:root{--txt:#e9fbff;--cyan:#63e5ff;--yellow:#ffe27a;--green:#72f1ae;--violet:#bd8cff}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 50% 0,#102b37,#071015 45%,#03080b);color:var(--txt);font-family:Inter,system-ui,Arial;min-height:100vh}#app{width:min(1060px,96vw);margin:18px auto}.hud{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-bottom:10px}.hud .box{padding:8px 10px;background:#0a1c25e8;border:1px solid #245264;border-radius:12px;text-align:center;font-size:12px}.hud b{display:block;font-size:16px;margin-top:2px}#gameWrap{position:relative}canvas{display:block;margin:auto;max-width:100%;height:auto;background:#061116;border:1px solid #2e6073;border-radius:18px;box-shadow:0 0 40px #42d5ff1f}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:20px;background:#02080cd1;backdrop-filter:blur(4px);border-radius:18px}.overlay.hidden{display:none}.panel{width:min(760px,94%);max-height:90%;overflow:auto;background:linear-gradient(#10252f,#0a171d);border:1px solid #2a5f72;border-radius:18px;padding:22px;box-shadow:0 20px 60px #0007}h1,h2{margin:.1em 0 .45em}h1{font-size:clamp(28px,5vw,52px);letter-spacing:.06em}.subtitle{color:var(--cyan);font-weight:700}p{line-height:1.45}.primary,.choice{border:1px solid #48c9e7;background:#10303c;color:white;border-radius:10px;padding:10px 14px;cursor:pointer}.primary:hover,.choice:hover{background:#17485a}.choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:14px}.feedback{min-height:30px;margin-top:12px;font-weight:700}.good{color:var(--green)}.bad{color:#ff9ca5}#objective{color:#cceff6}.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;color:#9fc0ca;margin:8px 0 12px}.progress{height:8px;background:#0d222b;border-radius:999px;overflow:hidden;margin:8px 0 12px}.progress>div{height:100%;background:linear-gradient(90deg,#63e5ff,#72f1ae)}.science-card{padding:14px;border:1px solid #2b5e70;border-radius:14px;background:#08151b;margin:10px 0}.small{font-size:12px;color:#9fc0ca}.level-menu-btn{margin:8px 0 10px;border:1px solid #2f7890;background:#0a1c25;color:#e9fbff;border-radius:10px;padding:8px 13px;cursor:pointer;font-weight:700}
.level-menu-btn:hover{background:#123746}
.level-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px}
.level-card{border:1px solid #2a5f72;background:#0a1c25;color:#e9fbff;border-radius:14px;padding:15px;text-align:left;cursor:pointer;min-height:110px}
.level-card:hover{background:#123746;border-color:#63e5ff}
.level-card b{display:block;color:#63e5ff;margin-bottom:6px;font-size:16px}
.level-card span{font-size:13px;line-height:1.35;color:#c5e6ee}
.mobile{display:none;justify-content:center;gap:8px;margin-top:10px}.pad{display:grid;grid-template-columns:repeat(3,52px);grid-template-rows:repeat(2,46px);gap:5px}.pad button{border:1px solid #245264;background:#0d222b;color:white;border-radius:9px;font-size:20px}@media(max-width:800px){.hud{grid-template-columns:repeat(3,1fr)}.choices,.level-grid{grid-template-columns:1fr}.mobile{display:flex}}
.chem-sub{font-size:.72em;vertical-align:sub;line-height:0;font-weight:800}
.action-area{margin-top:14px}
.finish-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.atomline{margin-top:12px;line-height:1.75;font-size:17px}
.atomline-compact{margin-top:10px;line-height:1.7}
.feedback-equation{font-size:28px;margin-top:10px}
.atom-rows{margin-top:8px}
.feedback-note{margin-top:10px;font-weight:700}
.mission-row{display:flex;align-items:center;gap:10px;padding:8px 10px;margin:6px 0;border:1px solid;border-radius:10px}
.mission-row-complete{border-color:#2d7256;background:#0c2a22}
.mission-row-pending{border-color:#35505b;background:#101b20}
.mission-status{font-size:19px;font-weight:900}
.summary-count{font-size:26px;font-weight:900;margin:10px 0 14px}
.completion-note{font-weight:800;margin-top:14px}
.summary-remaining{margin-top:14px}
.summary-divider{border:0;border-top:1px solid #28505d;margin:16px 0}