/* Public play pages (game, not-found). IFAGENT tokens; the campaign brand kit overrides --brand / --sec / --bg. */
:root { --brand: #0088FF; --sec: #00D4AA; --bg: #0D1117; --card: #161B22; --line: #21262D; --text: #FFFFFF; --muted: #8B949E; --ok: #3FB950; --err: #F2594F; }
* { box-sizing: border-box; }
body.play-page { margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 16px; color: var(--text); font: 400 16px/1.5 'Inter', system-ui, sans-serif;
  background: radial-gradient(900px 600px at 0% 0%, color-mix(in srgb, var(--brand) 30%, transparent), transparent 60%), radial-gradient(700px 600px at 100% 100%, color-mix(in srgb, var(--sec) 22%, transparent), transparent 60%), var(--bg); }
.play-card { width: 100%; max-width: 560px; background: color-mix(in srgb, var(--card) 88%, transparent); border: 1px solid var(--line); border-radius: 20px; padding: 28px 24px; box-shadow: 0 24px 60px -30px rgba(0,0,0,.8); }
.play-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; font-weight: 600; }
.play-logo { height: 32px; max-width: 140px; object-fit: contain; }
.play-logo[hidden], [hidden] { display: none !important; }
.play-mark { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; font: 800 14px 'Outfit', sans-serif; background: linear-gradient(135deg, var(--brand), var(--sec)); color: #fff; }
h1 { font: 700 28px/1.2 'Outfit', 'Inter', sans-serif; margin: 0 0 10px; }
h2 { font: 600 22px/1.3 'Outfit', 'Inter', sans-serif; margin: 12px 0 18px; }
.muted { color: var(--muted); }
.prize { padding: 10px 14px; border-radius: 12px; background: color-mix(in srgb, var(--sec) 16%, transparent); border: 1px solid color-mix(in srgb, var(--sec) 40%, transparent); }
.btn-primary, .btn-ghost, .opt { width: 100%; min-height: 52px; border-radius: 14px; font: 600 17px 'Inter', sans-serif; cursor: pointer; border: 0; margin-top: 14px; }
.btn-primary { background: linear-gradient(135deg, var(--brand), color-mix(in srgb, var(--brand) 60%, var(--sec))); color: #fff; }
.btn-primary:disabled { opacity: .5; cursor: default; }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }
.q-top { display: flex; justify-content: space-between; color: var(--muted); font-weight: 600; }
.timer { font-variant-numeric: tabular-nums; color: var(--sec); }
.progress { height: 6px; background: var(--line); border-radius: 6px; overflow: hidden; margin-top: 8px; }
.progress i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--brand), var(--sec)); transition: width .3s ease; }
.options { display: grid; gap: 10px; }
.opt { margin: 0; text-align: left; padding: 12px 16px; background: #0f141a; color: var(--text); border: 1px solid var(--line); }
.opt:hover, .opt:focus-visible { border-color: var(--brand); outline: none; }
.opt.picked { border-color: var(--sec); background: color-mix(in srgb, var(--sec) 14%, #0f141a); }
.score { font: 800 64px/1 'Outfit', sans-serif; background: linear-gradient(135deg, var(--brand), var(--sec)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { display: grid; gap: 8px; margin-top: 16px; }
.lead input:not([type=checkbox]) { min-height: 50px; border-radius: 12px; border: 1px solid var(--line); background: #0f141a; color: var(--text); padding: 0 14px; font-size: 18px; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--muted); }
.consent input { margin-top: 3px; width: 18px; height: 18px; }
.form-msg { min-height: 20px; margin: 4px 0 0; font-size: 14px; }
.form-msg.ok { color: var(--ok); } .form-msg.err { color: var(--err); }
.error-msg { color: var(--err); margin-top: 14px; }

/* SP4 v2: nickname, feedback, leaderboard */
.nick-row { display: flex; flex-direction: column; gap: 6px; margin: 14px 0 4px; }
.nick-row input { padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: #0f141a; color: var(--text); font-size: 16px; }
.q-score { font-weight: 700; color: var(--sec); font-variant-numeric: tabular-nums; }
.opt.right { border-color: var(--ok); background: color-mix(in srgb, var(--ok) 20%, #0f141a); }
.opt.wrong { border-color: var(--err); background: color-mix(in srgb, var(--err) 18%, #0f141a); }
.opt:disabled { cursor: default; }
.feedback { min-height: 1.4em; margin: 12px 0 0; font-weight: 700; text-align: center; }
.feedback.ok { color: var(--ok); } .feedback.err { color: var(--err); }
.board-wrap { margin-top: 18px; } .board-wrap h3 { margin: 0 0 8px; font-size: 15px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.board-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.board-list li { display: grid; grid-template-columns: 28px 1fr auto; gap: 10px; padding: 8px 12px; border-radius: 10px; background: #0f141a; border: 1px solid var(--line); }
.board-list li.me { border-color: var(--sec); background: color-mix(in srgb, var(--sec) 14%, #0f141a); }
.board-list .rank { font-weight: 800; color: var(--muted); } .board-list .pts { font-weight: 700; color: var(--sec); font-variant-numeric: tabular-nums; }
.board-list .nick { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }