:root{color-scheme:dark;--ink:#f6f1df;--muted:#b7b9bb;--panel:#15233a;--panel2:#1d3150;--line:#496486;--gold:#f4c86a;--mint:#8adbc5;--danger:#ffb09d}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 20% 0,#28456d 0,#0b1425 52%,#070d18);font-family:ui-rounded,Avenir Next,system-ui,sans-serif;color:var(--ink)}button,select{font:inherit}button{cursor:pointer}.screen{width:min(100%,1100px);margin:0 auto;padding:clamp(18px,4vw,42px)}[hidden]{display:none!important}.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px}.return-link{color:var(--muted);text-decoration:none}.utilities{position:relative}.icon-btn,.back-btn,.text-btn{border:0;background:transparent;color:var(--ink);padding:12px;border-radius:14px}.icon-btn:hover,.back-btn:hover,.text-btn:hover{background:#ffffff12}.settings-panel{position:absolute;right:0;top:48px;z-index:3;width:220px;padding:16px;border:1px solid var(--line);border-radius:18px;background:#0e1a2bef;box-shadow:0 14px 44px #0007}.setting-row{display:flex;width:100%;justify-content:space-between;align-items:center;gap:10px;padding:11px 0;border:0;background:transparent;color:var(--ink);text-align:left}.setting-row select{max-width:110px;background:var(--panel2);border:1px solid var(--line);border-radius:8px;color:var(--ink);padding:5px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);gap:clamp(22px,5vw,64px);align-items:center;padding:34px 0 28px}.cover-wrap{border:1px solid #6688ae;border-radius:30px;padding:12px;background:linear-gradient(145deg,#274a74,#121f36);box-shadow:0 25px 70px #0005}.cover{display:block;width:100%;height:auto;border-radius:20px}.kicker{font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:.78rem}.hero-copy h1{font-size:clamp(38px,7vw,78px);line-height:.95;margin:12px 0 18px}.intro{font-size:clamp(17px,2.2vw,22px);line-height:1.45;color:#d8dbe0}.hero-actions,.battle-actions,.result-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.primary-btn,.secondary-btn{border-radius:15px;padding:14px 18px;border:1px solid var(--gold);font-weight:800}.primary-btn{background:var(--gold);color:#182235}.secondary-btn{background:#1b2f4b;color:var(--ink);border-color:#6282a9}.guide-card,.clue-card,.chain-card,.result-card{border:1px solid #496486;border-radius:22px;background:#122039cc;padding:22px}.guide-card h2{margin-top:0}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.guide-grid article{background:#ffffff08;border-radius:16px;padding:16px}.guide-grid p{color:var(--muted);line-height:1.45;margin-bottom:0}.panel-screen{max-width:760px}.panel-head{display:grid;grid-template-columns:80px 1fr 90px;align-items:center;gap:8px;margin-bottom:22px}.panel-head h2{margin:0;text-align:center}.round-label{text-align:center;color:var(--muted);margin:6px 0 0}.check-pill{justify-self:end;background:#ffffff0e;padding:9px 12px;border-radius:99px;color:var(--muted)}.check-pill b{color:var(--gold)}.battle-content{display:grid;gap:15px}.clue-card strong,.chain-card strong{display:block;color:var(--mint);margin-bottom:10px}.clue-card ul{margin:0;padding-left:20px;line-height:1.65;color:#e6e2d4}.battle-hint{color:var(--muted);margin:0}.chain-list{display:flex;flex-wrap:wrap;gap:9px;min-height:44px;align-items:center}.chain-light{background:#2b4567;border:1px solid #6688ae;border-radius:12px;padding:9px 11px}.chain-empty{color:var(--muted)}.lantern-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.lantern-choice{min-height:94px;border:1px solid #5b7699;border-radius:16px;background:#1a3150;color:var(--ink);display:grid;place-items:center;gap:4px;padding:11px}.lantern-choice span{font-size:30px}.lantern-choice b{font-size:.9rem}.lantern-choice:disabled{opacity:.35;cursor:default}.battle-status{min-height:25px;margin:0;color:var(--gold);font-weight:700}.result-card{text-align:center;margin-top:15vh}.result-spark{color:var(--gold);font-size:46px}.result-card h2{font-size:clamp(32px,6vw,58px);margin:8px 0}.result-card p{color:#d6d8dc;font-size:18px;line-height:1.5}.result-actions{justify-content:center}@media(max-width:720px){.hero-grid{grid-template-columns:1fr;padding-top:20px}.hero-copy h1{font-size:clamp(42px,14vw,68px)}.guide-grid{grid-template-columns:1fr}.panel-head{grid-template-columns:64px 1fr 72px}.panel-head h2{font-size:1.35rem}.screen{padding:18px}.lantern-grid{grid-template-columns:repeat(2,1fr)}}.guide-card{width:min(100%,1100px);margin:0 auto clamp(18px,4vw,42px)}body[data-screen=stage] .game-page-info,body[data-screen=battle] .game-page-info,body[data-screen=result] .game-page-info{display:none!important}body[data-screen=main] .game-page-info{display:block}