:root{--ink: #09090b;--panel: #101013;--panel-2: #16161a;--line: #212127;--line-2: #2d2d35;--text: #ececef;--dim: #82828d;--faint: #55555e;--you: #2ee6c5;--you-dim: #17796a;--foe: #ff9d3d;--foe-dim: #8a5320;--bad: #ff4d4f;--mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;--r: 3px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--ink);color:var(--text);font:400 14px/1.6 var(--sans);-webkit-font-smoothing:antialiased}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.024) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.024) 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.35) 45%,transparent 85%);-webkit-mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.35) 45%,transparent 85%)}.app{display:flex;flex-direction:column;min-height:100%;position:relative}.micro,.fighter-label,.timer-label,.leaderboard th,h4{font:500 10px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}h1{font:600 24px/1.2 var(--sans);letter-spacing:-.02em;margin:0 0 6px}h2{font:600 17px/1.3 var(--sans);letter-spacing:-.01em;margin:0}h3{font:600 14px/1.3 var(--sans);margin:22px 0 10px}h4{margin:20px 0 8px}.muted{color:var(--dim)}.error{color:var(--bad);font-family:var(--mono);font-size:12px}.inline-error{margin-left:4px}.header{display:flex;align-items:center;justify-content:space-between;padding:0 22px;height:52px;border-bottom:1px solid var(--line);background:#09090bd9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0;z-index:40}.brand{font:700 15px/1 var(--mono);letter-spacing:-.03em;color:var(--text);text-decoration:none}.brand span{color:var(--you)}.brand:after{content:"_";color:var(--you);animation:blink 1.2s steps(1) infinite}@keyframes blink{50%{opacity:0}}.header nav{display:flex;align-items:center;gap:16px}.header nav a{font:500 11px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--dim);text-decoration:none}.header nav a:hover{color:var(--text)}.rating-chip{font:700 13px/1 var(--mono);font-variant-numeric:tabular-nums;color:var(--you)}.rating-chip:before{content:"◆";font-size:8px;vertical-align:2px;margin-right:5px;color:var(--you-dim)}.plan-chip{font:500 9px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;border:1px solid var(--line-2);color:var(--faint);padding:4px 7px;border-radius:var(--r)}.plan-chip.plan-paid{border-color:var(--you-dim);color:var(--you)}main{flex:1;padding:32px 22px 48px;max-width:1480px;width:100%;margin:0 auto}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:26px;margin-bottom:18px}.auth-card{max-width:360px;margin:9vh auto}.center-card{max-width:520px;margin:9vh auto;text-align:center}.center{text-align:center;padding:80px 20px;color:var(--dim);font-family:var(--mono);font-size:12px}form{display:flex;flex-direction:column;gap:16px;margin-top:22px}label{display:flex;flex-direction:column;gap:7px}label>span,label{font:500 10px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}label.inline{flex-direction:row;align-items:center;gap:12px;margin:20px 0}input,select{background:var(--ink);border:1px solid var(--line-2);color:var(--text);padding:10px 12px;border-radius:var(--r);font:400 13px/1.4 var(--mono);letter-spacing:0;text-transform:none}input:focus,select:focus{outline:none;border-color:var(--you-dim)}input::placeholder{color:var(--faint)}label small{font:400 11px/1.4 var(--sans);letter-spacing:0;text-transform:none;color:var(--faint)}button{background:var(--you);color:#04120f;border:1px solid var(--you);padding:11px 18px;border-radius:var(--r);font:700 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;cursor:pointer;transition:opacity .12s ease,transform .06s ease}button:hover:not(:disabled){opacity:.88}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.35;cursor:not-allowed}button.secondary{background:transparent;color:var(--text);border-color:var(--line-2)}button.secondary:hover:not(:disabled){border-color:var(--faint);opacity:1}button.ranked{background:var(--foe);border-color:var(--foe);color:#150a01}button.upgrade{background:transparent;border-color:var(--you);color:var(--you);margin-left:14px}.link-button{background:none;border:0;color:var(--dim);padding:0;font:500 11px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase}.link-button:hover{color:var(--bad)}.button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}a{color:var(--you)}.lobby{display:grid;grid-template-columns:1.4fr 1fr;gap:18px;align-items:start}.lobby-hero{padding:34px}.lobby-hero h1{font-size:30px}.lobby-hero .tagline{font:400 13px/1.7 var(--sans);color:var(--dim);max-width:44ch;margin:0 0 4px}.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:26px}.mode{text-align:left;background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r);padding:18px;display:flex;flex-direction:column;gap:7px;color:var(--text);letter-spacing:0;text-transform:none;font-family:var(--sans);font-weight:400;font-size:13px}.mode:hover:not(:disabled){border-color:var(--line-2);opacity:1}.mode-name{font:700 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase}.mode.casual .mode-name{color:var(--text)}.mode.ranked{border-color:var(--foe-dim)}.mode.ranked .mode-name{color:var(--foe)}.mode-desc{color:var(--dim);font-size:12px;line-height:1.5}.pips{display:flex;gap:4px;margin-top:2px;align-items:center}.pip{width:16px;height:4px;border-radius:1px;background:var(--foe)}.pip.spent{background:var(--line-2)}.pips-label{font:500 10px/1 var(--mono);letter-spacing:.1em;color:var(--faint);margin-left:6px}.pips-infinite{font:700 13px/1 var(--mono);color:var(--foe)}.queue-state{display:flex;align-items:center;gap:14px;margin-top:26px;padding:18px;border:1px dashed var(--line-2);border-radius:var(--r);font:500 11px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}.queue-state button{margin-left:auto}.spinner{width:10px;height:10px;border-radius:50%;background:var(--you);animation:ping 1.1s ease-out infinite}@keyframes ping{0%{box-shadow:0 0 #2ee6c580}to{box-shadow:0 0 0 10px #2ee6c500}}.notice{margin-top:20px;padding:16px;border:1px solid var(--foe-dim);border-left-width:2px;border-radius:var(--r);background:#ff9d3d0d;font-size:13px}.test-badge{font:500 9px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--foe);border:1px dashed var(--foe-dim);padding:4px 7px;border-radius:var(--r);margin-left:10px}.billing-message{font:400 12px/1.5 var(--mono);color:var(--dim);margin:12px 0 0;letter-spacing:0}.history{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:12px}.history td{padding:11px 6px;border-bottom:1px solid var(--line)}.history tr:last-child td{border-bottom:0}.history .result{font-weight:700;letter-spacing:.1em;text-transform:uppercase;font-size:10px;width:46px}.result.win{color:var(--you)}.result.loss{color:var(--bad)}.result.draw{color:var(--faint)}.history .opp{font-family:var(--sans);font-size:13px}.history .meta{color:var(--faint);text-align:right}.empty{font:400 12px/1.6 var(--mono);color:var(--faint);padding:26px 0;text-align:center}.leaderboard{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:13px}.leaderboard th{text-align:left;padding:0 8px 10px;border-bottom:1px solid var(--line-2)}.leaderboard td{padding:11px 8px;border-bottom:1px solid var(--line)}.leaderboard .rank{color:var(--faint);width:44px;font-variant-numeric:tabular-nums}.leaderboard tr:nth-child(-n+3) .rank{color:var(--you);font-weight:700}.leaderboard .player{font-family:var(--sans);font-size:14px}.leaderboard .rating{font-weight:700;font-variant-numeric:tabular-nums;color:var(--you);text-align:right}.leaderboard .played{color:var(--faint);text-align:right;font-variant-numeric:tabular-nums}.fightcard{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;padding:16px 20px;border:1px solid var(--line);border-radius:var(--r);background:var(--panel);margin-bottom:14px}.fighter{display:flex;flex-direction:column;gap:5px;min-width:0}.fighter.foe{align-items:flex-end;text-align:right}.fighter-label{color:var(--faint)}.fighter.you .fighter-label{color:var(--you-dim)}.fighter.foe .fighter-label{color:var(--foe-dim)}.fighter-name{font:600 15px/1.2 var(--sans);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.fighter-rating{font:700 12px/1 var(--mono);font-variant-numeric:tabular-nums}.fighter.you .fighter-rating{color:var(--you)}.fighter.foe .fighter-rating{color:var(--foe)}.fightcard-center{text-align:center}.problem-chip{font:500 11px/1 var(--mono);letter-spacing:.06em;color:var(--dim);margin-top:8px;display:flex;gap:8px;align-items:center;justify-content:center}.difficulty{letter-spacing:.14em;text-transform:uppercase;font-size:9px;font-weight:700}.difficulty.easy{color:var(--you)}.difficulty.medium{color:var(--foe)}.difficulty.hard{color:var(--bad)}.ranked-pill{font:700 9px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--foe);border:1px solid var(--foe-dim);padding:4px 7px;border-radius:var(--r)}.timer-label{display:block;margin-bottom:5px}.timer-value{font:700 38px/1 var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}.timer.urgent .timer-value{color:var(--bad);animation:pulse-urgent 1s ease-in-out infinite}@keyframes pulse-urgent{50%{opacity:.45}}.duel-body{display:grid;grid-template-columns:330px minmax(0,1fr) 230px;gap:14px;height:calc(100vh - 220px);min-height:520px}.problem-pane,.editor-pane,.opponent-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:auto}.problem-pane,.opponent-panel{padding:20px}.editor-pane{display:flex;flex-direction:column;padding:0;overflow:hidden}.editor-wrap{flex:1 1 auto;min-height:0}.editor-actions,.run-result{flex:0 0 auto}.statement{font:400 13px/1.7 var(--sans);white-space:pre-wrap;color:#d3d3d8;margin:0 0 12px}.statement strong{color:var(--text)}.sample{border:1px solid var(--line);border-radius:var(--r);margin-bottom:8px;overflow:hidden}.sample-row{display:grid;grid-template-columns:62px 1fr;border-bottom:1px solid var(--line)}.sample-row:last-child{border-bottom:0}.sample-row>span{font:500 9px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--faint);padding:11px 10px;border-right:1px solid var(--line);background:var(--panel-2)}.sample-row pre{margin:0;padding:10px;font:400 12px/1.5 var(--mono);overflow-x:auto;white-space:pre-wrap;word-break:break-word}.editor-actions{display:flex;align-items:center;gap:10px;padding:12px 14px;border-top:1px solid var(--line);background:var(--panel-2)}.editor-actions .lang{margin-left:auto;font:500 10px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}.run-result{border-top:1px solid var(--line);padding:13px 14px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;font:500 11px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase}.run-result .verdict{font-weight:700}.run-result .counts{color:var(--dim);font-variant-numeric:tabular-nums}.verdict-accepted .verdict{color:var(--you)}.verdict-wrong_answer .verdict,.verdict-runtime_error .verdict,.verdict-tle .verdict,.verdict-mle .verdict,.verdict-system_error .verdict{color:var(--bad)}.stderr{flex-basis:100%;margin:4px 0 0;padding:10px;background:var(--ink);border-radius:var(--r);font:400 11px/1.5 var(--mono);letter-spacing:0;text-transform:none;color:var(--bad);max-height:110px;overflow:auto;white-space:pre-wrap}.opponent-panel{border-color:var(--foe-dim)}.opponent-panel h4{color:var(--foe-dim);margin-top:0}.opponent-state{display:flex;align-items:center;gap:9px;font:500 12px/1 var(--mono);color:var(--dim)}.dot{width:7px;height:7px;border-radius:50%;background:var(--faint);flex:none}.state-typing .dot,.state-running .dot,.state-submitting .dot{background:var(--foe);animation:pulse-urgent 1.1s ease-in-out infinite}.state-submitting{color:var(--foe)}.opponent-tests{margin-top:20px}.bar{height:3px;background:var(--line);border-radius:2px;overflow:hidden;margin-bottom:9px}.bar-fill{height:100%;background:var(--foe);transition:width .35s ease}.tests-count{font:700 12px/1 var(--mono);font-variant-numeric:tabular-nums;color:var(--foe)}.tests-label{font:400 11px/1.4 var(--sans);color:var(--faint);display:block;margin-top:4px}.opponent-disconnected{border-top:1px solid var(--line);margin-top:18px;padding-top:18px}.opponent-disconnected strong{display:block;color:var(--bad);font:700 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase}.grace-count{font:700 26px/1 var(--mono);font-variant-numeric:tabular-nums;color:var(--bad);display:block;margin:10px 0 4px}.countdown-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;background:#09090bf5;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}.countdown-number{font:700 140px/1 var(--mono);font-variant-numeric:tabular-nums;color:var(--you);letter-spacing:-.05em;animation:countdown-tick 1s ease-out infinite}@keyframes countdown-tick{0%{transform:scale(1.12);opacity:1}40%{transform:scale(1);opacity:1}to{transform:scale(1);opacity:.7}}.ready-room .versus{display:flex;align-items:center;justify-content:center;gap:22px;margin:28px 0}.versus-name{font:600 17px/1 var(--sans)}.versus-name.you{color:var(--you)}.versus-name.foe{color:var(--foe)}.versus-vs{font:700 11px/1 var(--mono);letter-spacing:.2em;color:var(--faint)}.result-screen{max-width:760px;margin:5vh auto}.result-headline{font:700 46px/1 var(--mono);letter-spacing:-.04em;text-transform:uppercase;margin:0 0 10px}.result-headline.win{color:var(--you)}.result-headline.loss{color:var(--bad)}.result-headline.draw{color:var(--dim)}.result-reason{font:400 13px/1.6 var(--sans);color:var(--dim);margin:0 0 22px}.rating-delta{font:700 22px/1 var(--mono);font-variant-numeric:tabular-nums;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:24px}.rating-delta .to{color:var(--dim);font-size:13px;font-weight:400;margin-left:10px}.submission{border:1px solid var(--line);border-radius:var(--r);margin-bottom:12px;overflow:hidden}.submission.is-you{border-color:var(--you-dim)}.submission.is-foe{border-color:var(--foe-dim)}.submission header{display:flex;align-items:center;gap:12px;padding:11px 14px;background:var(--panel-2);border-bottom:1px solid var(--line);font:500 10px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase}.submission.is-you header strong{color:var(--you)}.submission.is-foe header strong{color:var(--foe)}.submission header .spacer{margin-left:auto;color:var(--faint);font-variant-numeric:tabular-nums}.verdict-tag{padding:3px 7px;border:1px solid var(--line-2);border-radius:var(--r);color:var(--dim)}.verdict-tag.verdict-accepted{border-color:var(--you-dim);color:var(--you)}.code-reveal{margin:0;padding:14px;background:var(--ink);font:400 12px/1.6 var(--mono);overflow:auto;max-height:320px}@media (max-width: 1180px){.lobby{grid-template-columns:1fr}.duel-body{grid-template-columns:1fr;height:auto}.editor-wrap{height:440px}.opponent-panel{order:-1}}@media (max-width: 620px){main{padding:20px 14px 36px}.mode-grid{grid-template-columns:1fr}.fightcard{grid-template-columns:1fr;gap:14px;text-align:center}.fighter,.fighter.foe{align-items:center;text-align:center}.timer-value{font-size:32px}.result-headline{font-size:34px}.countdown-number{font-size:96px}}.nav-upgrade{font:700 10px/1 var(--mono)!important;letter-spacing:.14em;text-transform:uppercase;color:var(--ink)!important;background:var(--you);padding:7px 11px;border-radius:var(--r)}.nav-upgrade:hover{opacity:.88}.header nav a.active{color:var(--text)}.button-link{display:inline-block;background:var(--you);color:#04120f;font:700 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;padding:11px 18px;border-radius:var(--r);text-decoration:none}.button-link:hover{opacity:.88}.button-link.small{padding:8px 12px;font-size:10px;margin-top:12px}.small-link{display:block;margin-top:14px;font-size:12px}.rank-badge{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--tier-dim);border-radius:var(--r);padding:4px 8px;white-space:nowrap}.rank-tier{font:700 9px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--tier)}.rank-rating{font:700 11px/1 var(--mono);font-variant-numeric:tabular-nums;color:var(--text)}.rank-md .rank-tier{font-size:11px}.rank-md .rank-rating{font-size:13px}.rank-lg{padding:7px 12px}.rank-lg .rank-tier{font-size:14px;letter-spacing:.1em}.rank-progress{min-width:220px}.rank-progress-head{display:flex;align-items:center;gap:12px;margin-bottom:10px}.rank-progress-rating{font:700 24px/1 var(--mono);font-variant-numeric:tabular-nums;color:var(--tier)}.rank-bar{height:4px;background:var(--line);border-radius:2px;overflow:hidden}.rank-bar-fill{height:100%;background:var(--tier);transition:width .4s ease}.rank-progress-note{display:block;margin-top:8px;font:400 11px/1 var(--mono);color:var(--faint)}.status-pill{display:inline-flex;align-items:center;gap:8px;font:500 11px/1 var(--mono);color:var(--dim)}.status-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--faint)}.status-pill.state-typing .dot,.status-pill.state-running .dot,.status-pill.state-submitting .dot{background:var(--foe);animation:pulse-urgent 1.1s infinite}.status-pill.state-solved{color:var(--you)}.status-pill.state-solved .dot{background:var(--you)}.status-pill.state-disconnected{color:var(--bad)}.premium-lock{position:relative;max-height:460px;overflow:hidden}.premium-lock:after{content:"";position:absolute;left:0;right:0;bottom:0;height:160px;background:linear-gradient(180deg,transparent,var(--ink));pointer-events:none}.premium-lock-content{filter:blur(7px);pointer-events:none;-webkit-user-select:none;user-select:none;opacity:.5}.premium-lock-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:30px}.premium-lock-overlay h3{margin:0}.premium-lock-overlay p{max-width:46ch;margin:0 0 6px}.lock-icon{font-size:26px}.resume-bar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;border:1px solid var(--foe-dim);border-left-width:2px;border-radius:var(--r);background:#ff9d3d0f;padding:14px 18px;margin-bottom:18px;font-size:13px}.resume-bar button{margin-left:auto}.hero{padding:56px 0 40px;text-align:center}.hero-title{font:600 44px/1.1 var(--sans);letter-spacing:-.035em;margin:0 0 16px}.hero-pitch{font-size:15px;color:var(--dim);max-width:52ch;margin:0 auto 38px}.hero-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:760px;margin:0 auto}.cta{display:flex;flex-direction:column;gap:8px;text-align:left;padding:24px;border-radius:var(--r);font-family:var(--sans);letter-spacing:0;text-transform:none;font-weight:400}.cta-title{display:flex;align-items:center;gap:10px;font:700 13px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase}.cta-sub{font-size:12.5px;opacity:.75;line-height:1.5}.cta-primary{background:var(--you);border-color:var(--you);color:#04120f}.cta-secondary{background:var(--panel);border:1px solid var(--line-2);color:var(--text)}.cta-secondary:hover:not(:disabled){border-color:var(--foe-dim);opacity:1}.cta-secondary .cta-title{color:var(--foe)}.cta-lock{font-size:9px;opacity:.85}.stats-strip{display:flex;gap:32px;flex-wrap:wrap;align-items:flex-start;border-top:1px solid var(--line);padding-top:26px;margin-top:10px}.stats-strip.signed-out{align-items:center;gap:20px}.stat{display:flex;flex-direction:column;gap:7px}.stat-value{font:700 24px/1 var(--mono);font-variant-numeric:tabular-nums}.stat-value.accent{color:var(--you)}.stat-note{font:400 11px/1 var(--mono);color:var(--faint)}.stat-upgrade{margin-left:auto;align-self:center;max-width:280px;font-size:12.5px;color:var(--dim);text-decoration:none;border:1px dashed var(--line-2);border-radius:var(--r);padding:12px 14px}.stat-upgrade:hover{border-color:var(--you-dim);color:var(--text)}.stat-upgrade strong{color:var(--you)}.queue-card{max-width:560px}.mode-toggle{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:24px 0}.toggle{display:flex;flex-direction:column;gap:6px;padding:16px;background:var(--panel-2);border:1px solid var(--line);color:var(--dim);font:700 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase}.toggle.active{border-color:var(--you-dim);color:var(--you)}.toggle.ranked{background:var(--panel-2);border-color:var(--line);color:var(--dim)}.toggle.ranked.active{border-color:var(--foe-dim);color:var(--foe)}.toggle-sub{font:400 11px/1.3 var(--sans);letter-spacing:0;text-transform:none;color:var(--faint)}.draw-note{border:1px solid var(--line-2);border-left:2px solid var(--dim);border-radius:var(--r);padding:14px 16px;margin:0 0 20px;font-size:13px;color:var(--dim);line-height:1.6}.draw-note strong{color:var(--text)}.analysis-section{border-top:1px solid var(--line);padding-top:8px;margin-bottom:26px}.attempt-list{list-style:none;margin:0 0 8px;padding:0}.attempt{display:grid;grid-template-columns:34px 120px 54px 62px 1fr;gap:12px;align-items:baseline;padding:10px 0;border-bottom:1px solid var(--line);font-size:12.5px}.attempt:last-child{border-bottom:0}.attempt-index{font:700 11px/1 var(--mono);color:var(--faint)}.attempt-verdict{font:700 10px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase}.attempt.verdict-accepted .attempt-verdict{color:var(--you)}.attempt.verdict-wrong_answer .attempt-verdict,.attempt.verdict-tle .attempt-verdict,.attempt.verdict-mle .attempt-verdict,.attempt.verdict-runtime_error .attempt-verdict,.attempt.verdict-compile_error .attempt-verdict{color:var(--bad)}.attempt-tests,.attempt-time{font:500 12px/1 var(--mono);font-variant-numeric:tabular-nums;color:var(--dim)}.attempt-why{color:var(--faint)}.attempt .stderr{grid-column:1 / -1;margin-top:6px}@media (max-width: 760px){.attempt{grid-template-columns:30px 1fr;row-gap:4px}.attempt-why{grid-column:1 / -1}}.proctor-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:90;background:#09090bf7;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:30px}.proctor-icon{font-size:34px}.proctor-overlay h2{margin:0;font-size:22px}.proctor-overlay p{max-width:46ch;margin:0;font-size:13.5px;color:var(--dim)}.proctor-count{font:700 76px/1 var(--mono);font-variant-numeric:tabular-nums;color:var(--foe);margin:4px 0}.proctor-count.urgent{color:var(--bad);animation:pulse-urgent .7s infinite}.violation-banner{display:flex;align-items:center;gap:14px;border:1px solid var(--bad);border-left-width:2px;border-radius:var(--r);background:#ff4d4f14;padding:12px 16px;margin-bottom:12px;font-size:13px;color:var(--text)}.violation-banner button{margin-left:auto}.problem-pane.no-copy,.problem-pane.no-copy *{user-select:none;-webkit-user-select:none}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:80;background:#09090bdb;display:flex;align-items:center;justify-content:center;padding:20px;animation:modal-in .15s ease-out}@keyframes modal-in{0%{opacity:0}}.modal{background:var(--panel);border:1px solid var(--line-2);border-radius:var(--r);padding:26px;max-width:440px;width:100%}.modal h2{margin:6px 0 18px;font-size:20px}.quit-consequences{list-style:none;margin:0 0 24px;padding:0}.quit-consequences li{font-size:13px;line-height:1.55;color:var(--dim);padding:10px 0 10px 16px;border-left:2px solid var(--line-2);margin-bottom:8px}.quit-consequences strong{color:var(--text)}.quit-consequences strong.danger{color:var(--bad)}.modal-actions{display:flex;gap:10px}.modal-actions button{flex:1}.danger-button{background:transparent;border:1px solid var(--bad);color:var(--bad)}.danger-button:hover:not(:disabled){background:#ff4d4f1a;opacity:1}.quit-button{margin-top:8px;padding:5px 9px;font-size:9px;background:transparent;border:1px solid var(--line-2);color:var(--faint)}.quit-button:hover:not(:disabled){border-color:var(--bad);color:var(--bad);opacity:1}.cooldown{display:flex;flex-direction:column;align-items:center;gap:12px;margin:26px 0}.cooldown-icon{font-size:30px}.cooldown h1{margin:0;font-size:20px;color:var(--bad)}.cooldown-clock{font:700 38px/1 var(--mono);font-variant-numeric:tabular-nums;color:var(--bad)}.cooldown p{max-width:40ch;text-align:center;font-size:13px;margin:0}.conduct-warning{font:400 12px/1.5 var(--sans);color:var(--foe);border:1px dashed var(--foe-dim);border-radius:var(--r);padding:10px 12px;margin:16px 0 0;text-align:left}.topic-picker{margin:22px 0;text-align:left}.topic-chips{display:flex;flex-wrap:wrap;gap:7px;margin:10px 0 8px}.topic-chip{background:var(--panel-2);border:1px solid var(--line);color:var(--dim);padding:6px 10px;font-size:10px;letter-spacing:.08em}.topic-chip.active{border-color:var(--you-dim);color:var(--you)}.topic-help{font:400 11.5px/1.5 var(--sans);color:var(--faint);margin:0}.lang-select{margin-left:auto;padding:6px 8px;font:500 11px/1 var(--mono);border-radius:var(--r);background:var(--ink);border:1px solid var(--line-2);color:var(--dim)}.lang-select:disabled{opacity:.5}.searching{display:flex;flex-direction:column;align-items:center;gap:12px;margin:30px 0}.searching h1{font-size:19px;margin:0}.radar{width:54px;height:54px;border-radius:50%;border:1px solid var(--you-dim);position:relative}.radar:after{content:"";position:absolute;top:-1px;right:-1px;bottom:-1px;left:-1px;border-radius:50%;border:2px solid var(--you);border-right-color:transparent;border-bottom-color:transparent;animation:radar-spin 1.1s linear infinite}@keyframes radar-spin{to{transform:rotate(360deg)}}.elapsed{font:700 30px/1 var(--mono);font-variant-numeric:tabular-nums;color:var(--you)}.found-card{animation:found-in .35s ease-out}@keyframes found-in{0%{opacity:0;transform:scale(.97)}}.found-versus{display:flex;align-items:center;justify-content:center;gap:28px;margin:28px 0}.found-side{display:flex;flex-direction:column;align-items:center;gap:8px}.found-side strong{font-size:16px}.found-side.you strong{color:var(--you)}.found-side.foe strong{color:var(--foe)}.profile-head{display:flex;gap:26px;align-items:center;flex-wrap:wrap}.avatar{width:64px;height:64px;border-radius:50%;background:var(--panel-2);border:1px solid var(--line-2);display:grid;place-items:center;font:700 24px/1 var(--mono);color:var(--you)}.profile-identity{flex:1;min-width:200px}.profile-identity h1{margin:0 0 4px}.profile-identity .plan-chip{margin-top:10px;display:inline-block}.stats-row{display:flex;gap:40px;flex-wrap:wrap}.profile-columns{display:grid;grid-template-columns:1.6fr 1fr;gap:18px;align-items:start}.leaderboard.compact td{padding:8px 6px}.leaderboard tr.is-you{background:#2ee6c50f}.you-tag{font:700 8px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--you);border:1px solid var(--you-dim);border-radius:var(--r);padding:3px 5px;margin-left:8px}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:22px;flex-wrap:wrap}.page-head h1{margin-bottom:4px}.mock-note{display:inline-block;font:500 10px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--foe);border:1px dashed var(--foe-dim);border-radius:var(--r);padding:6px 9px}.analytics-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.analytics-grid .span-2{grid-column:span 2}.chart{margin-top:6px}.chart svg{width:100%;height:120px;display:block}.chart-axis{display:flex;justify-content:space-between;align-items:baseline;font:400 11px/1 var(--mono);color:var(--faint);margin-top:8px}.chart-axis strong{font-size:15px}.topic-list{list-style:none;margin:0;padding:0}.topic{display:grid;grid-template-columns:180px 1fr 44px 54px;gap:12px;align-items:center;padding:7px 0}.topic-name{font-size:13px}.topic-bar{height:5px;background:var(--line);border-radius:3px;overflow:hidden}.topic-fill{display:block;height:100%}.topic.strong .topic-fill{background:var(--you)}.topic.mid .topic-fill{background:var(--foe)}.topic.weak .topic-fill{background:var(--bad)}.topic-pct{font:700 12px/1 var(--mono);font-variant-numeric:tabular-nums;text-align:right}.topic.strong .topic-pct{color:var(--you)}.topic.mid .topic-pct{color:var(--foe)}.topic.weak .topic-pct{color:var(--bad)}.topic-count{font:400 11px/1 var(--mono);color:var(--faint);text-align:right}.recommend-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}.recommend{display:flex;flex-direction:column;gap:6px;padding:16px;border:1px solid var(--line-2);border-radius:var(--r);text-decoration:none;color:var(--text)}.recommend:hover{border-color:var(--you-dim)}.recommend-topic{font-weight:600;font-size:14px}.recommend-pct{font:400 11px/1 var(--mono);color:var(--bad)}.recommend-cta{font:500 11px/1 var(--mono);color:var(--you);margin-top:4px}.recommend-why{font-size:12px;color:var(--text);line-height:1.45}.recommend-how{font-size:12px;color:var(--dim);line-height:1.45}.small-note{font-size:12px;margin:-4px 0 12px}.chart-note{font-size:12px;margin:8px 0 0}.stat-strip{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.stat-strip>div{display:flex;flex-direction:column;gap:6px;min-width:0}.stat-strip strong{font:700 24px/1 var(--mono);font-variant-numeric:tabular-nums}.stat-strip .muted{font-size:11px}.match-line{display:grid;grid-template-columns:46px minmax(0,2fr) minmax(0,1.4fr) auto;gap:12px;align-items:baseline;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px}.match-line:last-child{border-bottom:0}.match-line .result{font:700 10px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase}.match-line.numbered{grid-template-columns:28px 46px minmax(0,2fr) minmax(0,1.4fr) auto}.match-no{font:500 10px/1 var(--mono);color:var(--faint)}.match-problem{display:flex;flex-wrap:wrap;gap:4px 8px;align-items:baseline;min-width:0}.match-opp{color:var(--dim);min-width:0}.match-meta{font:400 11px/1 var(--mono);color:var(--faint);text-align:right}.ai-working,.ai-stale{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--dim)}.ai-stale{padding:10px 14px;margin-bottom:14px;border:1px dashed var(--line-2);border-radius:var(--r)}.ai-stale button{margin-left:auto}.ai-footnote{font:400 11px/1.5 var(--mono);color:var(--faint);margin-top:18px}.ai-summary p{font-size:15px;line-height:1.6;margin:8px 0 16px}.takeaway{display:flex;flex-direction:column;gap:6px;padding:12px 14px;border-left:2px solid var(--you);background:#2ee6c50d}.takeaway strong{font-size:14px;line-height:1.5}.match-note{padding:4px 0 14px;border-bottom:1px solid var(--line)}.match-note:last-child{border-bottom:0}.match-note .match-line{border-bottom:0}.match-headline{font-weight:600;margin:2px 0 8px}.match-note-cols{display:grid;grid-template-columns:1fr 1fr;gap:16px}.match-note-cols p{margin:0;font-size:13px;line-height:1.5;color:var(--dim)}.match-note-cols .micro{display:block;margin-bottom:4px}.micro.good{color:var(--you)}.micro.bad{color:var(--bad)}.pick{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}.pick:last-child{border-bottom:0}.pick strong{margin-right:10px}.pick p{margin:6px 0 0;font-size:13px}.pick .button-link.small{margin-top:0;white-space:nowrap}.plan{margin:0;padding-left:0;list-style:none}.plan li{display:flex;flex-direction:column;gap:4px;padding:8px 0;font-size:13px;border-bottom:1px solid var(--line)}.plan li:last-child{border-bottom:0}.coach{flex-shrink:0;max-height:40%;overflow-y:auto;padding:12px 14px;border-top:1px solid var(--line-2)}.coach-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.coach-head .micro{margin-right:auto}.coach-entry{margin-top:12px;font-size:13px;line-height:1.55}.coach-entry .micro{display:block;margin-bottom:4px}.coach-entry p{margin:0 0 6px}.tier-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.tier-tab{background:transparent;border:1px solid var(--line-2);color:var(--dim);padding:7px 12px;font-size:10px}.tier-tab.active{border-color:var(--tier, var(--you));color:var(--tier, var(--you))}.your-position{position:sticky;bottom:14px;display:flex;align-items:center;gap:16px;background:var(--panel-2);border:1px solid var(--you-dim);border-radius:var(--r);padding:14px 18px}.your-position strong{font:700 16px/1 var(--mono);color:var(--you)}.your-position .player{flex:1}.upgrade{max-width:800px;margin:0 auto}.upgrade-head{text-align:center}.upgrade-head h1{font-size:28px}.price{margin:26px 0 20px}.price-amount{font:700 46px/1 var(--mono);color:var(--you)}.price-period{font:400 14px/1 var(--mono);color:var(--dim);margin-left:6px}.pro-active{color:var(--you);font:700 13px/1 var(--mono)}.compare{width:100%;border-collapse:collapse;font-size:13px}.compare th,.compare td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:center}.compare th{font:500 10px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}.compare .compare-label{text-align:left}.compare .pro-col{background:#2ee6c50a}.compare th.pro-col{color:var(--you)}.tick{color:var(--you);font-weight:700}.cross{color:var(--faint)}.pro-value{color:var(--you);font-weight:600}.fine-print{font-size:12px;text-align:center}.paywall{max-width:560px}.paywall-rank{margin:22px 0}.practice-banner{border:1px dashed var(--foe-dim);border-radius:var(--r);background:#ff9d3d0d;color:var(--foe);font:500 11px/1.4 var(--mono);letter-spacing:.06em;padding:12px 14px;margin:20px 0}.practice-banner.wide{margin:0 0 14px;text-align:center}.paste-lock{font:500 10px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--foe);border:1px solid var(--foe-dim);border-radius:var(--r);padding:5px 8px;cursor:help}.pane-tabs{display:none;gap:8px;margin-bottom:12px}.pane-tabs button{flex:1;background:var(--panel-2);border:1px solid var(--line);color:var(--dim)}.pane-tabs button.active{border-color:var(--you-dim);color:var(--you)}.result-actions{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}.result-banner{border-bottom:1px solid var(--line);padding-bottom:18px}.keep-solving{border:1px solid var(--line-2);border-radius:var(--r);margin-bottom:20px;overflow:hidden}.keep-solving-head{display:flex;flex-direction:column;gap:4px;padding:14px 16px;background:var(--panel-2);border-bottom:1px solid var(--line)}.keep-solving-head .muted{font-size:12px}.keep-solving-editor{height:340px}.ai-review{border:1px solid var(--line-2);border-radius:var(--r);padding:18px;margin-bottom:20px}.review-verdict{font-size:15px;font-weight:600;margin:0 0 6px}.ai-review h5{font:500 10px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin:20px 0 8px}.review-list{margin:0;padding-left:18px;font-size:13px}.review-list li{margin-bottom:8px}.review-list.good li::marker{color:var(--you)}.review-list.bad li::marker{color:var(--bad)}.review-list strong{display:block;margin-bottom:2px}.review-list span{color:var(--dim)}.solutions-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}@media (max-width: 1100px){.analytics-grid{grid-template-columns:1fr}.analytics-grid .span-2{grid-column:span 1}.profile-columns,.recommend-row,.solutions-grid{grid-template-columns:1fr}.stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.match-note-cols{grid-template-columns:1fr}.match-line{grid-template-columns:46px minmax(0,1fr)}.match-opp,.match-meta{grid-column:2;text-align:left}.match-line.numbered{grid-template-columns:28px 46px minmax(0,1fr)}.match-line.numbered .match-opp,.match-line.numbered .match-meta{grid-column:3}}@media (max-width: 760px){.hero-actions{grid-template-columns:1fr}.hero-title{font-size:32px}.mode-toggle{grid-template-columns:1fr}.topic{grid-template-columns:120px 1fr 40px}.topic-count{display:none}.stats-strip{gap:22px}.stat-upgrade{margin-left:0;max-width:none}.pane-tabs{display:flex}.duel-body.pane-problem .editor-pane,.duel-body.pane-editor .problem-pane{display:none}.duel-body .opponent-panel{order:-1}.duel-body{height:auto}.editor-wrap{height:58vh}}.plan-chip.plan-beta{background:color-mix(in srgb,var(--you) 14%,transparent);border-color:color-mix(in srgb,var(--you) 45%,transparent);color:var(--you)}.stat-upgrade.beta{color:var(--you);border-color:color-mix(in srgb,var(--you) 35%,transparent);cursor:default}.price.price-preview{opacity:.55}@keyframes dd-rise{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes dd-pop{0%{transform:scale(.82);opacity:0}60%{transform:scale(1.04);opacity:1}to{transform:scale(1);opacity:1}}@keyframes dd-pulse-you{0%,to{box-shadow:0 0 #2ee6c500}50%{box-shadow:0 0 0 4px #2ee6c52e}}@keyframes dd-pulse-foe{0%,to{box-shadow:0 0 #ff9d3d00}50%{box-shadow:0 0 0 4px #ff9d3d2e}}@keyframes dd-urgent{0%,to{color:var(--bad);transform:none}50%{color:#ff8385;transform:scale(1.03)}}@keyframes dd-sweep{0%{background-position:-140% 0}to{background-position:240% 0}}@keyframes dd-caret{0%,45%{opacity:1}55%,to{opacity:0}}@keyframes dd-dot{0%,60%,to{opacity:.25;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}@keyframes dd-confetti{0%{transform:translateY(-8px) rotate(0);opacity:1}to{transform:translateY(78vh) rotate(520deg);opacity:0}}@keyframes dd-ring{0%{stroke-dashoffset:var(--dash)}to{stroke-dashoffset:var(--target)}}@keyframes dd-shake{0%,to{transform:translate(0)}20%{transform:translate(-4px)}40%{transform:translate(4px)}60%{transform:translate(-2px)}80%{transform:translate(2px)}}.dd-enter{animation:dd-rise .26s cubic-bezier(.22,.8,.3,1) both}.dd-enter-1{animation-delay:40ms}.dd-enter-2{animation-delay:80ms}.dd-enter-3{animation-delay:.12s}.dd-enter-4{animation-delay:.16s}.dd-pop{animation:dd-pop .28s cubic-bezier(.3,1.3,.5,1) both}button,.button-link{transition:transform .11s ease,background-color .14s ease,border-color .14s ease,color .14s ease,opacity .14s ease}button:not(:disabled):hover,.button-link:hover{transform:translateY(-1px)}button:not(:disabled):active,.button-link:active{transform:translateY(0) scale(.985)}button:focus-visible,.button-link:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--you);outline-offset:2px;transition:none}.cta{transition:transform .14s cubic-bezier(.22,.8,.3,1),border-color .14s ease}.cta:hover{transform:translateY(-2px)}.bar-fill{transition:width .42s cubic-bezier(.22,.8,.3,1)}.opponent-panel.is-active{animation:dd-pulse-foe 1.6s ease-in-out infinite}.editor-pane.is-judging{animation:dd-pulse-you 1.2s ease-in-out infinite}.timer.urgent .timer-value{animation:dd-urgent 1s ease-in-out infinite}.dd-typing{display:inline-flex;gap:3px;align-items:center}.dd-typing i{width:3px;height:3px;border-radius:50%;background:var(--foe);animation:dd-dot 1.1s infinite}.dd-typing i:nth-child(2){animation-delay:.15s}.dd-typing i:nth-child(3){animation-delay:.3s}.is-busy{background-image:linear-gradient(100deg,transparent 20%,rgba(255,255,255,.09) 45%,transparent 70%);background-size:220% 100%;animation:dd-sweep 1.1s linear infinite}.verdict-wrong_answer,.verdict-runtime_error,.verdict-compile_error{animation:dd-shake .32s ease-in-out 1}.xp-block{display:grid;gap:8px}.xp-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.level-chip{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:12px;letter-spacing:.04em;padding:4px 9px;border-radius:var(--r);border:1px solid color-mix(in srgb,var(--you) 42%,transparent);background:color-mix(in srgb,var(--you) 12%,transparent);color:var(--you)}.level-chip .lvl-n{font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}.xp-track{position:relative;height:7px;border-radius:99px;background:var(--panel-2);border:1px solid var(--line);overflow:hidden}.xp-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--you-dim),var(--you));transition:width .9s cubic-bezier(.16,.9,.3,1)}.xp-meta{display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;color:var(--dim);font-variant-numeric:tabular-nums}.streak{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;padding:5px 10px;border-radius:var(--r);border:1px solid var(--line-2);background:var(--panel-2);color:var(--dim)}.streak.is-live{border-color:color-mix(in srgb,var(--foe) 45%,transparent);background:color-mix(in srgb,var(--foe) 10%,transparent);color:var(--foe)}.streak .flame{font-size:14px;line-height:1}.streak.is-live .flame{animation:dd-pulse-foe 2s ease-in-out infinite;border-radius:50%}.streak .n{font-weight:700;font-variant-numeric:tabular-nums}.ach-grid{display:grid;gap:8px;grid-template-columns:repeat(auto-fill,minmax(190px,1fr))}.ach{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border-radius:var(--r);border:1px solid var(--line);background:var(--panel-2);transition:transform .14s ease,border-color .14s ease}.ach:hover{transform:translateY(-1px)}.ach.is-locked{opacity:.42}.ach.is-locked .ach-icon{filter:grayscale(1)}.ach-icon{font-size:17px;line-height:1.1;flex:none;width:26px;text-align:center}.ach-name{display:block;font-family:var(--mono);font-size:12px;color:var(--text);letter-spacing:.02em}.ach-desc{display:block;font-size:11px;color:var(--dim);margin-top:3px;line-height:1.4}.ach-text{display:block;min-width:0}.ach.tier-bronze.is-earned{border-color:#c17c4a55}.ach.tier-silver.is-earned{border-color:#b9c2cc55}.ach.tier-gold.is-earned{border-color:#ffc93f66;background:#ffc93f0a}.ach-count{font-family:var(--mono);font-size:11px;color:var(--dim);font-variant-numeric:tabular-nums}.result-headline{animation:dd-pop .42s cubic-bezier(.3,1.25,.5,1) both}.xp-award{display:grid;gap:5px;margin:16px auto;max-width:340px}.xp-award-row{display:flex;justify-content:space-between;gap:12px;font-family:var(--mono);font-size:12px;padding:5px 0;border-bottom:1px solid var(--line);animation:dd-rise .3s ease both}.xp-award-row:nth-child(1){animation-delay:.22s}.xp-award-row:nth-child(2){animation-delay:.34s}.xp-award-row:nth-child(3){animation-delay:.46s}.xp-award-row:nth-child(4){animation-delay:.58s}.xp-award-row:nth-child(5){animation-delay:.7s}.xp-award-row .xp-label{color:var(--dim)}.xp-award-row .xp-value{color:var(--you);font-variant-numeric:tabular-nums}.xp-award-total{display:flex;justify-content:space-between;font-family:var(--mono);font-size:14px;font-weight:700;padding-top:8px;color:var(--you);animation:dd-rise .3s ease .82s both}.rating-delta{font-family:var(--mono);font-variant-numeric:tabular-nums;animation:dd-pop .34s cubic-bezier(.3,1.3,.5,1) .12s both}.rating-delta.up{color:var(--you)}.rating-delta.down{color:var(--bad)}.rating-delta.flat{color:var(--dim)}.confetti{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:60;overflow:hidden}.confetti i{position:absolute;top:-10px;width:6px;height:10px;border-radius:1px;animation:dd-confetti 2.4s cubic-bezier(.3,.6,.5,1) forwards}.levelup{display:flex;align-items:center;justify-content:center;gap:10px;margin:14px auto 0;padding:9px 14px;max-width:340px;border-radius:var(--r);border:1px solid color-mix(in srgb,var(--you) 55%,transparent);background:color-mix(in srgb,var(--you) 13%,transparent);color:var(--you);font-family:var(--mono);font-size:13px;animation:dd-pop .42s cubic-bezier(.3,1.3,.5,1) .9s both}.rank-ring{transform:rotate(-90deg)}.rank-ring circle.track{stroke:var(--line)}.rank-ring circle.value{transition:stroke-dashoffset .9s cubic-bezier(.16,.9,.3,1);stroke-linecap:round}.queue-radar{position:relative;display:grid;place-items:center}.queue-radar .ping{position:absolute;width:14px;height:14px;border-radius:50%;border:1px solid var(--you);opacity:0;animation:dd-ping 2.2s cubic-bezier(.2,.7,.4,1) infinite}.queue-radar .ping:nth-child(2){animation-delay:.73s}.queue-radar .ping:nth-child(3){animation-delay:1.46s}@keyframes dd-ping{0%{transform:scale(.6);opacity:.85}to{transform:scale(6);opacity:0}}.caret{animation:dd-caret 1.05s steps(1) infinite}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:1ms!important;animation-iteration-count:1!important;transition-duration:1ms!important;scroll-behavior:auto!important}.confetti,.queue-radar .ping{display:none!important}button:not(:disabled):hover,.button-link:hover,.cta:hover,.ach:hover{transform:none}}.identity-chips{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:10px 0 4px}.home-progress{display:grid;gap:12px}.home-progress-head{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}.ach-block{display:block}@media (max-width: 640px){.ach-grid{grid-template-columns:1fr}.home-progress-head{justify-content:flex-start}}.xp-head-right{display:inline-flex;align-items:center;gap:10px}@media (max-width: 520px){.xp-head{flex-wrap:wrap;gap:8px}}:root{--bronze: #c17c4a;--silver: #b9c2cc;--gold: #ffc93f;--platinum: #5ee9d0;--diamond: #6cb6ff;--master: #d98bff;--glow-you: 0 0 24px rgba(46, 230, 197, .28);--glow-foe: 0 0 24px rgba(255, 157, 61, .28)}.arcade-bg{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none;overflow:hidden}.arcade-bg:before{content:"";position:absolute;top:-20%;right:-20%;bottom:-20%;left:-20%;background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);background-size:46px 46px;mask-image:radial-gradient(ellipse 80% 60% at 50% 35%,#000 20%,transparent 78%);-webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 35%,#000 20%,transparent 78%)}.arcade-bg i{position:absolute;border-radius:50%;filter:blur(90px);opacity:.16}.arcade-bg i.you{width:46vw;height:46vw;left:-12vw;top:-14vw;background:var(--you);animation:bg-drift-a 64s ease-in-out infinite alternate}.arcade-bg i.foe{width:40vw;height:40vw;right:-10vw;top:8vh;background:var(--foe);animation:bg-drift-b 78s ease-in-out infinite alternate}@keyframes bg-drift-a{0%{transform:translateZ(0) scale(1)}to{transform:translate3d(6vw,8vh,0) scale(1.14)}}@keyframes bg-drift-b{0%{transform:translateZ(0) scale(1.08)}to{transform:translate3d(-7vw,-6vh,0) scale(1)}}#root>*{position:relative;z-index:1}.card,.panel-arcade{position:relative;background:linear-gradient(180deg,rgba(255,255,255,.022),transparent 42%),var(--panel);border:1px solid var(--line);box-shadow:0 1px #ffffff08 inset,0 12px 34px #0000006b}.cut-corner{clip-path:polygon(14px 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%,0 14px)}.stat-hero{display:grid;gap:2px;justify-items:start}.stat-hero .label{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--faint);text-transform:uppercase}.stat-hero .value{font-family:var(--mono);font-weight:700;line-height:.95;font-size:clamp(30px,6vw,52px);font-variant-numeric:tabular-nums;color:var(--text)}.stat-hero .value.accent{color:var(--you);text-shadow:0 0 22px rgba(46,230,197,.34)}.stat-hero .value.foe{color:var(--foe);text-shadow:0 0 22px rgba(255,157,61,.3)}.stat-hero .note{font-family:var(--mono);font-size:11px;color:var(--dim)}.stat-hero.xl .value{font-size:clamp(42px,9vw,72px)}.emblem{position:relative;display:inline-grid;place-items:center;flex:none}.emblem svg{display:block;overflow:visible}.emblem .emblem-label{position:absolute;font-family:var(--mono);font-weight:700;letter-spacing:.02em;font-variant-numeric:tabular-nums;text-shadow:0 1px 3px rgba(0,0,0,.8)}.emblem .halo{position:absolute;top:-22%;right:-22%;bottom:-22%;left:-22%;border-radius:50%;filter:blur(16px);opacity:.4;z-index:-1}.tier-name{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase}.level-ring{position:relative;display:inline-grid;place-items:center}.level-ring svg{transform:rotate(-90deg);display:block}.level-ring .ring-track{stroke:#ffffff12}.level-ring .ring-value{stroke:var(--you);stroke-linecap:round;filter:drop-shadow(0 0 5px rgba(46,230,197,.65));transition:stroke-dashoffset 1.1s cubic-bezier(.16,.9,.3,1)}.level-ring .ring-core{position:absolute;display:grid;place-items:center;text-align:center}.level-ring .ring-core .lv{font-family:var(--mono);font-size:9px;letter-spacing:.18em;color:var(--faint)}.level-ring .ring-core .n{font-family:var(--mono);font-weight:700;line-height:1;font-size:26px;color:var(--text)}.arcade-hero{display:grid;gap:18px;padding:26px 24px;grid-template-columns:auto 1fr auto;align-items:center}.arcade-hero .who{display:grid;gap:6px;min-width:0}.arcade-hero .who h1{margin:0;font-size:clamp(24px,4.4vw,38px);line-height:1.05;letter-spacing:-.02em}.arcade-hero .who .sub{color:var(--dim);font-size:13px}.xp-rail{position:relative;height:12px;border-radius:99px;overflow:hidden;background:#ffffff0d;border:1px solid var(--line-2)}.xp-rail .fill{position:absolute;inset:0 auto 0 0;border-radius:99px;background:linear-gradient(90deg,#12806f,var(--you));box-shadow:0 0 18px #2ee6c580;transition:width 1.1s cubic-bezier(.16,.9,.3,1)}.xp-rail .fill:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(100deg,transparent 30%,rgba(255,255,255,.4) 50%,transparent 70%);background-size:220% 100%;animation:rail-sheen 2.6s linear infinite}@keyframes rail-sheen{0%{background-position:180% 0}to{background-position:-80% 0}}.play-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.play-tile{position:relative;display:grid;gap:6px;padding:22px 22px 24px;text-align:left;cursor:pointer;overflow:hidden;border:1px solid var(--line-2);border-radius:var(--r);background:linear-gradient(180deg,rgba(255,255,255,.03),transparent 60%),var(--panel-2);color:var(--text);transition:transform .18s cubic-bezier(.22,.8,.3,1),border-color .18s ease,box-shadow .18s ease}.play-tile .tile-kicker{font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--faint)}.play-tile .tile-title{font-family:var(--mono);font-size:20px;font-weight:700;letter-spacing:.01em}.play-tile .tile-sub{font-size:12.5px;color:var(--dim);line-height:1.45}.play-tile:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;pointer-events:none;background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.1) 50%,transparent 65%);background-size:260% 100%;background-position:160% 0;transition:opacity .18s ease}.play-tile:hover{transform:translateY(-3px)}.play-tile:hover:after{opacity:1;animation:tile-sweep .7s ease forwards}@keyframes tile-sweep{to{background-position:-60% 0}}.play-tile.primary{border-color:color-mix(in srgb,var(--you) 55%,transparent)}.play-tile.primary .tile-title{color:var(--you)}.play-tile.primary:hover{box-shadow:var(--glow-you);border-color:var(--you)}.play-tile.secondary{border-color:color-mix(in srgb,var(--foe) 45%,transparent)}.play-tile.secondary .tile-title{color:var(--foe)}.play-tile.secondary:hover{box-shadow:var(--glow-foe);border-color:var(--foe)}.medal-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(104px,1fr))}.medal{display:grid;gap:8px;justify-items:center;text-align:center;padding:14px 8px 12px;border-radius:var(--r);border:1px solid var(--line);background:var(--panel-2);transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}.medal:hover{transform:translateY(-3px)}.medal .disc{position:relative;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-size:21px;border:2px solid var(--line-2);background:radial-gradient(circle at 34% 28%,rgba(255,255,255,.16),transparent 62%),var(--panel);overflow:hidden}.medal .m-name{font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;line-height:1.25;color:var(--text)}.medal.is-earned.t-bronze .disc{border-color:var(--bronze);box-shadow:0 0 16px #c17c4a4d}.medal.is-earned.t-silver .disc{border-color:var(--silver);box-shadow:0 0 16px #b9c2cc42}.medal.is-earned.t-gold .disc{border-color:var(--gold);box-shadow:0 0 20px #ffc93f57}.medal.is-earned .disc:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(115deg,transparent 38%,rgba(255,255,255,.5) 50%,transparent 62%);background-size:260% 100%;background-position:170% 0}.medal.is-earned:hover .disc:after{animation:medal-sheen .8s ease forwards}@keyframes medal-sheen{to{background-position:-70% 0}}.medal.is-locked{opacity:.5}.medal.is-locked .disc{filter:grayscale(1) brightness(.55)}.medal.is-locked .m-name{color:var(--dim)}.versus-screen{position:fixed;top:0;right:0;bottom:0;left:0;z-index:90;display:grid;place-items:center;background:radial-gradient(ellipse at center,#14141a,#050506 70%);animation:vs-in .22s ease both}@keyframes vs-in{0%{opacity:0}to{opacity:1}}.versus-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:clamp(14px,5vw,60px);width:min(920px,92vw)}.versus-side{display:grid;gap:10px;justify-items:center;text-align:center}.versus-side .vs-name{font-family:var(--mono);font-size:clamp(15px,2.6vw,22px);font-weight:700}.versus-side .vs-rating{font-family:var(--mono);font-size:clamp(22px,4vw,34px);font-weight:700;font-variant-numeric:tabular-nums}.versus-side.you{animation:vs-left .52s cubic-bezier(.2,.9,.3,1) both}.versus-side.foe{animation:vs-right .52s cubic-bezier(.2,.9,.3,1) both}.versus-side.you .vs-name,.versus-side.you .vs-rating{color:var(--you)}.versus-side.foe .vs-name,.versus-side.foe .vs-rating{color:var(--foe)}@keyframes vs-left{0%{opacity:0;transform:translate(-70px)}to{opacity:1;transform:none}}@keyframes vs-right{0%{opacity:0;transform:translate(70px)}to{opacity:1;transform:none}}.versus-clash{font-family:var(--mono);font-weight:700;font-size:clamp(34px,8vw,68px);color:var(--text);letter-spacing:-.04em;text-shadow:0 0 30px rgba(255,255,255,.28);animation:vs-slam .46s cubic-bezier(.2,1.5,.4,1) .3s both}@keyframes vs-slam{0%{opacity:0;transform:scale(2.4);filter:blur(7px)}70%{opacity:1;transform:scale(.92);filter:blur(0)}to{opacity:1;transform:scale(1)}}.versus-meta{margin-top:26px;text-align:center;font-family:var(--mono);font-size:12px;color:var(--dim);animation:dd-rise .4s ease .76s both}@media (max-width: 720px){.arcade-hero{grid-template-columns:auto 1fr;padding:20px 16px}.arcade-hero .ring-slot{grid-row:span 2}.medal-grid{grid-template-columns:repeat(auto-fill,minmax(88px,1fr))}.medal .disc{width:46px;height:46px;font-size:18px}}@media (prefers-reduced-motion: reduce){.arcade-bg i{animation:none!important}.xp-rail .fill:after,.play-tile:after,.medal .disc:after{display:none!important}.versus-side.you,.versus-side.foe,.versus-clash,.versus-meta{animation:none!important;opacity:1!important;transform:none!important;filter:none!important}.play-tile:hover,.medal:hover{transform:none}}.hero-chips{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:4px}.chip-unlimited{font-family:var(--mono);font-size:11px;padding:5px 9px;border-radius:var(--r);border:1px solid color-mix(in srgb,var(--you) 40%,transparent);background:color-mix(in srgb,var(--you) 10%,transparent);color:var(--you)}.nav-rank{display:inline-flex;align-items:center;gap:7px}.nav-rating{font-family:var(--mono);font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text)}.stats-strip{gap:26px;align-items:end}.stats-row{gap:30px;align-items:end;flex-wrap:wrap}.stat-hero .value.is-empty{color:var(--faint);font-size:clamp(22px,4vw,34px);text-shadow:none}.fightcard.is-arena{position:relative;padding:14px 18px;gap:18px;background:linear-gradient(90deg,color-mix(in srgb,var(--you) 9%,transparent) 0%,transparent 26%,transparent 74%,color-mix(in srgb,var(--foe) 9%,transparent) 100%),var(--panel);border-color:var(--line-2);box-shadow:0 10px 30px #0006;overflow:hidden}.fightcard.is-arena:before,.fightcard.is-arena:after{content:"";position:absolute;top:0;bottom:0;width:3px}.fightcard.is-arena:before{left:0;background:var(--you);box-shadow:var(--glow-you)}.fightcard.is-arena:after{right:0;background:var(--foe);box-shadow:var(--glow-foe)}.fightcard.is-arena .fighter{flex-direction:row;align-items:center;gap:11px}.fightcard.is-arena .fighter.foe{flex-direction:row;justify-content:flex-end}.fighter-text{display:flex;flex-direction:column;gap:3px;min-width:0}.fightcard.is-arena .fighter.foe .fighter-text{align-items:flex-end}.fightcard.is-arena .fighter-name{font-size:17px}.fightcard.is-arena .fighter-rating{font-size:15px}.fightcard.is-arena .timer-value{font-size:clamp(38px,6.5vw,56px);letter-spacing:-.03em;text-shadow:0 0 26px rgba(255,255,255,.1)}.countdown-number{font-family:var(--mono);font-weight:700;font-size:clamp(72px,18vw,148px);line-height:1;color:var(--you);text-shadow:0 0 60px rgba(46,230,197,.45);animation:count-slam .9s cubic-bezier(.2,1.4,.4,1)}@keyframes count-slam{0%{transform:scale(1.8);opacity:0;filter:blur(6px)}40%{transform:scale(1);opacity:1;filter:blur(0)}to{transform:scale(1);opacity:1}}.seg-bar{display:flex;gap:3px}.seg-bar i{flex:1;height:7px;border-radius:1px;background:#ffffff14;transition:background-color .26s ease,box-shadow .26s ease}.seg-bar i.on{background:var(--foe);box-shadow:0 0 9px color-mix(in srgb,var(--foe) 65%,transparent)}.seg-bar.mine i.on{background:var(--you);box-shadow:0 0 9px color-mix(in srgb,var(--you) 65%,transparent)}@media (max-width: 720px){.fightcard.is-arena{grid-template-columns:1fr;gap:12px}.fightcard.is-arena .fighter.foe{justify-content:flex-start;flex-direction:row-reverse}.fightcard.is-arena .fighter.foe .fighter-text{align-items:flex-start}}@media (prefers-reduced-motion: reduce){.countdown-number{animation:none!important}}.statement p{margin:0 0 12px}.statement p:last-child{margin-bottom:0}.statement strong{color:var(--text);font-weight:600}.statement code{font-family:var(--mono);font-size:.92em;padding:1px 5px;border-radius:3px;background:#ffffff12;color:var(--you)}.legal-page{max-width:760px;margin:0 auto;padding:32px 30px;line-height:1.65}.legal-page h1{margin:6px 0 4px}.legal-page h2{margin:30px 0 10px;font-size:17px;letter-spacing:-.01em;padding-top:18px;border-top:1px solid var(--line)}.legal-page h3{margin:18px 0 6px;font-size:14px;color:var(--text)}.legal-page p,.legal-page li{color:#c4c4cc;font-size:14.5px}.legal-page ul{padding-left:20px}.legal-page li{margin:5px 0}.legal-todo{background:#ff4d4f2e;color:#ff8a8c;border:1px dashed rgba(255,77,79,.6);padding:0 5px;border-radius:3px;font-family:var(--mono);font-size:.86em}.site-footer{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;padding:28px 16px 36px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--faint)}.site-footer a{color:var(--dim);text-decoration:none}.site-footer a:hover{color:var(--you)}.consent{text-transform:none;letter-spacing:normal;font-family:var(--sans);display:flex;flex-direction:row;align-items:flex-start;gap:10px;font-size:13px;line-height:1.5;color:var(--dim);cursor:pointer;margin:4px 0 2px}.consent>span{font:400 13px/1.5 var(--sans);letter-spacing:normal;text-transform:none;color:var(--dim)}.consent input{margin-top:3px;flex:none;width:16px;height:16px;accent-color:var(--you)}.consent a{color:var(--you)}.ai-tag{display:inline-block;margin-left:8px;padding:1px 6px;border:1px solid var(--foe-dim);border-radius:4px;font:700 10px/1.4 var(--mono, monospace);letter-spacing:.08em;color:var(--foe);vertical-align:middle}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.row input{flex:1 1 180px}.button-link.secondary{background:transparent;color:var(--text);border:1px solid var(--line-2)}.landing{display:grid;gap:22px}.hero{padding:48px 0 12px;max-width:720px}.hero h1{font-size:clamp(34px,6vw,56px);line-height:1.05;margin:12px 0 16px}.hero-sub{font-size:16px;line-height:1.6;max-width:600px}.hero-actions{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}.daily-teaser h2{margin:6px 0}.feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.feature-grid h3{margin:8px 0 6px}.feature-grid p{margin:0;font-size:13px;line-height:1.5}.feature-icon{font-size:22px}.auth-card form{display:grid;gap:14px;text-align:left}.auth-card label{display:grid;gap:6px}.home,.profile{display:grid;gap:18px}.name-prompt h3{margin:6px 0 4px}.player-head{display:flex;gap:18px;align-items:center;margin-bottom:18px}.player-head>div{flex:1;min-width:0}.player-head h2{margin:0 0 10px}.home-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.home-grid h3{margin:6px 0}.daily-card{border-color:var(--foe-dim)}.daily-card.done{border-color:var(--you-dim)}.stat-strip{grid-template-columns:repeat(4,minmax(0,1fr))}.filters{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:14px}.filters .tier-tabs{margin:0}.filters input{width:200px}.problem-row{display:grid;grid-template-columns:22px minmax(0,1.4fr) minmax(0,1fr) 70px;gap:12px;align-items:center;padding:11px 4px;border-bottom:1px solid var(--line);color:var(--text);text-decoration:none;font-size:14px}.problem-row:last-child{border-bottom:0}.problem-row:hover{background:#ffffff05}.problem-tags{color:var(--faint);font:400 11px/1.3 var(--mono)}.status-dot{color:var(--faint);text-align:center;font-weight:700}.status-dot.solved{color:var(--you)}.status-dot.tried{color:var(--foe)}.solve-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:14px}.solve-head h1{margin:4px 0}.solve-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:14px;height:calc(100vh - 210px);min-height:560px}.editor-toolbar{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;border-bottom:1px solid var(--line)}.editor-pane .editor-wrap{min-height:240px}.diff{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;width:100%;margin-top:10px}.diff pre{margin:4px 0 0;max-height:140px;overflow:auto;font-size:12px}.solved-banner{display:flex;gap:14px;align-items:center;flex-wrap:wrap;padding:12px 14px;border-top:1px solid var(--you-dim);background:#2ee6c50f;font-size:13px}.daily-board{margin-top:18px}@media (max-width: 900px){.feature-grid,.home-grid{grid-template-columns:1fr}.stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.solve-body{grid-template-columns:1fr;height:auto}.editor-pane{min-height:520px}.problem-row{grid-template-columns:22px minmax(0,1fr) 64px}.problem-tags{display:none}.diff{grid-template-columns:1fr}}.player-title{font:600 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--foe);border:1px solid var(--foe-dim);border-radius:4px;padding:3px 7px;vertical-align:middle;margin-left:6px}.league-card h3{margin:6px 0 4px}.league-icon{font-size:22px}.league-bar{height:6px;background:var(--line);border-radius:3px;overflow:hidden;margin:10px 0}.league-bar span{display:block;height:100%;background:var(--you);transition:width .6s ease}.league-bronze{--league: #c98a4b}.league-silver{--league: #c0c6d0}.league-gold{--league: #f5c542}.league-platinum{--league: #6fe3ff}.league-diamond{--league: #b78bff}.league-card{border-color:var(--league, var(--line-2))}.league-card .league-bar span{background:var(--league, var(--you))}.league-legend{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.league-chip{display:inline-flex;gap:5px;align-items:center;padding:4px 9px;border-radius:999px;border:1px solid var(--league, var(--line-2));color:var(--league, var(--text));font:600 11px/1 var(--mono)}.quests-card.done{border-color:var(--you-dim)}.quest-list{list-style:none;margin:10px 0;padding:0;display:grid;gap:8px}.quest-list li{display:flex;gap:10px;align-items:center;font-size:14px}.quest-list li.done{color:var(--dim);text-decoration:line-through}.quest-box{width:18px;height:18px;flex:0 0 18px;border:1px solid var(--line-2);border-radius:4px;display:inline-grid;place-items:center;font-size:12px;color:var(--ink);background:transparent}.quest-list li.done .quest-box{background:var(--you);border-color:var(--you)}.solved-banner{flex-direction:column;align-items:stretch;position:relative}.solved-head{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.new-title{margin:6px 0 0;color:var(--foe)}.trophy-toast{margin-top:6px;padding:8px 12px;border:1px solid var(--foe-dim);border-radius:var(--r);background:#ff9d3d12;animation:vs-in .3s ease both}.heatmap{display:flex;gap:4px;overflow-x:auto;padding-bottom:4px}.heat-col{display:grid;gap:4px;grid-template-rows:repeat(7,12px)}.heat-cell{width:12px;height:12px;border-radius:2px;background:var(--line)}.heat-cell.h1{background:#2ee6c54d}.heat-cell.h2{background:#2ee6c58c}.heat-cell.h3{background:#2ee6c5cc}.heat-cell.h4{background:var(--you)}.heat-cell.future{background:transparent}.skill-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px}.skill{display:grid;grid-template-columns:1fr auto;gap:6px;padding:10px 12px;text-decoration:none;color:var(--text);border:1px solid var(--line-2);border-radius:var(--r)}.skill-name{font-size:13px;text-transform:capitalize}.skill-tier{font:600 10px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--faint)}.skill-bar{grid-column:1 / -1;height:4px;background:var(--line);border-radius:2px;overflow:hidden}.skill-bar span{display:block;height:100%;background:var(--you)}.skill-count{grid-column:1 / -1;font:400 10px/1 var(--mono);color:var(--faint)}.skill.tier-bronze{border-color:#8a5a2e}.skill.tier-bronze .skill-tier{color:#c98a4b}.skill.tier-silver{border-color:#6b717a}.skill.tier-silver .skill-tier{color:#c0c6d0}.skill.tier-gold{border-color:#8f7424}.skill.tier-gold .skill-tier{color:#f5c542}.skill.tier-mastered{border-color:var(--you-dim)}.skill.tier-mastered .skill-tier{color:var(--you)}.google-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:#fff;color:#1f1f1f;border-color:#dadce0;font-weight:600}.google-button:hover:not(:disabled){background:#f7f8f8}.or-divider{display:flex;align-items:center;gap:10px;color:var(--faint);font:400 11px/1 var(--mono)}.or-divider:before,.or-divider:after{content:"";flex:1;height:1px;background:var(--line)}.auth-card label.consent{display:flex;flex-direction:row;align-items:flex-start;gap:10px;text-align:left}.auth-card label.consent input{margin-top:3px;flex:0 0 auto;width:auto}