align: left; font: inherit; font-size: 15px; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line-strong); border-radius: 11px;
  padding: 14px 16px; cursor: pointer; display: flex; align-items: center; gap: 12px;
  transition: border-color .15s, background .15s, transform .05s; width: 100%;
}
.opt:hover { border-color: var(--verify); background: var(--surface-2); }
.opt:active { transform: translateY(1px); }
.opt:focus-visible { outline: 2px solid var(--verify); outline-offset: 2px; }
.opt.selected { border-color: var(--verify); background: var(--verify-tint); }
.opt .key {
  flex: none; width: 26px; height: 26px; border-radius: 7px; display: grid; place-items: center;
  background: var(--surface-2); border: 1px solid var(--line-strong);
  font-family: var(--mono); font-size: 13px; color: var(--ink-faint);
}
.opt.selected .key { background: var(--verify); color: #fff; border-color: var(--verify); }
.opt-label { flex: 1; }

/* buttons */
.btn {
  font: inherit; font-weight: 600; font-size: 15px; cursor: pointer;
  padding: 12px 22px; border-radius: 10px; border: 1px solid transparent;
  background: var(--verify); color: #fff; transition: background .15s, transform .05s;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn:hover { background: var(--verify-deep); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--verify); outline-offset: 2px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn.ghost:hover { background: var(--surface-2); }
.btn.danger { background: var(--flag); }
.btn.danger:hover { background: var(--flag); filter: brightness(.92); }
.btn.small { padding: 9px 15px; font-size: 13px; }

.actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.spacer { flex: 1; }

/* forms */
label.field { display: block; margin: 0 0 14px; }
label.field > span {
  display: block; font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: 6px;
}
input[type=text], input[type=password], textarea, select {
  font: inherit; width: 100%; color: var(--ink); background: var(--surface);
  border: 1px solid var(--line-strong); border-radius: 10px; padding: 11px 13px;
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--verify); outline-offset: 1px; border-color: var(--verify); }
textarea { min-height: 92px; resize: vertical; line-height: 1.5; }

.pill {
  display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono);
  font-size: 12px; letter-spacing: .06em; text-transform: uppercase; padding: 5px 11px; border-radius: 999px;
}
.pill.open { background: var(--verify-tint); color: var(--verify-deep); }
.pill.closed { background: var(--flag-tint); color: var(--flag); }

.muted { color: var(--ink-faint); font-size: 14px; }
.mono { font-family: var(--mono); }
.tabnum { font-variant-numeric: tabular-nums; }
.hidden { display: none !important; }

.notice {
  padding: 14px 16px; border-radius: 11px; font-size: 15px; margin: 0 0 16px;
  border: 1px solid transparent;
}
.notice.err { background: var(--flag-tint); color: var(--flag); border-color: color-mix(in srgb, var(--flag) 30%, transparent); }
.notice.ok { background: var(--verify-tint); color: var(--verify-deep); border-color: color-mix(in srgb, var(--verify) 30%, transparent); }

/* reveal — participant results view */
.rev-row { display: flex; align-items: center; gap: 12px; margin: 9px 0; }
.rev-label { flex: 1; font-size: 15px; display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.rev-track { position: relative; flex: 1.6; height: 26px; border-radius: 7px; background: var(--surface-2); overflow: hidden; border: 1px solid var(--line); }
.rev-fill { position: absolute; inset: 0 auto 0 0; width: 0; background: color-mix(in srgb, var(--verify) 22%, transparent); transition: width .5s ease; }
.rev-fill.correct { background: color-mix(in srgb, var(--verify) 42%, transparent); }
.rev-count { font-family: var(--mono); font-variant-numeric: tabular-nums; min-width: 3.5ch; text-align: right; font-size: 14px; }
.rev-tag { font-family: var(--mono); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; padding: 2px 7px; border-radius: 999px; }
.rev-tag.correct { background: var(--verify-tint); color: var(--verify-deep); }
.rev-tag.you { background: var(--caution-tint); color: var(--caution); }

.foot { margin-top: 20px; font-size: 13px; color: var(--ink-faint); text-align: center; }

@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }