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#ffffff24;border-radius:5px;pointer-events:none}@media(pointer:coarse){.opt-key{display:none}}.opt-btn.correct:after,.lang-btn.correct:after,.opt-btn.wrong:after,.lang-btn.wrong:after{position:absolute;top:7px;inset-inline-end:7px;width:20px;height:20px;line-height:20px;text-align:center;border-radius:50%;font-size:13px;font-weight:800;color:#08111c;pointer-events:none}.opt-btn.correct:after,.lang-btn.correct:after{content:"✓";background:var(--good)}.opt-btn.wrong:after,.lang-btn.wrong:after{content:"✗";background:var(--bad)}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-9px)}40%{transform:translate(8px)}60%{transform:translate(-6px)}80%{transform:translate(5px)}}.shake{animation:shake .4s ease}@keyframes glow-green{0%{box-shadow:0 0 0 2px var(--good),0 0 20px #25d07d55}to{box-shadow:0 0 0 4px var(--good),0 0 40px #25d07dcc}}@media(max-width:980px){.game-topbar{justify-content:center}.code-header{justify-content:space-between}}@media(max-width:720px){.game-body{flex-direction:column;align-items:center}.code-wrap{min-width:auto;width:100%}.options-grid{grid-template-columns:1fr}.timer-ring{width:130px;height:130px}}.results-card{background:#ffffff08;border:1px solid rgba(255,255,255,.1);border-radius:24px;padding:24px;box-shadow:#0000004d 0 20px 50px;max-width:96%;width:720px;max-height:90vh;overflow-y:auto;text-align:center}.trophy{font-size:48px;margin-bottom:10px;filter:drop-shadow(0 0 30px #ffd87499);animation:floatY 3s ease-in-out infinite}@keyframes floatY{0%,to{transform:translateY(0)}50%{transform:translateY(-12px)}}.final-score{font-size:52px;font-weight:800;margin:4px 0}.final-score span{color:#fff}.results-sub{color:#d6e3f3;font-weight:700;font-size:18px;margin-bottom:18px}.lb-note{min-height:18px;font-size:13px;color:var(--muted);margin-bottom:10px}.lb-note.online{color:var(--neon-2)}.lb-note.offline{color:#ffb02e}.leaderboard{max-height:300px;overflow-y:auto;font-size:.9em;display:flex;flex-direction:column;gap:12px;margin-bottom:26px;direction:ltr}.lb-row{display:flex;align-items:center;gap:14px}.lb-rank{flex-shrink:0;width:30px;min-width:30px;text-align:center;font-weight:800;font-size:17px;color:var(--muted);font-variant-numeric:tabular-nums}.lb-row.rank-1 .lb-rank{color:var(--gold-1);font-size:20px;text-shadow:0 0 10px #ffd87455}.lb-row.rank-2 .lb-rank{color:var(--silver-1);font-size:19px}.lb-row.rank-3 .lb-rank{color:var(--bronze-1);font-size:19px}.lb-avatar{width:48px;height:48px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:26px;background:#0e2238;border:2px solid #ffffff22;overflow:hidden}.lb-avatar-img{width:100%;height:100%;border-radius:50%;object-fit:cover;display:block}.lb-bar-wrap{flex:1;position:relative;height:46px}.lb-bar-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:#ffffff0d;border-radius:999px;border:1px solid #ffffff12}.lb-bar-fill{position:absolute;top:0;left:0;bottom:0;width:0;border-radius:999px;transition:width 1.1s cubic-bezier(.2,.8,.2,1);display:flex;align-items:center;padding-left:16px;font-weight:700;font-size:15px;color:#1b1206;white-space:nowrap;box-shadow:inset 0 1px #fff6}.lb-row.rank-1 .lb-bar-fill{background:linear-gradient(90deg,var(--gold-1),var(--gold-2))}.lb-row.rank-2 .lb-bar-fill{background:linear-gradient(90deg,var(--silver-1),var(--silver-2))}.lb-row.rank-3 .lb-bar-fill{background:linear-gradient(90deg,var(--bronze-1),var(--bronze-2))}.lb-row.rank-other 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#2ec5ff44}.modeselect-card{position:relative;width:min(960px,100%);max-width:960px;text-align:center;padding:28px}.ms-title{font-size:30px;margin-bottom:20px}.mode-grid{display:grid;width:100%;max-width:1000px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin:0 auto}.mode-card{display:flex;flex-direction:column;justify-content:space-between;height:180px;background:#0c1a2af5;border:1px solid rgba(255,255,255,.09);border-radius:24px;padding:26px 20px;cursor:pointer;color:var(--text);transition:transform .2s ease,box-shadow .2s ease;box-shadow:0 18px 40px #0000004d}.mode-card:hover{transform:translateY(-5px);box-shadow:0 10px 20px #0006}.mode-card-cyber:hover{border-color:#19f0c447}.mode-card-devops:hover{border-color:#b18cff47}.mode-card-network:hover{border-color:#5fd0ff47}.mode-card-gamedev:hover{border-color:#ff408147}.mode-card-algo:hover{border-color:#2ec5ff47}.mode-card-all:hover{border-color:#ffd87447}.mode-icon{font-size:48px;margin-bottom:14px}.mode-name{font-size:18px;font-weight:700;margin-bottom:8px}.mode-desc{font-size:13px;color:var(--muted);line-height:1.5}@media(max-width:900px){.mode-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}}@media(max-width:720px){.mode-grid{grid-template-columns:1fr;gap:12px}}html,body{min-height:100%;overflow:hidden}#app{height:calc(100vh - var(--tb-h));width:100vw;max-width:100vw}.screen{padding:clamp(12px,1.5vw,20px);align-items:stretch}.home-card,.lobby-card,.results-card,.modeselect-card,.popover,.modal-card{width:100%;max-width:100%}.home-card{padding:16px 12px 18px}.home-actions-row{display:flex;gap:12px;width:100%;max-width:420px;justify-content:center}.home-actions-row button{flex:1;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:10px}.home-actions #btn-start{height:60px;font-size:20px;text-transform:uppercase;background:linear-gradient(135deg,#00d4ff,#0072ff);box-shadow:0 8px 20px #0072ff66;transition:transform .2s,filter .2s}.home-actions #btn-start:hover{transform:scale(1.02);filter:brightness(1.1)}.lobby-code-row{flex-wrap:wrap;gap:10px}.lobby-admin-actions{flex-wrap:wrap}.mp-player-list{max-height:260px}.modal-card,.popover{width:min(94vw,460px)}.setting-row{flex-wrap:wrap;gap:10px}@media(max-width:820px){.home-card{padding:18px 14px 20px}.menu-logo{font-size:56px}.menu-title{font-size:30px}.home-title{font-size:28px}.home-sub{font-size:13px}.mode-card{padding:22px 16px;min-height:150px}.mode-icon{font-size:44px}.mode-name{font-size:17px}.mode-desc{font-size:12px}}@media(max-width:640px){html,body{overflow:visible}#app{height:auto}.screen{padding:12px 12px 18px}.home-card,.lobby-card,.results-card,.modeselect-card{width:min(100%,96vw)}.home-card{padding:16px 14px 20px}.mode-card{padding:18px 14px}.mode-icon{font-size:40px}.mode-grid{gap:12px}}.setting-row span{flex:1 1 120px}.setting-row select,.setting-row input[type=text]{width:min(100%,260px)}.game-topbar{justify-content:space-between}.game-body{flex-wrap:wrap;justify-content:center}.options-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.options-grid.cyber{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.timer-ring{width:clamp(120px,14vw,150px);height:clamp(120px,14vw,150px)}.code-panel{font-size:clamp(15px,1.1vw,18px)}@media(max-width:960px){.game-topbar{justify-content:center;gap:12px}.code-header{justify-content:space-between}}@media(max-width:760px){.home-card,.mode-card{padding:16px 12px}.home-title{font-size:28px}.home-sub{font-size:13px}.lobby-card{padding:16px 12px}.setting-row,.game-body{flex-direction:column;align-items:stretch}.code-wrap{width:100%;min-width:auto}.options-grid{gap:12px}.options-grid.cyber{grid-template-columns:1fr}.lb-row{flex-wrap:wrap;gap:10px}}@media(max-height:760px){.home-card{padding:14px 12px 16px}.home-title{font-size:28px}.home-sub{margin-bottom:10px}.home-card .mode-grid{margin-bottom:14px}.mode-card{min-height:120px;padding:12px 10px}}.corner-btn{position:absolute;top:14px;inset-inline-start:14px;width:34px;height:34px;border-radius:10px;background:#ffffff0d;border:1px solid #ffffff1f;color:#cfe0f2;font-size:16px;cursor:pointer;line-height:1}.corner-btn:hover{background:#ffffff1a}.topbar-left,.topbar-right{display:flex;align-items:center;gap:12px}.correct-pill{background:#0e2238cc;border:1px solid #25d07d44;border-radius:999px;padding:9px 16px;font-size:16px;font-weight:700;color:var(--good)}.end-btn{background:#2a1320;border:1px solid #ff547055;color:#ff9fb1;font-size:14px;font-weight:700;padding:9px 16px;border-radius:999px;cursor:pointer;transition:background .15s,box-shadow .2s}.end-btn:hover{background:#3a1320;box-shadow:0 0 18px #ff547033}.lifeline-btn{display:inline-flex;align-items:center;gap:6px;background:#123049;border:1px solid #2ec5ff55;color:#bfe6ff;font-size:13px;font-weight:800;padding:8px 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solid #ffffff1f;color:#d8e6f6;font-size:14px;font-weight:600;padding:9px 14px;border-radius:10px;cursor:pointer;transition:background .15s,border-color .2s,transform .12s}.about-link:hover{background:#ffffff1a;border-color:#2ec5ff66;transform:translateY(-2px)}.opt-btn.selected,.lang-btn.selected,.mode-card.selected{border-color:var(--neon);box-shadow:inset 0 0 0 2px #2ec5ff40,0 0 0 1px #2ec5ff26;transform:translateY(-1px)}.lobby-card{position:relative;width:min(560px,94%);text-align:center;padding:28px 30px 32px;background:linear-gradient(180deg,#0d213aee,#0a1828ee);border:1px solid #ffffff14;border-radius:22px;box-shadow:0 30px 80px #0006}@media(max-width:480px){.lobby-card{width:96%;padding:20px 15px}}.lobby-label{color:var(--muted);font-size:14px;margin-bottom:6px}.lobby-code-row{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:8px}.lobby-code{font-size:42px;font-weight:800;letter-spacing:.35em;color:var(--neon);font-family:ui-monospace,Consolas,monospace}.lobby-mode{color:var(--muted);font-size:14px;margin-bottom:20px}.lobby-players-title{font-size:16px;margin:0 0 10px;color:#dbe8f8}.lobby-wait{color:var(--muted);margin:16px 0}.lobby-admin-actions{display:flex;gap:10px;justify-content:center;margin:18px 0 8px;flex-wrap:wrap}.lobby-leave{margin-top:12px}.mp-player-list{display:flex;flex-direction:column;gap:8px;text-align:start;max-height:240px;overflow-y:auto}.mp-player-row{display:flex;align-items:center;gap:10px;background:#0e2238;border:1px solid #ffffff12;border-radius:12px;padding:10px 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#2ec5ff44;background:#0e2238;color:#dceaff;font-size:18px;line-height:1;font-weight:700;display:inline-flex;align-items:center;justify-content:center}.ui-scale-btn:hover{background:#14314f;border-color:#2ec5ff88}.ui-scale-btn:focus-visible{outline:2px solid var(--neon, #2ec5ff);outline-offset:2px}.ui-scale-value{min-width:48px;text-align:center;font-weight:700;color:#dceaff}html.ui-scaled{overflow-x:hidden}html.ui-scaled body{overflow-y:auto;overflow-x:hidden;height:auto}html.ui-scaled #app{transform:scale(var(--ui-scale, 1));transform-origin:0 0;width:calc(100% / var(--ui-scale, 1));min-height:calc((100vh - var(--tb-h, 0px)) / var(--ui-scale, 1));height:auto;overflow:visible;display:block}html.ui-scaled .screen{position:relative;inset:auto}html.ui-scaled .screen.active{position:relative;inset:auto;overflow:visible;justify-content:flex-start;min-height:calc((100vh - var(--tb-h, 0px)) / var(--ui-scale, 1))}.lb-mode-switch{display:flex;align-items:center;justify-content:center;gap:10px;margin:6px 0 12px;font-weight:600;color:#9fb4cc;flex-wrap:wrap}.lb-mode-switch.hidden{display:none}.lb-mode-switch select{background:#0e2238;color:#dceaff;border:1px solid #2ec5ff44;border-radius:8px;padding:6px 10px;font:inherit;font-weight:600;cursor:pointer}.lb-mode-switch select:focus-visible{outline:2px solid var(--neon, #2ec5ff);outline-offset:2px}.lb-row.is-clickable{cursor:pointer}.lb-row.is-clickable:hover{filter:brightness(1.08)}.lb-row.is-clickable:focus-visible{outline:2px solid var(--neon, #2ec5ff);outline-offset:2px}.home-profile.is-clickable{cursor:pointer}.home-profile.is-clickable:focus-visible{outline:2px solid var(--neon, #2ec5ff);outline-offset:3px;border-radius:999px}.player-card-lastseen{margin:-8px 0 12px;color:#8ea6c0;font-size:12.5px;font-weight:600}.player-card-lastseen.is-online{color:#25d07d}.player-card-lastseen.hidden{display:none}.player-card-profile-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin:2px 0 12px}.player-card-profile-stats.hidden{display:none}.pcs-cell{background:#0e2238;border:1px solid #ffffff10;border-radius:11px;padding:9px 6px;display:flex;flex-direction:column;align-items:center;gap:2px;min-width:0}.pcs-value{font-size:18px;font-weight:800;color:#eaf4ff;line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.pcs-label{font-size:10.5px;color:#8ea6c0;font-weight:600;text-align:center}.pcs-hero{grid-column:1 / -1;background:linear-gradient(135deg,#123a5c,#0e2238);border-color:#2ec5ff44;padding:11px}.pcs-hero .pcs-value{font-size:26px;color:var(--neon, #2ec5ff)}.pcs-hero .pcs-label{font-size:11.5px}.pcs-levelbar{grid-column:1 / -1;background:linear-gradient(135deg,#123a5c,#0e2238);border:1px solid #2ec5ff44;border-radius:12px;padding:10px 12px;display:flex;flex-direction:column;gap:7px}.pcs-lvl-top{display:flex;align-items:center;gap:9px}.pcs-lvl-badge{font-weight:800;font-size:14px;color:#08111c;background:var(--neon, #2ec5ff);border-radius:8px;padding:2px 9px;box-shadow:0 0 14px #2ec5ff66}.pcs-lvl-title{font-weight:700;color:#eaf4ff;font-size:13.5px}.pcs-streak{margin-inline-start:auto;font-weight:800;font-size:13px;color:#ffcf6b;background:#ffcf6b1f;border:1px solid #ffcf6b55;border-radius:999px;padding:2px 10px}.pcs-xpbar{height:8px;border-radius:999px;background:#0a1a2c;overflow:hidden;box-shadow:inset 0 0 0 1px #ffffff12}.pcs-xpfill{height:100%;border-radius:999px;min-width:2px;background:linear-gradient(90deg,#2ec5ff,#19f0c4);box-shadow:0 0 12px #2ec5ff88;transition:width .6s ease}.pcs-xptext{font-size:10.5px;color:#8ea6c0;text-align:end;font-weight:600}.pcs-ach{grid-column:1 / -1;margin-top:2px}.pcs-ach-title{font-size:12.5px;font-weight:700;color:#9fb4cc;margin:2px 0 6px}.pcs-ach-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:6px}.pcs-ach-item{display:flex;flex-direction:column;align-items:center;gap:3px;text-align:center;background:#0e2238;border:1px solid #ffffff10;border-radius:10px;padding:7px 4px;opacity:.38;filter:grayscale(1);transition:opacity .2s,filter .2s}.pcs-ach-item.is-earned{opacity:1;filter:none;border-color:#2ec5ff55;background:#123049;box-shadow:0 0 14px #2ec5ff22}.pcs-ach-icon{font-size:20px;line-height:1}.pcs-ach-name{font-size:9.5px;font-weight:600;color:#cfe0f4;line-height:1.15}.achievement-pop{position:fixed;top:18px;left:50%;transform:translate(-50%) translateY(-140%);z-index:1000001;pointer-events:none;text-align:center;background:linear-gradient(135deg,#123a5c,#0e2238);border:1px solid #2ec5ff66;border-radius:14px;padding:12px 22px;box-shadow:0 18px 44px #0009,0 0 26px #2ec5ff44;opacity:0;transition:transform .45s cubic-bezier(.2,1.2,.3,1),opacity 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