/* Tax O'Clock — participant web styles */
:root{
  --bg:#F4F7F2; --surface:#FFFFFF; --surface2:#ECF1E9; --ink:#17241A; --ink2:#44554A; --ink3:#68796D;
  --line:#DBE3D8; --brand:#157A3C; --brand-deep:#0B5228; --brand-tint:#E2F0E5;
  --learn:#1D5BC9; --learn-tint:#E4ECFA; --engage:#C93A2E; --engage-tint:#F9E7E4;
  --earn:#D8890B; --earn-tint:#FAF0DC; --tax:#6C4EC2;
  --danger:#C93A2E; --shadow:0 1px 2px rgba(23,36,26,.06),0 4px 14px rgba(23,36,26,.05);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 "Segoe UI",system-ui,sans-serif}
a{color:var(--brand);text-decoration:none} a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
/* nav */
header.site{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.nav{display:flex;align-items:center;gap:20px;padding:12px 0}
.nav .brand{font-weight:800;font-size:18px;color:var(--brand)}
.nav .brand span{color:var(--ink)}
.nav .links{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto;align-items:center}
.nav .links a{padding:7px 12px;border-radius:8px;color:var(--ink2);font-size:14px}
.nav .links a:hover{background:var(--surface2);text-decoration:none}
.nav .links a.active{background:var(--brand-tint);color:var(--brand-deep);font-weight:600}
.nav .links a.cta{background:var(--brand);color:#fff;font-weight:600}
.nav .links a.cta:hover{background:var(--brand-deep)}
#nav-badge{background:var(--engage);color:#fff;border-radius:99px;font-size:10.5px;padding:1px 7px;margin-left:4px;display:none}
main{padding:28px 0 70px}
/* hero */
.hero{background:linear-gradient(135deg,var(--brand-deep),var(--brand));color:#fff;border-radius:16px;padding:44px 40px;margin-bottom:26px}
.hero h1{font-size:clamp(26px,4.5vw,40px);line-height:1.1;margin:0 0 12px}
.hero p{font-size:16.5px;max-width:56ch;color:#DFEDE2;margin:0 0 22px}
.hero .pillars-line{font-size:12.5px;letter-spacing:.16em;font-weight:700;margin-bottom:14px}
.hero .p1{color:#9FE0B5}.hero .p2{color:#A9C7F5}.hero .p3{color:#F5B3AB}.hero .p4{color:#F2CE8C}
/* buttons */
.btn{display:inline-block;background:var(--brand);color:#fff;border:none;border-radius:10px;padding:12px 22px;font:600 15px/1 inherit;cursor:pointer;text-align:center}
.btn:hover{background:var(--brand-deep);text-decoration:none}
.btn.light{background:#fff;color:var(--brand-deep)}
.btn.secondary{background:var(--surface);color:var(--ink2);border:1px solid var(--line)}
.btn.secondary:hover{background:var(--surface2)}
.btn.danger{background:var(--danger)}
.btn.sm{padding:8px 14px;font-size:13px}
.btn.block{display:block;width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}
/* cards */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.grid.g4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow)}
.card h3{margin:0 0 6px;font-size:16px}
.card p{margin:0;color:var(--ink2);font-size:13.5px}
.card.pillar{border-top:4px solid var(--line)}
.card.pillar.play{border-top-color:var(--brand)} .card.pillar.play h3{color:var(--brand)}
.card.pillar.learn{border-top-color:var(--learn)} .card.pillar.learn h3{color:var(--learn)}
.card.pillar.engage{border-top-color:var(--engage)} .card.pillar.engage h3{color:var(--engage)}
.card.pillar.earn{border-top-color:var(--earn)} .card.pillar.earn h3{color:var(--earn)}
.stat .n{font-size:26px;font-weight:800;color:var(--brand)}
.stat .l{font-size:12.5px;color:var(--ink3)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);margin-bottom:18px}
.panel .p-head{padding:14px 18px;border-bottom:1px solid var(--line);font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:10px}
.panel .p-body{padding:18px}
h1.page{font-size:24px;margin:0 0 4px}
.sub{color:var(--ink3);font-size:13.5px;margin:0 0 20px}
h2{font-size:18px;margin:26px 0 12px}
/* forms */
label{display:block;font-size:13px;font-weight:600;color:var(--ink2);margin:12px 0 5px}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:0;border-color:var(--brand)}
.field-err{color:var(--danger);font-size:12px;margin-top:3px;min-height:14px}
.check{display:flex;gap:9px;align-items:flex-start;margin:10px 0;font-size:13.5px;color:var(--ink2)}
.check input{width:auto;margin-top:3px}
.narrow{max-width:460px;margin:0 auto}
.msg{padding:12px 16px;border-radius:10px;margin:12px 0;font-size:14px;display:none}
.msg.ok{background:var(--brand-tint);color:var(--brand-deep);display:block}
.msg.err{background:var(--engage-tint);color:#7C1F16;display:block}
.dev-otp{background:var(--earn-tint);border:1px dashed var(--earn);border-radius:10px;padding:10px 14px;font-size:13px;margin:10px 0}
.dev-otp b{font-size:20px;letter-spacing:.2em}
/* steps */
.steps{display:flex;gap:8px;margin-bottom:22px;font-size:12px;color:var(--ink3);flex-wrap:wrap}
.steps .st{padding:6px 12px;border:1px solid var(--line);border-radius:99px;background:var(--surface)}
.steps .st.on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.steps .st.done{background:var(--brand-tint);border-color:var(--brand);color:var(--brand-deep)}
/* quiz */
.q-timer{height:8px;background:var(--surface2);border-radius:99px;overflow:hidden;margin:14px 0}
.q-timer i{display:block;height:100%;background:var(--brand);transition:width 1s linear}
.q-timer.low i{background:var(--engage)}
.q-question{font-size:19px;font-weight:700;margin:14px 0 18px}
.q-opt{display:block;width:100%;text-align:left;background:var(--surface);border:1.5px solid var(--line);border-radius:12px;padding:13px 16px;margin-bottom:10px;font:inherit;cursor:pointer}
.q-opt:hover{border-color:var(--brand);background:var(--brand-tint)}
.q-opt.correct{border-color:var(--brand);background:var(--brand-tint);font-weight:600}
.q-opt.wrong{border-color:var(--engage);background:var(--engage-tint)}
.q-opt:disabled{cursor:default;opacity:.85}
.q-meta{display:flex;justify-content:space-between;color:var(--ink3);font-size:13px}
.score-big{font-size:44px;font-weight:800;color:var(--brand);text-align:center}
.award-line{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}
.review-item{border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:10px;font-size:13.5px}
.review-item .exp{color:var(--ink3);margin-top:6px}
.tag-ok{color:var(--brand);font-weight:700}.tag-no{color:var(--engage);font-weight:700}
/* progress */
.meter{height:10px;background:var(--surface2);border-radius:99px;overflow:hidden}
.meter i{display:block;height:100%;background:var(--brand)}
/* topic select */
.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px}
.topic-card{border:1.5px solid var(--line);border-radius:12px;padding:12px;cursor:pointer;background:var(--surface);font-size:13px}
.topic-card.sel{border-color:var(--brand);background:var(--brand-tint)}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink3);text-align:left;padding:9px 12px;border-bottom:1px solid var(--line)}
td{padding:9px 12px;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:none}
.num{font-variant-numeric:tabular-nums;text-align:right}
.pill{display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.05em;padding:2px 9px;border-radius:99px;background:var(--surface2);color:var(--ink2)}
.pill.play{background:var(--brand-tint);color:var(--brand)}
.pill.learn{background:var(--learn-tint);color:var(--learn)}
.pill.engage{background:var(--engage-tint);color:var(--engage)}
.pill.earn{background:var(--earn-tint);color:var(--earn)}
.pill.unread{background:var(--engage);color:#fff}
.pill.taxpayer{background:#EEE9FA;color:var(--tax)}
.pill.bonus{background:var(--earn-tint);color:var(--earn)}
/* password peek toggle */
.pw-wrap{position:relative;display:block}
.pw-wrap input{padding-right:46px}
.pw-toggle{position:absolute;right:6px;top:50%;transform:translateY(-50%);border:none;background:none;color:var(--ink3);cursor:pointer;padding:7px;border-radius:8px;line-height:0}
.pw-toggle:hover{color:var(--ink);background:var(--surface2)}
.pw-toggle:focus-visible{outline:2px solid var(--brand)}
.notif{border:1px solid var(--line);border-radius:12px;padding:13px 16px;margin-bottom:10px;background:var(--surface)}
.notif.unread{border-left:4px solid var(--brand)}
.notif h4{margin:0 0 3px;font-size:14.5px}
.notif p{margin:0;font-size:13px;color:var(--ink2)}
.notif .when{font-size:11.5px;color:var(--ink3);margin-top:5px}
footer.site{border-top:1px solid var(--line);background:var(--surface);padding:26px 0;color:var(--ink3);font-size:13px}
footer.site .cols{display:flex;gap:26px;flex-wrap:wrap;justify-content:space-between}
.muted{color:var(--ink3);font-size:12.5px}
.hidden{display:none !important}
@media (max-width:640px){.hero{padding:30px 22px}}
/* ---------- brand & icons ---------- */
.icon{display:inline-block;vertical-align:-4px;flex-shrink:0}
.brand-lock{display:inline-flex;align-items:center;gap:9px;text-decoration:none !important}
.brand-word{line-height:1.02;font-weight:800;letter-spacing:.2px}
.bw-tax{color:var(--brand)} .bw-oclock{color:var(--ink)}
.brand-lock.big{flex-direction:column;gap:10px;text-align:center}
.brand-lock.big .brand-word{font-size:30px}
.brand-lock.big .bw-tax,.brand-lock.big .bw-oclock{display:inline}
.brand-tagline{display:flex;align-items:center;gap:7px;font-size:10.5px;letter-spacing:.14em;font-weight:800;margin-top:6px;justify-content:center}
.tg-play{color:var(--brand)} .tg-learn{color:var(--learn)} .tg-engage{color:var(--engage)} .tg-earn{color:var(--earn)}
.sq{width:6px;height:6px;border-radius:1.5px;display:inline-block}
.sq-learn{background:var(--learn)} .sq-engage{background:var(--engage)} .sq-earn{background:var(--earn)}
/* icon circles (mockup pattern: tinted circle + colored icon) */
.icircle{display:inline-flex;width:42px;height:42px;border-radius:50%;align-items:center;justify-content:center;flex-shrink:0}
.icircle.lg{width:54px;height:54px}
.icircle.sm{width:34px;height:34px}
.icircle.solid{color:#fff !important}
.ic-play{background:var(--brand-tint);color:var(--brand)} .ic-play.solid{background:var(--brand)}
.ic-learn{background:var(--learn-tint);color:var(--learn)} .ic-learn.solid{background:var(--learn)}
.ic-engage{background:var(--engage-tint);color:var(--engage)} .ic-engage.solid{background:var(--engage)}
.ic-earn{background:var(--earn-tint);color:var(--earn)} .ic-earn.solid{background:var(--earn)}
.ic-tax{background:#EEE9FA;color:var(--tax)}
.ic-neutral{background:var(--surface2);color:var(--ink2)}
.ic-hero{background:rgba(255,255,255,.16);color:#fff}
/* pillar icon strip (auth screens, mockup B1/A4) */
.pillar-strip{display:flex;justify-content:center;gap:26px;margin:18px 0 6px}
.pillar-strip .pi{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:11px;font-weight:700;letter-spacing:.06em}
.pillar-strip .pi span{color:var(--ink3);font-weight:400;font-size:10.5px;letter-spacing:0}
.pillar-strip .pi.play b{color:var(--brand)}.pillar-strip .pi.learn b{color:var(--learn)}
.pillar-strip .pi.engage b{color:var(--engage)}.pillar-strip .pi.earn b{color:var(--earn)}
/* cards with leading icon */
.card .card-ic{margin-bottom:10px}
.stat{display:flex;align-items:center;gap:13px}
.stat .stat-txt{min-width:0}
.p-head .icon{margin-right:2px;vertical-align:-5px}
.notif{display:flex;gap:12px;align-items:flex-start}
.notif .notif-body{min-width:0;flex:1}
/* ---------- challenge ---------- */
.chal-banner{background:linear-gradient(120deg,#06371B,var(--brand-deep) 55%,#0E5B2F);color:#fff;border-radius:16px;
  padding:26px 28px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:18px;position:relative;overflow:hidden}
.chal-banner::after{content:"🏆";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:64px;opacity:.25}
.chal-banner .cb-tag{background:var(--engage);color:#fff;font-size:10.5px;font-weight:800;letter-spacing:.1em;padding:3px 10px;border-radius:99px}
.chal-banner h2,.chal-banner h3{margin:4px 0 2px;color:#fff}
.chal-banner .cb-amount{font-size:clamp(26px,5vw,38px);font-weight:800;color:#F2CE8C;line-height:1.05}
.chal-banner .muted{color:#BFDCC8}
.ladder{list-style:none;margin:0;padding:0;font-variant-numeric:tabular-nums}
.ladder li{display:flex;justify-content:space-between;gap:10px;padding:5px 12px;border-radius:8px;font-size:13px;color:var(--ink2)}
.ladder li .ln{color:var(--ink3);width:34px}
.ladder li.net{font-weight:700;color:var(--brand-deep)}
.ladder li.done{opacity:.45}
.ladder li.cur{background:var(--brand);color:#fff;font-weight:800}
.ladder li.cur .ln{color:#CFE8D6}
.ladder li.grand{font-weight:800;color:var(--earn)}
.lifelines{display:flex;gap:10px;margin:12px 0}
.lifeline{flex:1;border:1.5px solid var(--line);background:var(--surface);border-radius:12px;padding:10px;
  font:600 13px/1.2 inherit;cursor:pointer;color:var(--ink2)}
.lifeline:hover:not(:disabled){border-color:var(--brand);background:var(--brand-tint)}
.lifeline:disabled{opacity:.4;cursor:not-allowed;text-decoration:line-through}
.q-opt.eliminated{opacity:.25;pointer-events:none;text-decoration:line-through}
.secured-chip{display:inline-block;background:var(--earn-tint);color:var(--earn);font-weight:800;border-radius:99px;padding:4px 14px}
.decision-box{border:2px solid var(--earn);background:var(--earn-tint);border-radius:14px;padding:20px;text-align:center;margin:14px 0}
.game-grid{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:16px}
@media (max-width:760px){.game-grid{grid-template-columns:1fr}.ladder{display:none}}