:root{color-scheme:dark;--bg:#081327;--panel:#101f3b;--gold:#f7c96b;--ink:#f3f7ff;--muted:#acbcda;--line:#314568;--green:#43daa0;--red:#ff7383}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:0;font:16px/1.5 system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:radial-gradient(ellipse at 50% -10%,#1b4274 0,transparent 53%),var(--bg);overflow-x:hidden}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}a{color:inherit;text-decoration:none}:focus-visible{outline:3px solid var(--gold);outline-offset:3px}.aurora{position:fixed;inset:0;pointer-events:none;z-index:-1;background:radial-gradient(circle at 9% 64%,#24397140,transparent 31%),radial-gradient(circle at 92% 30%,#59441b34,transparent 27%)}.sitebar{height:74px;padding:0 clamp(16px,3vw,48px);display:flex;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid #ffffff18;background:#081528b8}.brand{display:flex;align-items:center;gap:10px;font-size:14px;letter-spacing:.15em;font-weight:850;white-space:nowrap}.brand b{color:var(--gold)}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--gold);border-radius:11px;color:var(--gold);font-size:16px}.brand-mark span{font-size:10px}.sitebar nav{display:flex;gap:clamp(12px,2.4vw,36px);color:var(--muted);font-size:13px}.sitebar nav a:hover,.related a:hover{color:var(--gold)}.icon-btn{border:1px solid var(--line);color:var(--ink);border-radius:10px;background:#192c4b;padding:10px 13px;white-space:nowrap}.view[hidden],.feedback[hidden],#next[hidden],#lock[hidden]{display:none!important}.intro{min-height:min(740px,calc(100svh - 74px));display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:42px 18px 75px;position:relative;overflow:hidden}.intro-orbit{height:155px;width:155px;border:1px solid #ebc57670;border-radius:50%;display:grid;place-items:center;box-shadow:0 0 0 18px #caa35010,0 0 0 37px #caa3500b,0 0 90px #efbb4e48;animation:breathe 5s ease-in-out infinite}.orbit-core{width:110px;height:110px;display:grid;place-items:center;border-radius:50%;background:radial-gradient(circle at 36% 28%,#ffe4a0,#ad6f24 72%,#604218);font:700 65px Georgia;color:#39260a;text-shadow:0 2px 3px #ffe4a0}.eyebrow{font-size:11px;letter-spacing:.26em;color:var(--gold);font-weight:800}.intro>.eyebrow{margin-top:48px}.intro h1{font-size:clamp(39px,6vw,86px);line-height:1.08;letter-spacing:-.045em;margin:10px 0}.intro h1 em{font-style:normal;color:var(--gold);display:block;text-shadow:0 0 38px #e1ab4561}.intro-copy{font-size:clamp(18px,2.5vw,25px);color:#d3dff4;margin:12px}.prize-preview{display:flex;align-items:center;gap:clamp(13px,3vw,37px);font-size:11px;color:var(--muted);letter-spacing:.14em;margin:14px 0 28px}.prize-preview strong{font-size:27px;color:var(--gold);letter-spacing:0}.intro-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.btn{min-height:48px;border-radius:12px;padding:12px 23px;font-weight:800;font-size:13px;letter-spacing:.065em;transition:transform .18s,filter .18s,background .18s;border:1px solid transparent}.btn:not(:disabled):hover{transform:translateY(-2px);filter:brightness(1.12)}.primary{color:#241906;background:linear-gradient(120deg,#ffe3a0,#d89d42);box-shadow:0 6px 24px #d4993b26}.secondary{color:#e6eefc;border-color:#52678b;background:#1a2e4e}.tiny,.hint{color:var(--muted);font-size:12px}.tiny{margin-top:24px}.game-layout{display:grid;grid-template-columns:minmax(205px,240px) minmax(0,1fr) minmax(205px,240px);gap:clamp(12px,1.5vw,25px);padding:clamp(14px,2vw,28px);max-width:1800px;margin:auto;min-height:calc(100svh - 74px);align-items:start}.card{background:linear-gradient(155deg,#172b4b,#101d37 72%);border:1px solid #415879;border-radius:18px;box-shadow:0 16px 42px #0005,inset 0 1px #ffffff14}.ladder,.tools{padding:19px}.side-title{font-size:11px;font-weight:900;letter-spacing:.16em;color:#cfddf6;display:flex;justify-content:space-between}.side-title span{color:var(--gold)}.ladder ol{list-style:none;padding:8px 0;margin:8px 0}.ladder li{padding:6px 11px;display:flex;justify-content:space-between;align-items:center;border-radius:8px;color:#a8b8d4;font-size:13px;gap:6px}.ladder li .ordinal{color:#7188ac;font-variant-numeric:tabular-nums}.ladder li.current{color:#251a06;background:linear-gradient(90deg,#f6d482,#dca54d);font-weight:900;box-shadow:0 0 17px #dcab5b55}.ladder li.done:not(.current){color:#94e3c4}.ladder li.milestone:not(.current){border:1px solid #caac6d55;margin-block:2px;color:#e8c57e}.ladder li.milestone.done:not(.current){color:#94e3c4}.ladder-foot{border-top:1px solid var(--line);padding-top:13px;color:var(--gold);font-size:11px}.ladder-toggle{display:none}.arena{min-width:0;padding:12px clamp(0px,1.2vw,24px)}.arena-top,.question-meta{display:flex;align-items:center;justify-content:space-between;gap:12px}.arena-top .eyebrow{margin:0 0 5px}.progress-copy{font-size:12px;font-weight:850;letter-spacing:.12em;color:#d6e4fc}.level-pill{border:1px solid #e5ba70a0;border-radius:24px;background:#e7aa4730;color:var(--gold);padding:8px 15px;font-weight:900;white-space:nowrap}.progress-track{margin:19px 0 28px;height:5px;border-radius:10px;background:#344768}.progress-track div{height:100%;background:linear-gradient(90deg,#b77b27,#ffe8a8);border-radius:10px;transition:width .4s}.question-panel{padding:clamp(24px,4vw,48px);min-height:196px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}.question-panel:after{content:'?';position:absolute;right:13px;top:-80px;color:#ffffff07;font-size:250px;font-weight:900;pointer-events:none}.question-meta{font-size:11px;letter-spacing:.15em;font-weight:800;color:var(--gold);position:relative;z-index:1}.question-panel h2{font-size:clamp(20px,2.2vw,34px);line-height:1.28;font-weight:750;margin:17px 0 0;position:relative;z-index:1}.options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin-top:20px}.option{display:flex;align-items:center;text-align:left;gap:13px;min-height:76px;padding:14px 17px;border-radius:13px;border:1px solid #50678c;color:var(--ink);background:linear-gradient(110deg,#192e51,#172947);font-weight:650;overflow-wrap:anywhere;transition:background .2s,border-color .2s,transform .2s,opacity .25s}.option:not(:disabled):hover{border-color:#f2c777;transform:translateY(-2px)}.option .letter{flex:none;color:var(--gold);border:1px solid #b6a37172;border-radius:9px;width:34px;height:34px;display:grid;place-items:center;font-weight:900}.option.selected{border-color:var(--gold);background:#7156277a;box-shadow:inset 0 0 0 1px var(--gold)}.option.correct{background:#146f50;border-color:#6af2b3;color:white}.option.wrong{background:#8d2f45;border-color:#ff9aa4;color:white}.option.eliminated{visibility:hidden;pointer-events:none;opacity:0}.option.disabled{opacity:.46}.feedback{margin-top:15px;padding:14px 18px;border-left:3px solid var(--gold);background:#253656;border-radius:9px;font-size:14px}.feedback.good{border-color:var(--green)}.feedback.bad{border-color:var(--red)}.feedback p{margin:5px 0 0;color:#d6e3f8}.actions{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}.actions .primary{flex:1;min-width:175px;display:flex;align-items:center;justify-content:space-between}.hint{margin-top:15px}.tools{margin-top:11px}.lifelines{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:18px 0}.lifeline{min-height:85px;border:1px solid #526b92;border-radius:11px;background:#203756;color:#eaf2ff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;line-height:1.2;font-weight:700;padding:8px}.lifeline:not(:disabled):hover{border-color:var(--gold);background:#29476a}.lifeline.used{opacity:.38;text-decoration:line-through}.lifeline.active{border-color:var(--gold);box-shadow:0 0 16px #d7ac5460}.life-icon{font-size:22px;color:var(--gold);font-weight:900}.tool-divider{height:1px;background:var(--line);margin:22px 0}.stat-row{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:14px;gap:7px}.stat-row strong{color:var(--ink)}.tool-note{margin-top:22px;font-size:12px;color:var(--gold);line-height:1.5}.overlay{position:fixed;inset:0;z-index:10;background:#030a18db;display:grid;place-items:center;padding:15px;overflow-y:auto;backdrop-filter:blur(9px)}.modal-card{width:min(100%,560px);padding:clamp(22px,4vw,42px);text-align:center;box-shadow:0 30px 90px #000c;border-color:#e8bd688a}.modal-icon{width:74px;height:74px;margin:0 auto 13px;display:grid;place-items:center;border:1px solid var(--gold);border-radius:50%;background:#8b65274a;font-size:36px;color:var(--gold)}.modal-card h2{font-size:clamp(23px,4vw,40px);line-height:1.16;margin:9px 0 16px}.modal-card p{color:#d8e4f8}.modal-card strong.prize{display:block;color:var(--gold);font-size:clamp(31px,6vw,54px);line-height:1.3}.modal-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:24px}.poll{display:grid;gap:9px;text-align:left;margin:18px 0}.poll-row{display:grid;grid-template-columns:22px 1fr 42px;align-items:center;gap:8px;font-size:13px}.poll-bar{height:15px;border-radius:10px;background:#304366;overflow:hidden}.poll-bar i{display:block;height:100%;background:linear-gradient(90deg,#b37a30,#f7d08a);border-radius:10px}.summary{background:#081a35;border-radius:12px;padding:14px 18px;text-align:left;margin:18px 0}.summary div{display:flex;justify-content:space-between;gap:15px;padding:5px 0;border-bottom:1px solid #344664}.summary div:last-child{border:0}.about{max-width:990px;padding:36px 22px 62px;margin:auto;color:#bac9e2}.about h2,.about h3{color:#f2f5ff}.related{display:flex;flex-wrap:wrap;gap:10px}.related a{padding:8px 12px;border:1px solid var(--line);border-radius:9px}footer{text-align:center;padding:22px;color:#8ba0c2;border-top:1px solid #ffffff15;font-size:12px}#celebration{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:11}@keyframes breathe{50%{transform:scale(1.05);box-shadow:0 0 0 23px #caa35012,0 0 0 42px #caa35009,0 0 110px #efbb4e6b}}@media(max-width:1050px){.game-layout{grid-template-columns:200px minmax(0,1fr)}.tools{grid-column:2;display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0}.tools>.side-title:first-child{grid-column:1/-1}.tools .lifelines{grid-column:1/-1;display:flex;margin:2px 0}.lifeline{flex:1;min-width:0}.tools .tool-divider{display:none}.tools .tool-note{margin:0;grid-column:1/-1}}@media(max-width:700px){.sitebar{height:62px;padding:0 12px}.sitebar nav{display:none}.icon-btn span{display:none}.intro{min-height:calc(100svh - 62px)}.game-layout{display:flex;flex-direction:column;padding:12px;gap:8px}.ladder-wrap,.arena,.tools{width:100%}.ladder-toggle{display:flex;width:100%;justify-content:space-between;align-items:center;padding:12px 15px;border:1px solid var(--line);border-radius:10px;background:#182b48;color:var(--gold);font-weight:800}.ladder{display:none;margin-top:5px}.ladder-wrap.open .ladder{display:block}.ladder-wrap.open .ladder-toggle span{transform:rotate(180deg)}.ladder ol{display:grid;grid-template-columns:1fr 1fr;gap:2px}.arena{padding:7px 0}.progress-track{margin:13px 0 18px}.question-panel{min-height:160px}.tools{order:2;display:block;padding:14px}.tools .lifelines{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;margin:12px 0}.lifeline{font-size:10px;min-height:66px;padding:4px}.life-icon{font-size:18px}.tools>.side-title:not(:first-child),.tools .stat-row,.tools .tool-note{display:none}.options{gap:9px;margin-top:12px}.option{min-height:67px}}@media(max-width:530px){.options{grid-template-columns:1fr}.option{min-height:56px;padding:9px 12px}.question-panel{padding:23px}.question-panel h2{font-size:21px}.actions{display:grid;grid-template-columns:1fr}.actions .btn{width:100%}.intro-actions{flex-direction:column;width:min(100%,300px)}.prize-preview{gap:10px;font-size:9px}.prize-preview strong{font-size:22px}.intro-orbit{width:125px;height:125px}.orbit-core{width:92px;height:92px;font-size:53px}.intro>.eyebrow{margin-top:37px}.intro h1{font-size:clamp(35px,10vw,54px)}}@media(max-width:350px){.brand{font-size:11px}.brand-mark{width:32px;height:32px}.question-panel h2{font-size:19px}.lifeline{font-size:9px}.prize-preview{letter-spacing:0}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* Audit fixes: keep dialogs usable on short screens and feedback readable. */
body.modal-open{overflow:hidden}
.modal-card{max-height:calc(100dvh - 30px);overflow-y:auto}
.option.correct:disabled,.option.wrong:disabled{opacity:1}
.option:disabled{transform:none}
.ladder li.current .ordinal{color:#4b350e}
@media(max-width:700px){.tools .tool-note{display:block;margin-top:10px}.tools .stat-row{display:flex}.tools>.side-title:not(:first-child){display:flex;margin-top:12px}}