@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";.student-app{min-height:100vh;display:grid;grid-template-columns:242px minmax(0,1fr);background:#080b14;color:#e8edf7}.student-sidebar{position:sticky;top:0;height:100vh;padding:22px 14px;border-right:1px solid #273044;background:#0d1220;display:flex;flex-direction:column;z-index:4}.student-brand{display:flex;gap:10px;align-items:center;padding:5px 10px 26px;font-weight:800;font-size:19px}.student-brand>svg{color:#9a7cff}.student-label,.eyebrow{font-size:10px;letter-spacing:.12em;font-weight:800;color:#77829a}.student-sidebar nav{display:grid;gap:3px}.student-sidebar nav a{display:flex;align-items:center;gap:12px;padding:10px 11px;border-radius:8px;text-decoration:none;color:#9da8bd;font-size:13px}.student-sidebar nav a:hover{color:#f3f5fb;background:#ffffff0a}.student-sidebar nav a.active{color:#fff;background:linear-gradient(90deg,#7051d7,#4d68d511);box-shadow:inset 2px 0 #a78bfa}.student-sidebar nav svg{width:17px}.student-account{margin-top:auto;display:flex;align-items:center;gap:9px;padding:12px 8px;border-top:1px solid #273044}.student-avatar{display:grid;place-items:center;width:33px;height:33px;border-radius:50%;background:linear-gradient(145deg,#b4a3ff,#5476dc);font-size:11px;font-weight:800;color:#08101e;flex:none}.student-account b,.student-account small{display:block;font-size:11px}.student-account small{color:#77829a;margin-top:3px}.student-account button{margin-left:auto;border:0;background:transparent;color:#8f9ab0;padding:5px}.student-account button:hover{color:#fff}.student-account button svg{width:17px}.student-close,.student-menu{display:none}.student-main{min-width:0}.student-header{height:68px;display:flex;align-items:center;gap:18px;padding:0 30px;border-bottom:1px solid #263046;background:#0b101cdb;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);position:sticky;top:0;z-index:3}.student-search{display:flex;align-items:center;gap:8px;width:min(390px,100%);padding:9px 12px;border:1px solid #2a354c;border-radius:8px;background:#111827;color:#8490a8;text-decoration:none;font-size:12px}.student-search svg,.student-profile-link>svg{width:16px}.student-profile-link{display:flex;gap:9px;align-items:center;margin-left:auto;text-decoration:none;color:#dbe2f1;font-size:12px}.student-page{max-width:1360px;margin:auto;padding:34px 34px 52px}.student-welcome{display:grid;grid-template-columns:1fr 310px;gap:22px;align-items:stretch}.student-welcome h1,.page-heading h1,.profile-hero h1,.coming-soon h1{margin:7px 0;font-size:31px;letter-spacing:-.045em}.student-welcome p,.page-heading p,.coming-soon p{margin:0;color:#9ca9bd;line-height:1.6;font-size:13px}.student-actions{display:flex;gap:10px;margin-top:22px}.primary-action,.secondary-action{display:inline-flex;align-items:center;gap:7px;padding:10px 13px;border-radius:8px;text-decoration:none;font-size:12px;font-weight:700}.primary-action{background:#8b6cf1;color:#fff}.primary-action:hover{background:#9b80ff}.primary-action svg{width:15px}.secondary-action{border:1px solid #31405b;color:#dce5f6}.secondary-action:hover{background:#ffffff0c}.daily-challenge,.student-card,.student-stat{border:1px solid #27344d;background:#111827;border-radius:12px;box-shadow:0 14px 34px #02061732}.daily-challenge{padding:20px;background:linear-gradient(145deg,#1b1d3a,#111827)}.daily-challenge>span{display:flex;gap:7px;align-items:center;color:#b9a7ff;font-size:10px;font-weight:800;letter-spacing:.08em}.daily-challenge span svg{width:14px}.daily-challenge h3{font-size:18px;margin:23px 0 6px}.daily-challenge p{font-size:12px}.daily-challenge>a{display:flex;align-items:center;gap:4px;margin-top:20px;color:#c5b8ff;text-decoration:none;font-size:12px;font-weight:700}.daily-challenge>a svg{width:14px}.student-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:20px 0}.student-stat{display:flex;gap:12px;padding:15px;min-height:104px}.student-stat-icon{display:grid;place-items:center;width:38px;height:38px;border-radius:9px;background:#202a42}.student-stat-icon svg{width:20px}.student-stat-icon.purple{color:#b69cff;background:#2b2451}.student-stat-icon.blue{color:#7ab3ff;background:#1b3154}.student-stat-icon.amber{color:#ffc56a;background:#4b3620}.student-stat-icon.green{color:#72e6b0;background:#153d36}.student-stat small,.student-stat em{display:block;color:#8490a6;font-size:11px;font-style:normal}.student-stat strong{display:block;font-size:21px;margin:7px 0 5px}.student-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:16px}.student-grid.lower{margin-top:16px}.student-card{padding:19px}.section-title{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.section-title h2{margin:5px 0 0;font-size:16px}.section-title>a{color:#ad99ff;text-decoration:none;font-size:11px;font-weight:700}.demo-label{font-size:10px;color:#78cda9;border:1px solid #215647;background:#132e2a;border-radius:99px;padding:5px 7px}.heatmap{display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,10px);grid-template-columns:repeat(53,minmax(5px,1fr));gap:4px;margin-top:28px;overflow:hidden}.heatmap i{width:10px;height:10px;border-radius:2px;background:#1d2637}.heatmap i.low{background:#475c9c}.heatmap i.high{background:#a885ff}.heatmap-legend{display:flex;justify-content:flex-end;align-items:center;gap:5px;margin-top:17px;color:#748098;font-size:10px}.heatmap-legend i{width:9px;height:9px;border-radius:2px;background:#1d2637}.heatmap-legend i.low{background:#475c9c}.heatmap-legend i.high{background:#a885ff}.profile-progress{display:flex;gap:11px;align-items:center;margin:28px 0 20px}.student-avatar.large{width:42px;height:42px}.profile-progress b,.profile-progress small{display:block}.profile-progress b{font-size:13px;text-transform:capitalize}.profile-progress small{color:#8490a6;font-size:11px;margin-top:3px}.progress-bars{display:grid;gap:11px}.progress-bars label{display:grid;grid-template-columns:57px 1fr 18px;gap:8px;align-items:center;font-size:11px;color:#aeb8ca}.progress-bars i{height:6px;background:#212b40;border-radius:99px;overflow:hidden}.progress-bars em{display:block;height:100%;border-radius:99px}.progress-bars .easy{background:#4bd998}.progress-bars .medium{background:#f5b94c}.progress-bars .hard{background:#fb7185}.problem-mini-list,.submission-list{margin-top:15px}.problem-mini-list>a{display:grid;grid-template-columns:22px 1fr auto 15px;align-items:center;gap:10px;padding:10px 0;border-top:1px solid #263148;color:#e4e9f5;text-decoration:none}.problem-mini-list b,.problem-mini-list small{display:block;font-size:12px}.problem-mini-list small{margin-top:3px;color:#8490a6;font-size:10px}.problem-mini-list>a>svg{width:14px;color:#7f8aa1}.check{display:grid;place-items:center;width:17px;height:17px;border:1px solid #46536d;border-radius:50%;font-size:10px;color:#8290a8}.check.solved{border-color:#3bbf85;background:#153f35;color:#70edb7}.difficulty{font-size:10px;font-weight:700}.difficulty.easy{color:#55d99d}.difficulty.medium{color:#f8c359}.difficulty.hard{color:#fb7e8d}.submission-list>div{display:grid;grid-template-columns:90px 1fr auto;gap:10px;align-items:center;padding:10px 0;border-top:1px solid #263148}.submission-list b,.submission-list small{display:block;font-size:11px}.submission-list small{color:#8490a6;font-size:10px;margin-top:3px}.verdict{font-size:10px;font-weight:700;color:#9aa8bf}.verdict.accepted{color:#59dc9c}.verdict.wrong-answer,.verdict.runtime-error,.verdict.compilation-error{color:#fb7c8d}.empty-state{color:#8490a6;font-size:12px;padding:20px 0}.page-heading{margin-bottom:24px}.problem-filters{display:grid;grid-template-columns:minmax(240px,1fr) 150px 150px auto;gap:10px;align-items:center;padding:12px}.problem-filters label{display:flex;gap:8px;align-items:center;padding:0 10px;border:1px solid #2e3a54;border-radius:8px;color:#8490a6}.problem-filters input,.problem-filters select{background:transparent;border:0;outline:0;color:#e6ebf6;padding:10px;width:100%}.problem-filters select{border:1px solid #2e3a54;border-radius:8px;background:#111827;font-size:12px}.problem-filters>span{font-size:11px;color:#8490a6;white-space:nowrap}.problem-table{margin-top:16px;padding:0;overflow:hidden}.problem-table-head,.problem-row{display:grid;grid-template-columns:42px minmax(180px,1.5fr) 100px 130px minmax(160px,1fr);gap:12px;align-items:center;padding:13px 18px}.problem-table-head{color:#8490a6;font-size:10px;text-transform:uppercase;letter-spacing:.08em;background:#0d1423}.problem-row{border-top:1px solid #253048;color:#cfd7e8;text-decoration:none;font-size:12px}.problem-row:hover{background:#ffffff08}.problem-row>b{color:#eef2fb}.tags{display:flex;gap:5px;flex-wrap:wrap}.tags i{font-style:normal;font-size:10px;color:#a4b0c7;padding:3px 5px;border-radius:4px;background:#202a3e}.profile-hero{display:flex;gap:18px;align-items:center}.hero-avatar{width:72px;height:72px;font-size:20px}.profile-hero>div:nth-child(2){flex:1}.profile-hero p{margin:0;color:#8894aa}.coming-soon{text-align:center;max-width:620px;margin:90px auto;padding:45px}.coming-soon>svg{width:38px;height:38px;color:#b79cff}.coming-soon .primary-action{margin-top:20px}@media (max-width:1080px){.student-stats{grid-template-columns:repeat(2,1fr)}.student-grid,.student-grid.lower,.student-welcome{grid-template-columns:1fr}.daily-challenge{min-height:190px}}@media (max-width:780px){.student-app{display:block}.student-sidebar{position:fixed;inset:0 auto 0 0;width:242px;transform:translate(-105%);transition:transform .2s;box-shadow:12px 0 30px #0008}.student-sidebar.open{transform:translate(0)}.student-close{display:block;margin-left:auto;border:0;background:transparent;color:#b7c0d1}.student-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:3;border:0;background:#0009}.student-header{height:61px;padding:0 17px}.student-menu{display:block;border:0;background:transparent;color:#dde5f5}.student-menu svg{width:20px}.student-profile-link span,.student-profile-link>svg{display:none}.student-page{padding:22px 16px 40px}.student-welcome h1,.page-heading h1,.profile-hero h1,.coming-soon h1{font-size:26px}.student-stats{grid-template-columns:1fr 1fr;gap:10px}.student-stat{padding:12px;min-height:92px}.student-stat-icon{width:33px;height:33px}.student-stat strong{font-size:17px}.problem-filters{grid-template-columns:1fr 1fr}.problem-filters label{grid-column:span 2}.problem-filters>span{display:none}.problem-table{overflow:auto}.problem-table-head,.problem-row{min-width:680px}.profile-hero{align-items:flex-start;flex-wrap:wrap}.profile-hero .secondary-action{margin-left:90px}.heatmap{grid-template-rows:repeat(7,9px);grid-template-columns:repeat(53,minmax(4px,1fr));gap:3px}}@media (max-width:430px){.student-stats{grid-template-columns:1fr}.student-search{width:auto;flex:1}.student-actions{flex-direction:column;align-items:stretch}.student-actions a{justify-content:center}.problem-filters{grid-template-columns:1fr}.problem-filters label{grid-column:auto}}.student-app{background:radial-gradient(circle at 82% 0,#262626 0,transparent 28%),#050505;color:#f7f7f5}.student-sidebar{background:#080808cc;border-color:#ffffff18;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.student-brand>svg{color:#fff}.student-label,.eyebrow{color:#aaa}.student-sidebar nav a{color:#aaa}.student-sidebar nav a:hover{color:#fff;background:#ffffff12}.student-sidebar nav a.active{color:#050505;background:#f5f5f3;box-shadow:0 5px 20px #fff2}.student-account{border-color:#ffffff18}.student-account small,.student-account button{color:#aaa}.student-header{background:#0808088c;border-color:#ffffff12}.student-search{background:#ffffff09;border-color:#ffffff19;color:#aaa}.student-profile-link{color:#eee}.daily-challenge,.student-card,.student-stat{background:linear-gradient(135deg,#ffffff12,#ffffff06);border-color:#ffffff20;box-shadow:inset 0 1px #ffffff12,0 14px 35px #0004;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.daily-challenge{background:linear-gradient(135deg,#ffffff18,#ffffff08)}.daily-challenge>span,.daily-challenge>a,.section-title>a{color:#eee}.student-welcome p,.page-heading p,.coming-soon p{color:#aaa}.primary-action{background:#f5f5f3;color:#050505}.primary-action:hover{background:#fff}.secondary-action{border-color:#ffffff2b;color:#ddd}.secondary-action:hover{background:#fff;color:#050505}.student-stat-icon{background:#f5f5f3;color:#050505}.student-stat-icon.purple,.student-stat-icon.blue,.student-stat-icon.amber,.student-stat-icon.green{background:linear-gradient(135deg,#fff,#999);color:#050505}.student-stat small,.student-stat em,.profile-progress small,.submission-list small,.problem-mini-list small,.empty-state{color:#999}.demo-label{color:#ddd;border-color:#ffffff24;background:#ffffff0c}.heatmap i,.heatmap-legend i{background:#ffffff18}.heatmap i.low,.heatmap-legend i.low{background:#777}.heatmap i.high,.heatmap-legend i.high{background:#fff}.progress-bars label{color:#bbb}.progress-bars i{background:#ffffff18}.progress-bars .easy,.progress-bars .medium,.progress-bars .hard{background:#f5f5f3}.problem-mini-list>a,.submission-list>div{border-color:#ffffff10}.problem-mini-list>a{color:#eee}.problem-mini-list>a>svg,.check{color:#aaa}.check{border-color:#ffffff38}.check.solved{border-color:#fff;background:#fff;color:#050505}.difficulty.easy,.difficulty.medium,.difficulty.hard{color:#ddd}.problem-filters label,.problem-filters select{border-color:#ffffff25;background:#ffffff09}.problem-filters input,.problem-filters select{color:#fff}.problem-table-head{background:#ffffff08;color:#bbb}.problem-row{border-color:#ffffff10;color:#ddd}.problem-row:hover{background:#ffffff0c}.problem-row>b{color:#fff}.tags i{color:#ccc;background:#ffffff10}.profile-hero p{color:#aaa}.coming-soon>svg{color:#fff}.workspace-page{height:calc(100vh - 68px);display:grid;grid-template-columns:minmax(320px,.88fr) minmax(440px,1.12fr);background:#050505}.workspace-statement{overflow:auto;padding:28px;border-right:1px solid #ffffff18;color:#ddd}.workspace-back{color:#aaa;text-decoration:none;font-size:12px}.workspace-title{margin:24px 0 18px}.workspace-title h1{margin:9px 0 0;font-size:27px}.workspace-statement>p{line-height:1.7;color:#b7b7bd;font-size:13px}.workspace-statement h3{font-size:13px;margin:26px 0 9px}.workspace-statement pre,.judge-output pre{white-space:pre-wrap;background:#ffffff0a;border:1px solid #ffffff16;border-radius:8px;padding:12px;color:#ddd;font:12px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace}.workspace-editor{min-width:0;overflow:auto;padding:16px;background:#090909}.workspace-editor>header{display:flex;gap:8px;align-items:center;margin-bottom:12px}.workspace-editor select,.workspace-editor button{border:1px solid #ffffff25;border-radius:7px;background:#ffffff0b;color:#eee;padding:8px 10px;font-size:12px}.workspace-editor .submit-button{background:#f5f5f3;color:#050505;border-color:#f5f5f3;font-weight:700}.workspace-editor button:disabled{opacity:.6;cursor:wait}.custom-input{display:grid;gap:7px;margin-top:14px;font-size:11px;color:#bbb}.custom-input textarea{min-height:65px;resize:vertical;border:1px solid #ffffff25;border-radius:8px;background:#050505;color:#eee;padding:9px;font:12px ui-monospace,SFMono-Regular,Consolas,monospace}.judge-output{margin-top:14px}.judge-output>b{font-size:12px}.judge-output pre{min-height:70px;margin:8px 0 0}@media (max-width:860px){.workspace-page{height:auto;min-height:calc(100vh - 61px);grid-template-columns:1fr}.workspace-statement{max-height:none;border-right:0;border-bottom:1px solid #ffffff18}.workspace-editor>header{flex-wrap:wrap}.workspace-editor .run-button{margin-left:0}}.workspace-editor select,.workspace-editor select option{background:#171717;color:#fff}.workspace-editor>header button{display:inline-flex;align-items:center;gap:6px}.workspace-editor>header button svg{width:14px;height:14px}.workspace-editor .submit-button{background:#27b879;color:#06150e;border-color:#27b879}.workspace-editor .submit-button:hover{background:#35ce8a}.heatmap-wrap{margin-top:22px}.heatmap-wrap .heatmap{margin-top:7px}.heatmap-months{height:13px;position:relative;color:#aaa;font-size:9px;line-height:13px}.heatmap-months span{position:absolute;transform:translate(-1px);white-space:nowrap}.heatmap-months span:first-child{transform:none}.roadmap-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.roadmap-card{display:grid;gap:14px;min-height:190px}.roadmap-card .section-title>span{font-size:12px;color:#ddd}.roadmap-card p{margin:0;color:#aaa;font-size:12px;line-height:1.5}.roadmap-card .secondary-action{margin-top:auto;width:max-content}.roadmap-progress{height:6px;border-radius:999px;background:#ffffff18;overflow:hidden}.roadmap-progress em{display:block;height:100%;border-radius:inherit;background:#f5f5f3}.submission-filters{display:flex;gap:10px;margin-bottom:16px}.submission-filters select{border:1px solid #ffffff25;border-radius:7px;background:#171717;color:#fff;padding:9px 11px;font-size:12px}.submission-table>div{display:grid;grid-template-columns:125px minmax(170px,1fr) 85px 80px 180px;gap:12px;align-items:center;padding:14px 5px;border-bottom:1px solid #ffffff10;font-size:12px}.submission-table a{color:#eee;text-decoration:none;font-weight:700}.submission-table time{color:#999;font-size:11px}.bookmark-list>div{display:flex;align-items:center;gap:12px;padding:14px 3px;border-bottom:1px solid #ffffff10}.bookmark-list>div>div{display:grid;gap:6px;flex:1}.bookmark-list b{font-size:13px}.bookmark-list small{color:#999;font-size:11px}.bookmark-list button{border:1px solid #ffffff2b;border-radius:7px;background:transparent;color:#ddd;padding:9px 11px;font-size:12px}@media (max-width:1080px){.roadmap-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:780px){.roadmap-grid{grid-template-columns:1fr}.submission-table{overflow:auto}.submission-table>div{min-width:650px}.bookmark-list>div{align-items:flex-start;flex-wrap:wrap}.bookmark-list>div>div{min-width:100%}}.judge-verdict{display:inline-flex;padding:7px 12px;margin:8px 0 0;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.02em;border:1px solid #ffffff25;background:#ffffff0a;color:#ddd}.judge-verdict.accepted{color:#071b11;background:#35d38b;border-color:#35d38b}.judge-verdict.wrong-answer,.judge-verdict.runtime-error,.judge-verdict.compilation-error{color:#fff;background:#d94b68;border-color:#d94b68}.judge-summary{display:flex;align-items:center;gap:14px;padding:14px 0;font-size:13px}.judge-summary strong{font-size:17px}.judge-summary.accepted strong{color:#35d38b}.judge-summary.wrong-answer strong,.judge-summary.runtime-error strong,.judge-summary.compilation-error strong{color:#ff6f89}.judge-case{display:flex;align-items:center;gap:8px;padding:9px 11px;border:1px solid #ffffff16;border-radius:7px;background:#ffffff08;font-size:11px}.judge-case small{color:#ff8aa0}.complexity-card{margin-top:24px;padding:15px;border:1px solid #ffffff16;border-radius:9px;background:#ffffff08}.complexity-card h3{margin:0 0 12px!important}.complexity-card div{display:flex;justify-content:space-between;padding:7px 0;border-top:1px solid #ffffff10;color:#aaa;font-size:12px}.complexity-card b{color:#fff}.judge-summary{flex-wrap:wrap}.judge-summary span{white-space:nowrap}.workspace-page.has-result .workspace-statement{display:flex;align-items:center;justify-content:center;padding:42px}.workspace-page.has-result .complexity-card{display:block;width:min(100%,360px);margin:0;padding:24px;border-color:#35d38b55;background:linear-gradient(145deg,#35d38b18,#ffffff08);box-shadow:0 18px 45px #0006}.workspace-page.has-result .complexity-card h3{font-size:18px!important;color:#35d38b;margin-bottom:18px!important}.workspace-page.has-result .complexity-card div{padding:14px 0;font-size:13px}.workspace-page.has-result .complexity-card b{font-size:15px;color:#fff}.judge-mismatches{margin:10px 0;padding:12px;border:1px solid #ff6f8955;border-radius:8px;color:#ff9bad;font-size:12px}.judge-mismatches div+div{margin-top:6px}.student-app{background:#050505;color:#f7f7f5}.workspace-shell{height:100vh;width:100%;background:#0f0f0f;color:#ddd}.leetcode-topbar{height:62px;display:flex;align-items:center;gap:24px;padding:0 28px;background:#101010;border-bottom:1px solid #ffffff14;color:#aaa;font:14px Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}.leetcode-topbar b{font-size:26px;color:#f0b84b}.leetcode-topbar strong{color:#fff;font-size:16px;min-width:130px}.leetcode-topbar i{margin-left:auto;font-style:normal}.leetcode-topbar button{border:0;border-radius:8px;background:#33270d;color:#f7ac24;padding:10px 18px;font-weight:700}.workspace-body{height:calc(100vh - 62px);display:flex;min-width:0}.workspace-sidebar{width:64px;flex:0 0 64px;background:#151515;border-right:1px solid #ffffff16;display:flex;flex-direction:column;align-items:center;padding:18px 0;gap:10px}.workspace-sidebar button{width:38px;height:38px;border:0;border-radius:8px;background:transparent;color:#999;font-size:13px}.workspace-sidebar button:hover,.workspace-sidebar .workspace-side-active{background:#2e2e2e;color:#fff}.workspace-sidebar span{flex:1}.workspace-body>.workspace-page{height:100%;flex:1;min-width:0}.workspace-page{display:grid;grid-template-columns:minmax(320px,39%) minmax(520px,61%);background:#050505}.workspace-statement{overflow:auto;padding:0 18px 28px;background:#202020;border-right:1px solid #444;color:#ddd}.workspace-editor{min-width:0;overflow:auto;padding:0 10px 16px;background:#1b1b1b}.workspace-editor>header{height:52px;display:flex;gap:8px;align-items:center}.workspace-editor select,.workspace-editor button{border:1px solid #ffffff25;border-radius:7px;background:#171717;color:#eee;padding:8px 10px;font-size:12px}.workspace-editor .run-button{margin-left:auto}.workspace-editor .submit-button{background:#27b879;color:#06150e;border-color:#27b879;font-weight:700}.workspace-editor .custom-input{display:none}.judge-output{margin-top:10px;background:#252525;padding:0 16px 20px;min-height:220px}.judge-tabs{display:flex;gap:18px;border-bottom:1px solid #ffffff16;padding:14px 0;color:#aaa;font-size:12px}.judge-tabs strong{color:#35d38b}.judge-result-content{margin-top:8px}.judge-summary{display:flex;align-items:center;gap:14px;padding:16px 0}.judge-summary strong{font-size:18px;color:#35d38b}.judge-summary span{color:#999;font-size:12px}.judge-cases{display:grid;gap:8px}.judge-case{display:grid;gap:8px;padding:11px;border:1px solid #ffffff16;border-radius:7px;background:#ffffff08;font-size:11px}.judge-case.passed{border-color:#35d38b55;background:#35d38b0d}.judge-case.failed{border-color:#ff6f8955;background:#ff6f890d}.case-status{color:#35d38b}.judge-case.failed .case-status{color:#ff6f89}.case-row{display:grid;grid-template-columns:70px 1fr;gap:8px;color:#aaa}.case-row code{white-space:pre-wrap;color:#ddd;font:11px ui-monospace,SFMono-Regular,Consolas,monospace}.complexity-card{display:none}.workspace-page.has-result .workspace-statement{display:flex;align-items:stretch;justify-content:flex-start;padding:0 18px 24px}.workspace-page.has-result .workspace-statement>:not(.complexity-card){display:none}.workspace-page.has-result .complexity-card{display:block;width:100%;margin:0;padding:0;border:0;background:transparent}.result-tabs{display:flex;gap:18px;border-bottom:1px solid #ffffff16;padding:16px 0;color:#777;font-size:12px}.result-tabs b{color:#35d38b}.result-heading{display:flex;align-items:baseline;gap:10px;padding:18px 0 14px}.result-heading strong{font-size:18px;color:#35d38b}.result-heading small{color:#999}.runtime-card{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:12px;border:1px solid #ffffff16;border-radius:8px;background:#363636;padding:18px;color:#aaa}.runtime-card strong{color:#eee;font-size:20px}.runtime-card i{color:#9b6cff;font-style:normal}.memory-card{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:12px;padding:18px 0;color:#aaa}.memory-card strong{color:#eee;font-size:20px}.runtime-chart{padding:14px 0 20px;border-top:1px solid #ffffff12;color:#999}.chart-bars{height:190px;display:flex;align-items:end;gap:clamp(10px,3vw,28px);padding:18px 8px 8px;border-bottom:1px solid #ffffff20;background:repeating-linear-gradient(to bottom,transparent 0,transparent 32px,#ffffff12 33px)}.chart-bars i{display:block;flex:1;max-width:40px;background:#1687f5;border-radius:4px 4px 0 0}.chart-bars i:nth-child(1){height:72%}.chart-bars i:nth-child(2){height:24%}.chart-bars i:nth-child(3){height:18%}.chart-bars i:nth-child(4){height:7%}.chart-bars i:nth-child(5){height:29%}.complexity-metrics{margin-top:16px}.complexity-metrics div{display:flex;justify-content:space-between;padding:10px 0;border-top:1px solid #ffffff12;color:#aaa}.complexity-metrics b{color:#eee}.student-app:has(.workspace-shell) .student-sidebar,.student-app:has(.workspace-shell) .student-header{display:none}.student-app:has(.workspace-shell){display:block;width:100%;min-width:0}.student-app:has(.workspace-shell) .student-main{margin-left:0;width:100%;min-width:0}.workspace-shell .workspace-back{display:none}@media (max-width:900px){.workspace-page{grid-template-columns:1fr}.workspace-sidebar{display:none}.leetcode-topbar{gap:12px;padding:0 14px}.leetcode-topbar span,.leetcode-topbar i{display:none}}.workspace-shell .leetcode-topbar,.workspace-shell .workspace-sidebar{display:none}.workspace-shell .workspace-body{height:100vh}.workspace-shell .workspace-back{display:flex;align-items:center;gap:8px;height:48px;padding:0 18px;background:#151515;border-bottom:1px solid #ffffff16;color:#bbb;text-decoration:none;font-size:13px}.workspace-shell .workspace-back:hover{color:#fff;background:#1d1d1d}.workspace-shell .workspace-page{height:calc(100vh - 48px)}.workspace-shell .judge-cases{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));align-items:start;gap:10px}.workspace-shell .judge-case{min-height:54px}.workspace-shell .judge-case .case-row{word-break:break-word}.workspace-tabs{display:flex;gap:4px;flex-wrap:wrap;margin:18px 0;border-bottom:1px solid #ffffff18}.workspace-tabs button{border:0;border-bottom:2px solid transparent;background:transparent;color:#aaa;padding:11px 14px;cursor:pointer}.workspace-tabs button:hover,.workspace-tabs button.active{color:#fff;border-bottom-color:#9a7cff}.workspace-tab-panel{padding:20px;border:1px solid #ffffff18;border-radius:12px;background:#ffffff06;min-height:220px}.workspace-tab-panel h2{margin-top:0}.workspace-tab-panel p{color:#b8bdc8;line-height:1.7}.workspace-submission{display:grid;grid-template-columns:1.3fr .8fr .7fr 1.5fr;gap:12px;padding:13px 0;border-top:1px solid #ffffff12;color:#bbb}.workspace-submission b.accepted{color:#44d492}.workspace-submission b.wrong-answer,.workspace-submission b.runtime-error,.workspace-submission b.compilation-error{color:#ff7186}.workspace-submission time{font-size:12px;color:#888}@media (max-width:700px){.workspace-submission{grid-template-columns:1fr 1fr}.workspace-submission time{grid-column:span 2}}.student-global-search{position:relative;flex:1;max-width:520px}.student-global-search .student-search{width:100%;max-width:none;position:relative}.student-global-search .student-search input{min-width:0;flex:1;border:0;outline:0;background:transparent;color:#eee;font-size:12px}.student-global-search .student-search input::placeholder{color:#8490a8}.student-global-search .student-search>button{display:grid;place-items:center;border:0;background:transparent;color:#8490a8;padding:2px}.student-global-search .student-search>button svg{width:14px}.student-search-results{position:absolute;top:calc(100% + 8px);left:0;right:0;z-index:8;padding:6px;border:1px solid #ffffff20;border-radius:10px;background:#111111f2;box-shadow:0 18px 40px #0009;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.student-search-results>p{margin:0;padding:12px;color:#999;font-size:11px}.student-search-results>a{display:flex;align-items:center;gap:10px;padding:9px;border-radius:7px;text-decoration:none;color:#eee}.student-search-results>a:hover{background:#ffffff12}.student-search-results>a .student-avatar{width:28px;height:28px;font-size:9px}.student-search-results>a>span:nth-child(2){min-width:0;flex:1}.student-search-results b,.student-search-results small{display:block}.student-search-results b{font-size:12px}.student-search-results small{margin-top:3px;color:#999;font-size:10px}.student-search-results>a>svg{width:14px;color:#999}@media (max-width:780px){.student-global-search{max-width:none}.student-global-search .student-search{width:auto}.student-header{gap:10px}}:root{font-family:Inter,system-ui;color:#f7f7f5;background:#050505}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 80% 0,#262626 0,transparent 28%),#050505;color:#f7f7f5}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit}.app{min-height:100vh;display:grid;grid-template-columns:258px 1fr}.sidebar{background:#080808cc;border-right:1px solid #ffffff18;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:17px 16px;display:flex;flex-direction:column;z-index:3}.brand{display:flex;gap:12px;align-items:center;padding:3px 8px 18px;color:#fff}.brand b{font-size:19px;display:block;letter-spacing:-.6px}.brand small,.portal small,.profile small{display:block;color:#aaa;font-size:11px;margin-top:3px}.brand button{margin-left:auto;background:#151515;border:1px solid #ffffff1c;color:#ccc;border-radius:7px;padding:5px;display:grid}.brand button svg{width:15px}.sidebar nav{display:grid;gap:4px}.sidebar nav a,.logout{display:flex;gap:15px;align-items:center;text-decoration:none;border-radius:9px;padding:12px 13px;color:#aaa;font-size:14px;font-weight:500;transition:.2s}.sidebar nav a:hover{color:#fff;background:#ffffff12}.sidebar nav .active{color:#050505;background:#f5f5f3;box-shadow:0 5px 20px #fff2}.sidebar nav svg,.logout svg{width:19px}.portal{margin-top:auto;border:1px solid #ffffff18;border-radius:11px;padding:15px;display:flex;gap:12px;background:#ffffff08;color:#f5f5f5}.portal b{font-size:13px}.logout{margin-top:13px;background:transparent;border:1px solid #ffffff2b;color:#ddd;justify-content:center;width:100%}.logout:hover{color:#050505;background:#fff}.close,.hamburger{display:none}main{min-width:0}header{height:71px;border-bottom:1px solid #ffffff12;padding:15px 25px;display:flex;align-items:center;gap:18px;background:#0808088c;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.search{height:41px;max-width:925px;flex:1;border:1px solid #ffffff19;background:#ffffff09;border-radius:9px;padding:0 12px;display:flex;align-items:center;gap:10px;color:#aaa}.search svg{width:18px}.search input,.table-search input{border:0;background:transparent;outline:0;color:#fff;width:100%}.head-right{margin-left:auto;display:flex;gap:13px;align-items:center}.bell{border:0;background:transparent;color:#ddd;position:relative}.bell i{position:absolute;right:-5px;top:-7px;background:#fff;border-radius:50%;font-style:normal;font-size:10px;padding:2px 5px;color:#050505}.avatar{display:grid;place-items:center;width:39px;height:39px;border-radius:50%;border:1px solid #ffffff55;background:linear-gradient(135deg,#fff,#aaa);color:#050505;font-weight:700}.profile b{font-size:13px}.head-right>svg{width:14px}.dash{max-width:1280px;margin:auto;padding:22px 25px 35px}.welcome{display:flex;justify-content:space-between;align-items:center}.welcome h1{font-size:28px;letter-spacing:-1px;margin:0 0 5px}.welcome p{margin:0;color:#aaa}.date{display:flex;align-items:center;gap:8px;color:#bbb;font-size:12px;text-align:right}.date span{display:grid;gap:5px}.date small{font-size:10px}.note,.sample{font-size:10px;color:#888}.note{margin:14px 0}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat,.card{background:linear-gradient(135deg,#ffffff12,#ffffff06);border:1px solid #ffffff20;border-radius:14px;box-shadow:inset 0 1px #ffffff12,0 14px 35px #0004;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.stat{min-height:111px;padding:16px;display:flex;gap:15px;transition:.2s}.stat:hover{transform:translateY(-3px);border-color:#fff5;background:#ffffff13}.icon{width:56px;height:56px;display:grid;place-items:center;border-radius:10px;background:#f5f5f3;color:#050505}.icon svg{width:27px}.purple,.blue,.green,.amber{background:linear-gradient(135deg,#fff,#999);color:#050505}.stat small,.stat em{display:block;color:#aaa;font-style:normal;font-size:12px}.stat strong{display:block;font-size:23px;margin:7px 0}.skeleton{height:111px;border-radius:14px;background:linear-gradient(90deg,#111,#272727,#111);animation:pulse 1.2s infinite}.analytics{display:grid;grid-template-columns:1.65fr 1fr .95fr;gap:16px;margin-top:16px}.card{padding:16px;min-width:0}.card-head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px}.card h3{font-size:15px;margin:0}.card-head a{font-size:11px;padding:7px 10px;border:1px solid #ffffff28;border-radius:7px;text-decoration:none}.card-head a:hover{background:#fff;color:#050505}.card select{background:#171717;color:#eee;border:1px solid #ffffff2a;border-radius:6px;padding:6px;font-size:11px}.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:10px;color:#bbb;margin:17px 0 8px}.legend span:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px;background:#fff}.legend span:nth-child(2):before{background:#bdbdbd}.legend span:nth-child(3):before{background:#858585}.legend span:nth-child(4):before{background:#555}.chart{width:100%}.big{height:151px}.smallchart{height:108px}.difficulty{display:flex;align-items:center;min-height:174px}.donut{width:170px;height:170px;position:relative;flex:none}.donut>div:last-child{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-content:center;text-align:center}.donut b{font-size:22px}.donut small{display:block;color:#aaa;font-size:11px}.diff{display:grid;grid-template-columns:12px 1fr auto;gap:5px;align-items:center;margin:11px 0;font-size:11px;color:#bbb}.diff i{width:10px;height:10px;border-radius:50%;filter:grayscale(1)}.diff b{font-weight:500}.actions{display:grid;gap:8px;margin-top:20px}.actions button{display:grid;grid-template-columns:23px 1fr 16px;gap:7px;align-items:center;text-align:left;border:1px solid #ffffff28;color:#eee;background:#ffffff0a;border-radius:8px;padding:10px;font-size:12px;font-weight:600;transition:.2s}.actions button:hover{background:#ffffff1a}.actions .primary{color:#050505;border:0;background:#f5f5f3}.actions svg{width:17px}.middle{display:grid;grid-template-columns:1.05fr 1.25fr;gap:16px;margin-top:15px}.activity>div{display:grid;grid-template-columns:32px 1fr auto;gap:10px;align-items:center;padding:9px 4px;border-bottom:1px solid #ffffff10}.activity i{width:29px;height:29px;display:grid;place-items:center;border-radius:50%;color:#050505;background:#eee}.activity i svg{width:15px}.activity .green,.activity .purple,.activity .blue,.activity .red,.activity .amber{background:linear-gradient(135deg,#fff,#888);color:#050505}.activity p{margin:0}.activity b,.activity small{display:block;font-size:12px}.activity small,.activity time{font-size:10px;color:#999;margin-top:3px}.table-search{float:right;margin-top:-40px;width:145px;display:flex;align-items:center;gap:5px;border:1px solid #ffffff25;border-radius:6px;padding:6px;color:#aaa}.table{clear:both;overflow:auto;margin-top:10px}table{border-collapse:collapse;width:100%;min-width:500px;font-size:11px}th{text-align:left;font-weight:500;color:#bbb;padding:8px;border-bottom:1px solid #ffffff1b}td{padding:9px 8px;border-bottom:1px solid #ffffff0f;color:#ddd}td:nth-child(2){display:flex;gap:8px;align-items:center}td span{width:27px;height:27px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(135deg,#fff,#aaa);color:#050505;font-size:9px}.bottom{display:grid;grid-template-columns:1fr 1.15fr .8fr;gap:16px;margin-top:15px}.langs{display:grid;gap:11px;margin-top:18px}.langs>div{display:grid;grid-template-columns:40px 1fr 29px;gap:8px;align-items:center;font-size:10px;color:#bbb}.langs i{height:9px;background:#ffffff18;border-radius:6px;overflow:hidden}.langs em{display:block;height:100%;border-radius:6px;filter:grayscale(1)}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#000c;display:grid;place-items:center;padding:18px;z-index:9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.modal{position:relative;width:min(540px,100%);display:grid;gap:13px;padding:26px;background:#111111e8;border:1px solid #ffffff2c;box-shadow:0 25px 80px #000;border-radius:14px;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px)}.modal h2{margin:0}.modal p{margin:0;color:#aaa;font-size:12px}.modal label,.login label{display:grid;gap:6px;font-size:12px;color:#ccc}.modal input,.modal select,.modal textarea,.login input{border:1px solid #ffffff29;border-radius:7px;padding:9px;background:#050505;color:#fff}.modal textarea{min-height:90px}.modal>button:last-child,.login form>button{background:#f5f5f3;border:0;border-radius:7px;color:#050505;padding:10px;font-weight:700}.x{position:absolute;right:12px;top:12px;background:transparent;border:0;color:#ddd}.success{color:#ddd}.error{color:#fff}.placeholder{max-width:720px;margin:80px auto;padding:32px;background:#ffffff0b;border:1px solid #ffffff22;border-radius:14px}.placeholder p{color:#aaa;line-height:1.6}.placeholder a{display:inline-block;background:#f5f5f3;color:#050505;padding:10px;border-radius:7px;text-decoration:none}.login,.loading,.denied{min-height:100vh;display:grid;place-items:center;padding:20px}.login section{width:min(400px,100%);padding:32px;border:1px solid #ffffff22;background:#111c;border-radius:14px;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:0 20px 60px #0008}.logo{color:#fff}.kicker{font-size:11px;letter-spacing:.12em;color:#bbb;font-weight:700}.login h1{margin:8px 0}.login p{color:#999;line-height:1.5}.login form{display:grid;gap:13px;margin-top:22px}.hint{font-size:11px}.denied{text-align:center}.denied svg{width:40px;height:40px;color:#fff}@keyframes pulse{50%{opacity:.5}}@media (max-width:1150px){.analytics{grid-template-columns:1.45fr 1fr}.analytics>.card:last-child{grid-column:span 2}.actions{grid-template-columns:repeat(2,1fr)}.bottom{grid-template-columns:1fr 1fr}.bottom>.card:last-child{grid-column:span 2}.stats{grid-template-columns:repeat(2,1fr)}}@media (max-width:760px){.app{display:block}.sidebar{position:fixed;inset:0 auto 0 0;width:258px;transform:translate(-100%);transition:transform .2s;box-shadow:8px 0 30px #0009}.sidebar.open{transform:translate(0)}.backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;z-index:2}.close{display:flex;margin:15px auto 0;background:transparent;color:#aaa;border:0;gap:5px}.brand button{display:none}.hamburger{display:block;background:transparent;border:0;color:#eee}.profile,.head-right>svg{display:none}header{height:64px;padding:13px 16px}.dash{padding:18px 15px}.welcome h1{font-size:22px}.date{display:none}.stats,.analytics,.middle,.bottom{grid-template-columns:1fr}.analytics>.card:last-child,.bottom>.card:last-child{grid-column:auto}.actions{grid-template-columns:1fr}.difficulty{justify-content:center}.search input{font-size:11px}}.legend span:before{background:#47d896!important}.legend span:nth-child(2):before{background:#fb7185!important}.legend span:nth-child(3):before{background:#fbbf24!important}.legend span:nth-child(4):before{background:#8b62ee!important}.diff i,.langs em{filter:none!important}.activity .green{background:#47d896!important}.activity .purple{background:#8b62ee!important}.activity .blue{background:#3b82f6!important}.activity .red{background:#fb7185!important}.activity .amber{background:#fbbf24!important}.login{background:radial-gradient(circle at 12% 15%,#3d2c763f,transparent 28%),radial-gradient(circle at 86% 85%,#0d87733a,transparent 25%),#050505}.login-card{width:min(640px,100%)!important}.login-brand{display:flex;align-items:center;gap:10px}.login h1{font-size:30px;letter-spacing:-1px}.role-picker{display:grid;gap:9px;margin:23px 0 14px}.role-picker button{display:flex;gap:12px;align-items:center;text-align:left;padding:13px;border:1px solid #ffffff20;border-radius:10px;color:#ddd;background:#ffffff08;transition:.2s}.role-picker button:hover{border-color:#fff5;background:#ffffff13}.role-picker button.selected{color:#090909;background:#f5f5f3;border-color:#f5f5f3;box-shadow:0 8px 25px #ffffff18}.role-picker svg{width:20px;flex:none}.role-picker span{display:grid;gap:3px}.role-picker b{font-size:13px}.role-picker small{font-size:11px;line-height:1.35;color:#aaa}.role-picker .selected small{color:#3d3d3d}.selected-role{display:flex;gap:8px;align-items:center;padding:9px 11px;border-left:2px solid #fff;background:#ffffff0a;color:#bbb;font-size:12px}.selected-role svg{width:17px}.login form button:disabled{opacity:.7;cursor:wait}@media (max-width:760px){.login-card{padding:24px!important}.role-picker button{padding:11px}}.auth-split{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(420px,.85fr);background:#08080a}.auth-video{position:relative;overflow:hidden;min-height:100vh;background:#111}.auth-video video{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:0;object-fit:cover;transform:scale(1.12);pointer-events:none}.video-shade{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(100deg,#050505c9,#05050569 48%,#05050530)}.video-copy{position:absolute;left:clamp(32px,7vw,100px);bottom:clamp(40px,10vh,110px);max-width:540px}.video-copy svg{width:34px;height:34px;margin-bottom:28px}.video-copy span{display:block;font-size:12px;font-weight:800;letter-spacing:.18em;color:#e3e3e3}.video-copy h1{font-size:clamp(38px,4.2vw,68px);line-height:1.03;letter-spacing:-.06em;margin:15px 0}.video-copy p{max-width:390px;line-height:1.6;color:#d0d0d0}.auth-panel{display:grid;place-items:center;padding:36px;background:#0d0d10}.auth-panel-inner{width:min(390px,100%)}.auth-logo{display:flex;gap:10px;align-items:center;margin-bottom:42px}.auth-logo svg{width:24px}.auth-logo b{font-size:18px}.auth-panel h2{font-size:30px;letter-spacing:-.045em;margin:8px 0}.auth-panel p{color:#97979f;line-height:1.5;margin:0}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid #ffffff20;margin:30px 0 20px}.auth-tabs button{border:0;border-bottom:2px solid transparent;background:transparent;color:#8e8e96;padding:11px;font-weight:700}.auth-tabs button.active{color:#fff;border-color:#fff}.compact-roles{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:20px}.compact-roles button{display:grid;gap:7px;place-items:center;padding:11px 6px;border:1px solid #ffffff1e;border-radius:9px;background:#ffffff08;color:#aaa;font-size:11px}.compact-roles button.selected{background:#f5f5f3;color:#0c0c0c;border-color:#f5f5f3}.compact-roles svg{width:17px}.auth-panel form{display:grid;gap:15px}.auth-panel label{display:grid;gap:7px;color:#c6c6cc;font-size:12px;font-weight:600}.auth-panel input{border:1px solid #ffffff25;border-radius:8px;background:#060607;color:#fff;padding:12px;outline:0}.auth-panel input:focus{border-color:#ffffff80}.auth-submit{margin-top:5px;border:0;border-radius:8px;padding:12px;background:#f4f4f2;color:#070707;font-weight:800}.auth-submit:disabled{opacity:.65;cursor:wait}.signup-note{display:block;margin-top:16px;color:#86868d;font-size:11px;line-height:1.45}@media (max-width:850px){.auth-split{grid-template-columns:1fr}.auth-video{min-height:270px}.auth-video video{transform:scale(1.08)}.video-copy{left:28px;bottom:28px}.video-copy svg{margin-bottom:12px}.video-copy h1{font-size:36px;max-width:420px}.video-copy p{display:none}.auth-panel{padding:38px 22px;min-height:calc(100vh - 270px)}.auth-logo{margin-bottom:28px}}@media (max-width:480px){.auth-video{min-height:220px}.video-copy h1{font-size:30px}.auth-panel{padding:30px 20px}}