:root{--font-geist:"Segoe UI","Noto Sans","DejaVu Sans",sans-serif;--font-jetbrains-mono:"JetBrains Mono","Consolas","Courier New",monospace;--landing-bg:#111111;--landing-surface:#1a1a1a;--landing-border:#2e2e2e;--landing-accent:#ff8400;--landing-text:#ffffff;--landing-muted:#b8b9b6}@import url("https://fonts.googleapis.com/css2?family=Material+Symbols+Sharp:opsz,wght,FILL,GRAD@20,100,0,0");*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:var(--font-geist),sans-serif;background:var(--landing-bg);color:var(--landing-text)}a{color:inherit;text-decoration:none}.landing-root{width:100%;background:var(--landing-bg)}.landing-container{width:min(1600px,100%);margin:0 auto;padding:0}.landing-nav{display:flex;align-items:center;justify-content:space-between;padding-top:20px;padding-bottom:20px}.landing-logo{font-family:var(--font-jetbrains-mono),monospace;font-size:20px;font-weight:700;color:var(--landing-accent)}.landing-nav-links{display:flex;gap:32px;align-items:center;color:var(--landing-muted);font-size:15px}.landing-pill-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:var(--landing-accent);color:#111111;font-family:var(--font-jetbrains-mono),monospace;font-size:14px;font-weight:500;padding:10px 16px}.landing-pill-btn--nav{min-height:42px;padding:10px 20px}.landing-pill-btn--primary{min-height:52px;padding:14px 32px;font-size:16px}.landing-hero{display:flex;flex-direction:column;align-items:center;text-align:center;gap:28px;padding:120px 0}.landing-hero-title{margin:0;white-space:pre-line;font-family:var(--font-jetbrains-mono),monospace;font-size:clamp(38px,6vw,64px);line-height:1.08;max-width:1000px}.landing-hero-sub{white-space:pre-line;font-size:clamp(17px,2.2vw,20px);line-height:1.6;max-width:720px}.landing-hero-sub,.landing-note{margin:0;color:var(--landing-muted)}.landing-note{font-family:var(--font-jetbrains-mono),monospace;font-size:13px}.landing-grid-2{grid-template-columns:1fr 1fr}.landing-grid-2,.landing-stack{display:grid;grid-gap:16px;gap:16px}.landing-bento-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:20px;gap:20px}.landing-bento-section{padding:0}.landing-bento-big-card{background:var(--landing-surface);border:1px solid var(--landing-border);min-height:420px;padding:48px;display:flex;flex-direction:column;justify-content:flex-end;gap:20px}.landing-bento-tag{width:-moz-fit-content;width:fit-content;border-radius:999px;background:var(--landing-accent);color:#111111;font-family:var(--font-jetbrains-mono),monospace;font-size:11px;font-weight:600;padding:8px;display:inline-flex;align-items:center;gap:4px}.landing-bento-tag-icon{font-size:14px;line-height:1}.landing-bento-big-title{margin:0;white-space:pre-line;font-family:var(--font-jetbrains-mono),monospace;font-size:40px;line-height:1.1;max-width:500px}.landing-bento-big-text{margin:0;max-width:500px;color:var(--landing-muted);font-size:16px;line-height:1.6}.landing-bento-right{display:grid;grid-gap:20px;gap:20px}.landing-bento-mini-card{background:var(--landing-surface);border:1px solid var(--landing-border);min-height:200px;padding:36px;display:flex;flex-direction:column;justify-content:center}.landing-bento-mini-card--metric{gap:8px}.landing-bento-mini-card--profile{gap:14px}.landing-bento-metric-value{color:var(--landing-accent);font-size:56px;line-height:1;font-weight:700}.landing-bento-metric-label,.landing-bento-metric-value{margin:0;font-family:var(--font-jetbrains-mono),monospace}.landing-bento-metric-label{color:var(--landing-muted);font-size:13px}.landing-bento-profile-title{margin:0;font-family:var(--font-jetbrains-mono),monospace;font-size:28px;font-weight:600}.landing-bento-profile-text{margin:0;max-width:360px;color:var(--landing-muted);font-size:15px;line-height:1.5}.landing-card{background:var(--landing-surface);border:1px solid var(--landing-border);padding:32px}.landing-card h3,.landing-card h4,.landing-card p{margin:0}.landing-card h3,.landing-card h4{font-family:var(--font-jetbrains-mono),monospace}.landing-card p{color:var(--landing-muted)}.landing-section{padding:60px 0}.landing-title{margin:0 0 40px;text-align:center;font-family:var(--font-jetbrains-mono),monospace;font-size:clamp(30px,4vw,40px)}.landing-how-section{padding:80px 0}.landing-how-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px}.landing-how-title{margin-bottom:48px}.landing-how-grid .landing-card{display:flex;flex-direction:column;gap:18px;padding:36px}.landing-how-number{color:var(--landing-accent);font-size:36px;font-weight:700}.landing-how-number,.landing-how-step-title{margin:0;font-family:var(--font-jetbrains-mono),monospace}.landing-how-step-title{color:var(--landing-text);font-size:20px;font-weight:600}.landing-how-step-text{margin:0;color:var(--landing-muted);font-size:15px;line-height:1.6}.landing-stats{display:flex;justify-content:space-around;gap:16px}.landing-stats-section{padding:64px 0}.landing-stat{text-align:center}.landing-stat-value{margin:0;font-size:clamp(34px,4vw,44px)}.landing-stat-label,.landing-stat-value{font-family:var(--font-jetbrains-mono),monospace}.landing-stat-label{margin:4px 0 0;color:var(--landing-muted);font-size:13px}.landing-cta-wrap{padding-top:0;padding-bottom:48px}.landing-cta{background:var(--landing-surface);border:1px solid var(--landing-border);border-radius:2px;padding:72px 48px;text-align:center}.landing-cta-title{margin:0 0 28px;font-family:var(--font-jetbrains-mono),monospace;font-size:clamp(34px,4vw,44px)}.landing-footer{display:flex;justify-content:space-between;gap:12px;color:var(--landing-muted);padding:24px 0}.landing-footer-logo{margin:0;font-family:var(--font-jetbrains-mono),monospace;font-size:14px;font-weight:700}.landing-footer-copy{margin:0;font-size:13px}@media (max-width:1024px){.landing-bento-grid,.landing-grid-2,.landing-how-grid,.landing-stats{display:grid;grid-template-columns:1fr}}@media (max-width:768px){.landing-container{width:100%;padding:0 24px}.landing-nav{flex-direction:column;gap:16px;align-items:flex-start}.landing-nav-links{flex-wrap:wrap;gap:14px}.landing-section{padding:48px 0}.landing-footer{flex-direction:column}}.auth-screen{min-height:900px;background:#111111;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:24px;padding:24px}.auth-logo{margin:0;color:#ff8400;font-family:var(--font-jetbrains-mono),monospace;font-size:18px;font-weight:700}.auth-card{width:420px;max-width:100%;background:#1a1a1a;border:1px solid #2e2e2e;padding:32px;gap:24px}.auth-card,.auth-card-header{display:flex;flex-direction:column}.auth-card-header{gap:4px}.auth-card-header h2{margin:0;color:#ffffff;font-family:var(--font-jetbrains-mono),monospace;font-size:20px;font-weight:600}.auth-card-header p{margin:0;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:14px}.auth-form-group{display:flex;flex-direction:column;gap:6px}.auth-form-group label{font-weight:500}.auth-form-group label,.auth-input{color:#ffffff;font-family:var(--font-geist),sans-serif;font-size:14px}.auth-input{width:100%;height:40px;border-radius:999px;border:1px solid #2e2e2e;background:#111111;padding:8px 16px;outline:none}.auth-input::placeholder{color:#b8b9b6}.auth-input:focus{border-color:#ff8400}.auth-grade-picker{height:40px;border-radius:999px;background:#2e2e2e;padding:4px;display:flex;gap:4px}.auth-grade-option{flex:1 1;border:none;border-radius:999px;background:transparent;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:14px;font-weight:500;cursor:pointer}.auth-grade-option--active{background:#111111;color:#ffffff;box-shadow:0 1px 3.5px #0000000f;border:1px solid #2e2e2e}.auth-submit-btn{width:100%;height:48px;border:none;border-radius:999px;background:#ff8400;color:#111111;font-family:var(--font-jetbrains-mono),monospace;font-size:14px;font-weight:500;cursor:pointer}.auth-submit-btn:disabled{opacity:.7;cursor:default}.auth-error{margin:0;color:#ff7b7b;font-size:13px}.auth-error,.auth-muted-link{font-family:var(--font-geist),sans-serif}.auth-muted-link{color:#b8b9b6;font-size:12px;text-decoration:none}.auth-muted-link:hover{color:#ffffff}.auth-footnote{margin:0;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:14px}.auth-footnote a{color:#ff8400;font-weight:500}.onboarding-screen{width:100%;min-height:900px;margin:0;display:grid;justify-content:center;align-content:center;grid-gap:24px;gap:24px;background:#111111;padding:40px 16px}.onboarding-form{display:grid;justify-items:center;grid-gap:24px;gap:24px}.onboarding-logo{margin:0;color:#ff8400;font-family:var(--font-jetbrains-mono),monospace;font-size:18px;font-weight:700;text-align:center}.onboarding-card{width:560px;margin:0;border:1px solid #2e2e2e;border-radius:0;background:#1a1a1a;padding:32px;display:grid;grid-gap:32px;gap:32px}.onboarding-card-header{display:grid;grid-gap:4px;gap:4px}.onboarding-card-header h3{margin:0;color:#ffffff;font-family:var(--font-jetbrains-mono),monospace;font-size:20px;font-weight:600}.onboarding-card-header p{margin:0;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:14px;font-weight:400}.onboarding-section{display:grid;grid-gap:12px;gap:12px}.onboarding-section h4{margin:0;color:#ffffff;font-family:var(--font-jetbrains-mono),monospace;font-size:14px;font-weight:500}.onboarding-topic-row{display:flex;flex-wrap:wrap;gap:8px}.onboarding-topic-chip{display:inline-flex;align-items:center;justify-content:center;padding:8px 14px;border:1px solid #2e2e2e;border-radius:999px;cursor:pointer}.onboarding-topic-chip input{position:absolute;opacity:0;pointer-events:none}.onboarding-topic-chip span{color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:13px;font-weight:400}.onboarding-topic-chip.is-selected{background:#ff8400;border-color:#ff8400}.onboarding-topic-chip.is-selected span{color:#111111;font-weight:500}.onboarding-level-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px}.onboarding-level-card{display:grid;grid-gap:4px;gap:4px;padding:16px;border:1px solid #2e2e2e;background:transparent;cursor:pointer}.onboarding-level-card input{position:absolute;opacity:0;pointer-events:none}.onboarding-level-title{color:#b8b9b6;font-family:var(--font-jetbrains-mono),monospace;font-size:14px;font-weight:500}.onboarding-level-description{color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:12px;line-height:1.4}.onboarding-level-card.is-selected{border-color:#ff8400;background:#1a1a1a}.onboarding-level-card.is-selected .onboarding-level-title{color:#ff8400}.onboarding-primary,.onboarding-skip-link{cursor:pointer}.onboarding-primary{width:100%;height:48px;border:none;border-radius:999px;background:#ff8400;color:#111111;font-family:var(--font-jetbrains-mono),monospace;font-size:14px;font-weight:500}.onboarding-skip-link{border:none;background:transparent;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:14px;font-weight:400;text-decoration:none}.onboarding-primary:disabled,.onboarding-skip-link:disabled{opacity:.65;cursor:default}.onboarding-message{margin:0;text-align:center;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:14px}@media (max-width:640px){.onboarding-card{width:min(560px,100%);padding:24px}.onboarding-topic-row{gap:6px}.onboarding-level-list{grid-template-columns:1fr}}.dashboard-screen{width:100%;min-height:900px;background:#111111;display:flex;overflow:hidden}.dashboard-sidebar{width:280px;min-height:900px;background:#1a1a1a;border-right:1px solid #2e2e2e;display:flex;flex-direction:column;gap:24px}.dashboard-side-header{height:64px;border-bottom:1px solid #2e2e2e;display:flex;align-items:center;padding:0 24px}.dashboard-side-header span{color:#ff8400;font-family:var(--font-jetbrains-mono),monospace;font-size:16px;font-weight:700}.dashboard-side-nav{display:flex;flex-direction:column;justify-content:flex-start;gap:4px;padding:0 16px;flex:1 1}.dashboard-nav-item{border-radius:999px;padding:12px 16px;display:flex;align-items:center;gap:12px;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:14px}.dashboard-nav-link,.tasks-nav-link{display:block}.dashboard-nav-item.is-active{background:#2e2e2e;color:#ffffff}.dashboard-nav-icon{width:20px;height:20px;text-align:center;font-size:20px;line-height:20px}.material-symbols-sharp{font-family:Material Symbols Sharp,Material Symbols Outlined,sans-serif;font-weight:100;font-style:normal;letter-spacing:normal;text-transform:none;white-space:nowrap;direction:ltr;font-feature-settings:"liga"}.dashboard-side-footer{border-top:1px solid #2e2e2e;padding:16px 24px;display:grid;grid-gap:4px;gap:4px}.dashboard-side-footer p{margin:0;color:#ffffff;font-family:var(--font-geist),sans-serif;font-size:14px}.dashboard-side-footer span{color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:12px}.dashboard-main{flex:1 1;min-height:900px;padding:20px;display:grid;grid-template-rows:auto auto 1fr;grid-gap:24px;gap:24px}.dashboard-head{display:grid;grid-gap:4px;gap:4px}.dashboard-head h1{margin:0;color:#ffffff;font-family:var(--font-jetbrains-mono),monospace;font-size:28px;font-weight:700}.dashboard-head p{margin:0;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:15px}.dashboard-stats{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:16px;gap:16px}.dashboard-stat-card{background:#1a1a1a;border:1px solid #2e2e2e;padding:20px;display:grid;grid-gap:4px;gap:4px}.dashboard-stat-card span{color:#b8b9b6;font-family:var(--font-jetbrains-mono),monospace;font-size:12px}.dashboard-stat-card strong{color:#ffffff;font-family:var(--font-jetbrains-mono),monospace;font-size:32px;font-weight:700;line-height:1}.dashboard-stat-inline{display:flex;gap:8px;align-items:end}.dashboard-stat-inline .accent{color:#ff8400}.dashboard-stat-inline em{font-style:normal;color:#b8b9b6;font-family:var(--font-jetbrains-mono),monospace;font-size:14px}.dashboard-columns{display:grid;grid-template-columns:1fr 320px;grid-gap:16px;gap:16px;min-height:0}.dashboard-left-col{display:grid;grid-template-rows:auto 1fr;grid-gap:16px;gap:16px;min-height:0}.dashboard-activity-card,.dashboard-rec-card,.dashboard-skill-card{background:#1a1a1a;border:1px solid #2e2e2e}.dashboard-rec-card{padding:24px;display:grid;grid-gap:16px;gap:16px}.dashboard-rec-header{display:flex;justify-content:space-between;align-items:center}.dashboard-rec-header>span:first-child{color:#b8b9b6;font-family:var(--font-jetbrains-mono),monospace;font-size:14px;font-weight:500}.dashboard-tag{border-radius:999px;background:#291c0f;color:#ff8400;font-family:var(--font-jetbrains-mono),monospace;font-size:11px;padding:4px 10px}.dashboard-rec-problem{margin:0;color:#ffffff;font-family:var(--font-geist),sans-serif;font-size:16px;line-height:1.5}.dashboard-rec-meta{display:flex;gap:16px;color:#b8b9b6;font-size:12px}.dashboard-cta,.dashboard-rec-meta{font-family:var(--font-jetbrains-mono),monospace}.dashboard-cta{width:-moz-fit-content;width:fit-content;min-width:104px;height:40px;border:none;border-radius:999px;background:#ff8400;color:#111111;font-size:14px;font-weight:500;padding:10px 16px}.dashboard-activity-card{display:flex;flex-direction:column;justify-content:flex-start}.dashboard-activity-head{padding:16px 24px;border-bottom:1px solid #2e2e2e;color:#b8b9b6;font-family:var(--font-jetbrains-mono),monospace;font-size:14px;font-weight:500}.dashboard-activity-row{padding:12px 24px;border-bottom:1px solid #2e2e2e;display:flex;justify-content:space-between;align-items:center;flex:0 0 auto}.dashboard-activity-row>span:first-child{color:#ffffff;font-family:var(--font-geist),sans-serif;font-size:14px}.dashboard-status-pill{border-radius:999px;padding:4px 10px;font-family:var(--font-jetbrains-mono),monospace;font-size:11px}.dashboard-status-pill.success{background:#222924;color:#b6ffce}.dashboard-status-pill.warning{background:#291c0f;color:#ff8400}.dashboard-status-pill.danger{background:#24100b;color:#ff5c33}.dashboard-skill-card{padding:24px;display:grid;grid-gap:20px;gap:20px;align-content:start}.dashboard-skill-card h2{margin:0;color:#b8b9b6;font-family:var(--font-jetbrains-mono),monospace;font-size:14px;font-weight:500}.dashboard-skill-item{display:grid;grid-gap:6px;gap:6px}.dashboard-skill-head{display:flex;justify-content:space-between;align-items:center}.dashboard-skill-head span{color:#ffffff;font-family:var(--font-geist),sans-serif;font-size:13px}.dashboard-skill-head em{font-style:normal;color:#b8b9b6;font-family:var(--font-jetbrains-mono),monospace;font-size:12px}.dashboard-skill-bar{width:100%;height:6px;border-radius:999px;background:#2e2e2e;overflow:hidden}.dashboard-skill-bar i{display:block;height:100%;background:#ff8400;max-width:100%}@media (max-width:1200px){.dashboard-stats{grid-template-columns:repeat(2,1fr)}.dashboard-columns{grid-template-columns:1fr}.dashboard-right-col{width:100%}}.tasks-screen{width:100%;height:100vh;background:#111111;display:flex;overflow:hidden}.tasks-screen>.dashboard-sidebar{min-height:0;height:100%}.tasks-sidebar{width:280px;min-height:900px;background:#1a1a1a;border-right:1px solid #2e2e2e;display:flex;flex-direction:column;gap:24px}.tasks-side-header{height:64px;border-bottom:1px solid #2e2e2e;display:flex;align-items:center;padding:0 24px}.tasks-side-header span{color:#ff8400;font-family:var(--font-jetbrains-mono),monospace;font-size:16px;font-weight:700}.tasks-side-nav{display:flex;flex-direction:column;gap:4px;padding:0 16px;flex:1 1}.tasks-nav-item{border-radius:999px;padding:12px 16px;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:14px}.tasks-nav-item.is-active{background:#2e2e2e;color:#ffffff}.tasks-side-footer{border-top:1px solid #2e2e2e;padding:16px 24px;display:grid;grid-gap:4px;gap:4px}.tasks-side-footer p{margin:0;color:#ffffff;font-family:var(--font-geist),sans-serif;font-size:14px}.tasks-side-footer span{color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:12px}.tasks-main{flex:1 1;min-height:0;height:100%;overflow:hidden;padding:20px;display:grid;grid-template-rows:auto auto 1fr;grid-gap:24px;gap:24px}.tasks-top-row{display:flex;justify-content:space-between;align-items:center}.tasks-top-row h1{margin:0;color:#ffffff;font-family:var(--font-jetbrains-mono),monospace;font-size:28px;font-weight:700}.tasks-search{width:280px;height:40px;border:1px solid #2e2e2e;border-radius:999px;background:#1a1a1a;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:14px;display:flex;align-items:center;padding:8px 16px}.tasks-filters{display:flex;gap:8px}.tasks-filter-pill{border-radius:999px;border:1px solid #2e2e2e;padding:8px 14px;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:13px}.tasks-filter-pill.is-active{background:#ff8400;border-color:#ff8400;color:#111111;font-weight:500}.tasks-table-card{border:1px solid #2e2e2e;background:#1a1a1a;min-height:0;overflow:auto}.tasks-row,.tasks-table-header{display:grid;grid-template-columns:minmax(0,1fr) 420px 130px;align-items:center;border-bottom:1px solid #2e2e2e}.tasks-table-header>div{padding:12px;color:#b8b9b6;font-family:var(--font-jetbrains-mono),monospace;font-size:12px}.tasks-row>div{padding:12px;color:#ffffff;font-family:var(--font-geist),sans-serif;font-size:14px}.tasks-status-pill,.tasks-subtopic-pill,.tasks-topic-pill{border-radius:999px;padding:4px 10px;font-family:var(--font-jetbrains-mono),monospace;font-size:11px;color:#b8b9b6;background:#2e2e2e}.tasks-subtopic-pill{display:inline-block;margin-top:4px}.tasks-status-pill--success{color:#4ade80;background:rgba(74,222,128,.12)}.tasks-status-pill--warning{color:#fbbf24;background:rgba(251,191,36,.12)}.tasks-status-pill--danger{color:#f87171;background:rgba(248,113,113,.12)}.tasks-status-pill--muted{color:#6b7280;background:#2e2e2e}.col-title{display:flex;flex-direction:column;gap:6px}.col-title-text{flex:1 1}.col-question-text{font-size:12px;color:#888;line-height:1.5}.tasks-source-pill{align-self:flex-end;border-radius:999px;padding:3px 10px;font-family:var(--font-jetbrains-mono),monospace;font-size:10px;background:#ff8400;color:#111111;white-space:nowrap}.tasks-empty{padding:20px;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:14px}.task-screen{width:100%;background:#111111;overflow:hidden}.task-screen,.task-sidebar{min-height:900px;display:flex}.task-sidebar{width:280px;background:#1a1a1a;border-right:1px solid #2e2e2e;flex-direction:column;gap:24px}.task-side-header{height:64px;border-bottom:1px solid #2e2e2e;display:flex;align-items:center;padding:0 24px}.task-side-header span{color:#ff8400;font-family:var(--font-jetbrains-mono),monospace;font-size:16px;font-weight:700}.task-side-nav{display:flex;flex-direction:column;gap:4px;padding:0 16px;flex:1 1}.task-nav-link{display:block}.task-nav-item{border-radius:999px;padding:12px 16px;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:14px}.task-nav-item.is-active{background:#2e2e2e;color:#ffffff}.task-side-footer{border-top:1px solid #2e2e2e;padding:16px 24px;display:grid;grid-gap:4px;gap:4px}.task-side-footer p{margin:0;color:#ffffff;font-family:var(--font-geist),sans-serif;font-size:14px}.task-side-footer span{color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:12px}.task-main{flex:1 1;min-height:900px;padding:20px;display:grid;grid-template-rows:auto 1fr;grid-gap:24px;gap:24px}.task-header{display:grid;grid-gap:12px;gap:12px}.task-back-row{color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:13px}.task-header h1{margin:0;color:#ffffff;font-family:var(--font-jetbrains-mono),monospace;font-size:20px;font-weight:600}.task-meta-row{display:flex;gap:12px;flex-wrap:wrap}.task-badge{border-radius:999px;background:#2e2e2e;padding:4px 12px;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:12px}.task-badge.topic{background:#ff840033;color:#ff8400;font-weight:500}.task-columns{display:grid;grid-template-columns:minmax(0,1fr) 420px;grid-gap:24px;gap:24px;min-height:0}.task-problem-card,.task-solution-card{background:#1a1a1a;border:1px solid #2e2e2e;padding:28px;min-height:0}.task-problem-card{display:grid;grid-gap:20px;gap:20px;align-content:start}.task-problem-card h2,.task-solution-card h2{margin:0;color:#ffffff;font-family:var(--font-jetbrains-mono),monospace;font-size:16px;font-weight:600}.task-problem-card p{margin:0;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:14px;line-height:1.7}.task-statement-question{padding-top:4px;border-top:1px solid #2e2e2e;color:#ffffff!important}.task-badge.source{background:#ff840033;color:#ff8400}.task-source-link{margin:0;padding-top:12px;border-top:1px solid #2e2e2e}.task-source-link a{font-size:12px;color:#555;text-decoration:none}.task-source-link a:hover{color:#888;text-decoration:underline}.katex{color:inherit;font-size:1em}.task-hint{display:grid;grid-gap:12px;gap:12px}.task-hint h3{margin:0;color:#ff8400;font-size:14px;font-weight:500}.task-hint h3,.task-hint-box{font-family:var(--font-geist),sans-serif}.task-hint-box{background:#ff840010;padding:16px;color:#b8b9b6;font-size:13px;line-height:1.6}.task-solution-card{display:grid;grid-template-rows:auto 1fr auto auto auto;grid-gap:20px;gap:20px}.task-textarea-wrap{background:#2e2e2e;border:1px solid #2e2e2e;padding:16px}.task-textarea{width:100%;min-height:320px;resize:vertical;border:none;outline:none;background:transparent;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:14px;line-height:1.6}.task-textarea::placeholder{color:#b8b9b680}.task-solution-actions{display:flex;justify-content:space-between;align-items:center;gap:12px}.task-btn-primary,.task-btn-secondary{border-radius:999px;padding:12px 24px;font-family:var(--font-geist),sans-serif;font-size:14px;cursor:pointer}.task-btn-secondary{background:transparent;border:1px solid #2e2e2e;color:#b8b9b6}.task-btn-primary{border:none;background:#ff8400;color:#111111;font-weight:500}.task-btn-primary:disabled,.task-btn-secondary:disabled{opacity:.6;cursor:default}.task-runtime-meta{display:flex;justify-content:space-between;gap:10px;color:#b8b9b6;font-size:12px}.task-btn-link,.task-runtime-meta{font-family:var(--font-geist),sans-serif}.task-btn-link{border:none;background:transparent;color:#ff8400;cursor:pointer;padding:0}.task-feedback-panel{margin-top:20px;border:1px solid #2e2e2e;border-radius:10px;padding:16px 20px;background:#1a1a1a;font-family:var(--font-geist),sans-serif}.task-feedback-panel h3{margin:0 0 12px;font-size:14px;font-weight:600;color:#e0e0d8}.task-feedback-row{display:flex;gap:8px;margin-bottom:8px;font-size:13px;color:#b8b9b6}.task-feedback-label{color:#888;min-width:90px}.task-feedback-value{color:#e0e0d8}.task-feedback-verdict-accepted{color:#4caf7d}.task-feedback-verdict-mostly_correct{color:#8bc34a}.task-feedback-verdict-partial{color:#ff9800}.task-feedback-verdict-incorrect{color:#ff5252}.task-feedback-verdict-unclear{color:#b8b9b6}.settings-screen{width:100%;min-height:900px;background:#111111;display:flex;overflow:hidden}.settings-sidebar{width:280px;min-height:900px;background:#1a1a1a;border-right:1px solid #2e2e2e;display:flex;flex-direction:column;gap:24px}.settings-side-header{height:64px;border-bottom:1px solid #2e2e2e;display:flex;align-items:center;padding:0 24px}.settings-side-header span{color:#ff8400;font-family:var(--font-jetbrains-mono),monospace;font-size:16px;font-weight:700}.settings-side-nav{display:flex;flex-direction:column;gap:4px;padding:0 16px;flex:1 1}.settings-nav-link{display:block}.settings-nav-item{border-radius:999px;padding:12px 16px;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:14px}.settings-nav-item.is-active{background:#2e2e2e;color:#ffffff}.settings-side-footer{border-top:1px solid #2e2e2e;padding:16px 24px;display:grid;grid-gap:4px;gap:4px}.settings-side-footer p{margin:0;color:#ffffff;font-family:var(--font-geist),sans-serif;font-size:14px}.settings-side-footer span{color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:12px}.settings-main{flex:1 1;min-height:900px;padding:20px;display:grid;grid-template-rows:auto 1fr;grid-gap:24px;gap:24px}.settings-header{display:grid;grid-gap:4px;gap:4px}.settings-header h1{margin:0;color:#ffffff;font-family:var(--font-jetbrains-mono),monospace;font-size:28px;font-weight:700}.settings-header p{margin:0;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:15px}.settings-content{display:grid;grid-template-columns:minmax(0,1fr) 380px;grid-gap:24px;gap:24px}.settings-left,.settings-right{display:grid;grid-gap:24px;gap:24px;align-content:start}.settings-card{background:#1a1a1a;border:1px solid #2e2e2e;padding:24px;display:grid;grid-gap:16px;gap:16px}.settings-card h2{margin:0;color:#ffffff;font-family:var(--font-jetbrains-mono),monospace;font-size:16px;font-weight:600}.settings-sub{margin:0;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:13px}.settings-field{display:grid;grid-gap:6px;gap:6px}.settings-field span{color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:13px}.settings-input,.settings-input-edit{height:44px;border-radius:999px;background:#2e2e2e;border:1px solid #2e2e2e;display:flex;align-items:center;padding:0 16px;color:#ffffff;font-family:var(--font-geist),sans-serif;font-size:14px}.settings-input-edit{outline:none}.settings-input.muted{color:#b8b9b6}.settings-class-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px}.settings-class-btn{height:44px;border-radius:999px;border:1px solid #2e2e2e;background:transparent;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:14px}.settings-class-btn.is-active{background:#ff8400;border-color:#ff8400;color:#111111;font-weight:500}.settings-save-btn{width:-moz-fit-content;width:fit-content;border:none;border-radius:999px;padding:12px 32px;background:#ff8400;color:#111111;font-family:var(--font-geist),sans-serif;font-size:14px;font-weight:500}.settings-topic-list{display:grid;grid-gap:8px;gap:8px}.settings-topic-row{display:flex;align-items:center;justify-content:space-between;background:#2e2e2e;border:none;padding:12px 16px;width:100%;text-align:left}.settings-topic-row span:first-child{color:#ffffff;font-family:var(--font-geist),sans-serif;font-size:14px}.settings-switch{width:40px;height:22px;border-radius:999px;display:inline-block;position:relative}.settings-switch:after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%}.settings-switch.on{background:#ff8400}.settings-switch.on:after{left:20px;background:#ffffff}.settings-switch.off{background:#2e2e2e}.settings-switch.off:after{background:#b8b9b6}.settings-danger-btn,.settings-outline-btn{width:100%;border-radius:999px;padding:12px 24px;font-family:var(--font-geist),sans-serif;font-size:14px}.settings-outline-btn{border:1px solid #2e2e2e;background:transparent;color:#ffffff}.settings-danger-btn{border:none;background:#ef444420;color:#ef4444;font-weight:500}.settings-message{margin:0;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:13px}.review-screen{width:100%;height:100vh;background:#111111;display:flex;overflow:hidden}.review-main,.review-screen>.dashboard-sidebar{min-height:0;height:100%}.review-main{flex:1 1;overflow-y:auto;gap:24px;padding:20px}.review-header,.review-main{display:flex;flex-direction:column}.review-header{gap:6px}.review-back-row a{color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:13px;text-decoration:none}.review-back-row a:hover{color:#ffffff}.review-header h1{margin:0;color:#ffffff;font-family:var(--font-jetbrains-mono),monospace;font-size:22px;font-weight:600}.review-problem-title{margin:0;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:14px}.review-verdict-card{background:#1a1a1a;border:1px solid #2e2e2e;padding:24px;justify-content:space-between;flex-shrink:0}.review-verdict-card,.review-verdict-left{display:flex;align-items:center;gap:16px}.review-verdict-icon{width:48px;height:48px;border-radius:999px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.review-verdict-icon .material-symbols-sharp{font-size:28px}.review-verdict-text{display:flex;flex-direction:column;gap:4px}.review-verdict-label{font-family:var(--font-jetbrains-mono),monospace;font-size:20px;font-weight:700}.review-verdict-sub{color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:13px}.review-confidence{display:flex;flex-direction:column;align-items:flex-end;gap:4px}.review-confidence-label{color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:12px}.review-confidence-row{display:flex;align-items:center;gap:8px}.review-confidence-bar{width:120px;height:6px;background:#2e2e2e;border-radius:999px;overflow:hidden;position:relative}.review-confidence-fill{height:100%;border-radius:999px;transition:width .3s ease}.review-confidence-pct{font-family:var(--font-jetbrains-mono),monospace;font-size:14px;font-weight:600;min-width:36px;text-align:right}.review-columns{flex:1 1;min-height:0;display:flex;gap:24px}.review-analysis-card{flex:1 1;min-height:0;background:#1a1a1a;border:1px solid #2e2e2e;padding:24px;display:flex;flex-direction:column;gap:16px;overflow-y:auto}.review-analysis-card h2{margin:0;color:#ffffff;font-family:var(--font-jetbrains-mono),monospace;font-size:16px;font-weight:600}.review-analysis-text{line-height:1.6;white-space:pre-wrap}.review-analysis-empty,.review-analysis-text{margin:0;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:14px}.review-analysis-empty{font-style:italic}.review-side-col{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:24px;overflow-y:auto}.review-gaps-card,.review-recs-card{background:#1a1a1a;border:1px solid #2e2e2e;padding:24px;display:flex;flex-direction:column;gap:12px}.review-gaps-card h3,.review-recs-card h3{margin:0;color:#ffffff;font-family:var(--font-jetbrains-mono),monospace;font-size:16px;font-weight:600}.review-gap-list,.review-rec-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px}.review-gap-item,.review-rec-item{display:flex;align-items:flex-start;gap:10px;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:13px;line-height:1.5}.review-gap-dot{width:6px;height:6px;border-radius:999px;background:#EAB308;flex-shrink:0;margin-top:5px}.review-rec-icon{font-size:18px;color:#ff8400;flex-shrink:0;margin-top:1px}.review-gaps-empty{margin:0;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:13px}.review-actions{display:flex;flex-direction:column;gap:12px}.review-btn-primary,.review-btn-secondary{display:flex;align-items:center;justify-content:center;border-radius:999px;padding:12px 24px;font-family:var(--font-geist),sans-serif;font-size:14px;font-weight:500;text-decoration:none;cursor:pointer;transition:opacity .15s;width:100%;box-sizing:border-box;text-align:center}.review-btn-primary{background:#ff8400;color:#111111}.review-btn-primary:hover{opacity:.9}.review-btn-secondary{background:transparent;color:#ffffff;border:1px solid #2e2e2e}.review-btn-secondary:hover{background:#2e2e2e}.refine-screen{width:100%;height:100vh;background:#111111;display:flex;overflow:hidden}.refine-main,.refine-screen>.dashboard-sidebar{min-height:0;height:100%}.refine-main{flex:1 1;overflow-y:auto;gap:20px;padding:20px}.refine-header,.refine-main{display:flex;flex-direction:column}.refine-header{gap:6px;flex-shrink:0}.refine-back-row a{color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:13px;text-decoration:none}.refine-back-row a:hover{color:#ffffff}.refine-header h1{margin:0;color:#ffffff;font-family:var(--font-jetbrains-mono),monospace;font-size:22px;font-weight:600}.refine-columns{display:flex;gap:16px;flex:1 1;min-height:0}.refine-feedback-card{flex:1 1;min-width:0;background:#1a1a1a;border:1px solid #2e2e2e;padding:20px;display:flex;flex-direction:column;gap:16px;overflow-y:auto}.refine-prev-solution h3{margin:0 0 8px;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em}.refine-prev-solution-text{margin:0;color:#b8b9b6;font-family:var(--font-jetbrains-mono),monospace;font-size:13px;white-space:pre-wrap;line-height:1.6}.refine-feedback-section{background:#222222;border:1px solid #2e2e2e;padding:14px 16px}.refine-feedback-section--gaps{background:rgba(234,179,8,.08);border-color:rgba(234,179,8,.2)}.refine-feedback-section-title{margin:0 0 10px;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:13px;font-weight:600}.refine-feedback-section-title--gap{color:#eab308}.refine-feedback-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}.refine-feedback-item{color:#d4d4d0;font-family:var(--font-geist),sans-serif;font-size:13px;line-height:1.5;padding-left:14px;position:relative}.refine-feedback-item:before{content:"–";position:absolute;left:0;color:#b8b9b6}.refine-feedback-item--gap:before{color:#eab308}.refine-feedback-empty{margin:0;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:13px}.refine-solution-card{width:420px;flex-shrink:0;background:#1a1a1a;border:1px solid #2e2e2e;padding:20px;display:flex;flex-direction:column;gap:14px}.refine-solution-card h3{margin:0;color:#ffffff;font-family:var(--font-geist),sans-serif;font-size:14px;font-weight:600}.refine-textarea{flex:1 1;min-height:280px;background:#111111;border:1px solid #2e2e2e;color:#ffffff;font-family:var(--font-jetbrains-mono),monospace;font-size:13px;line-height:1.6;padding:12px;resize:vertical;outline:none}.refine-textarea:focus{border-color:#ff8400}.refine-textarea:disabled{opacity:.6}.refine-error{margin:0;color:#FF5C33;font-family:var(--font-geist),sans-serif;font-size:12px}.refine-btn-row{display:flex;gap:10px}.refine-btn{flex:1 1;padding:10px 16px;border-radius:999px;font-family:var(--font-geist),sans-serif;font-size:13px;font-weight:500;cursor:pointer;border:none;transition:opacity .15s}.refine-btn:disabled{opacity:.5;cursor:not-allowed}.refine-btn--outline{background:transparent;color:#ffffff;border:1px solid #2e2e2e}.refine-btn--outline:hover:not(:disabled){background:#2e2e2e}.refine-btn--primary{background:#ff8400;color:#111111}.refine-btn--primary:hover:not(:disabled){opacity:.9}.history-screen{width:100%;height:100vh;background:#111111;display:flex;overflow:hidden}.history-main,.history-screen>.dashboard-sidebar{min-height:0;height:100%}.history-main{flex:1 1;overflow-y:auto;display:flex;flex-direction:column;gap:20px;padding:20px}.history-top-row{display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.history-title{margin:0;color:#ffffff;font-family:var(--font-jetbrains-mono),monospace;font-size:28px;font-weight:700}.history-filters{display:flex;gap:8px;flex-shrink:0;flex-wrap:wrap}.history-filter-pill{padding:8px 14px;border-radius:999px;font-family:var(--font-geist),sans-serif;font-size:13px;font-weight:500;color:#b8b9b6;border:1px solid #2e2e2e;text-decoration:none;transition:background .15s,color .15s}.history-filter-pill:hover{background:#2e2e2e;color:#ffffff}.history-filter-pill.is-active{background:#ff8400;color:#111111;border-color:#ff8400}.history-table{flex:1 1;min-height:0;background:#1a1a1a;border:1px solid #2e2e2e;display:flex;flex-direction:column;overflow:hidden}.history-table-header{color:#b8b9b6;font-family:var(--font-jetbrains-mono),monospace;font-size:12px}.history-table-header,.history-table-row{display:flex;align-items:center;border-bottom:1px solid #2e2e2e;flex-shrink:0}.history-table-row{text-decoration:none;color:inherit;transition:background .1s}.history-table-row:last-child{border-bottom:none}.history-table-row:hover{background:#222222}.history-col-task{flex:1 1;min-width:0;padding:12px}.history-col-date{width:120px;flex-shrink:0;padding:12px}.history-col-count{width:100px;flex-shrink:0;padding:12px}.history-col-status{width:140px;flex-shrink:0;padding:12px}.history-task-title{color:#ffffff;font-size:14px;line-height:1.4}.history-task-question,.history-task-title{font-family:var(--font-geist),sans-serif;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-task-question{color:#888;font-size:12px;line-height:1.3;margin-top:3px}.history-cell-muted{color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:13px}.history-status-badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-family:var(--font-jetbrains-mono),monospace;font-size:11px;font-weight:500;white-space:nowrap}.history-status-badge--success{background:rgba(34,197,94,.15);color:#22c55e}.history-status-badge--warning{background:rgba(234,179,8,.15);color:#eab308}.history-status-badge--error{background:rgba(255,92,51,.15);color:#ff5c33}.history-status-badge--muted{background:rgba(184,185,182,.1);color:#b8b9b6}.history-empty{flex:1 1;display:flex;align-items:center;justify-content:center;color:#b8b9b6;font-family:var(--font-geist),sans-serif;font-size:14px}.skill-profile-screen{display:flex;height:100vh;overflow:hidden;background:#111}.skill-profile-main{flex:1 1;min-width:0;overflow-y:auto;padding:24px 28px;gap:20px}.skill-profile-main,.sp-header{display:flex;flex-direction:column}.sp-header{gap:4px}.sp-header-title{font-family:var(--font-geist),sans-serif;font-size:26px;font-weight:700;color:#fff;margin:0}.sp-header-sub{font-size:14px;color:#888;margin:0}.sp-stats-row{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:12px;gap:12px}.sp-stat-card{background:#1a1a1a;border:1px solid #2e2e2e;border-radius:6px;padding:16px 20px;display:flex;flex-direction:column;gap:6px}.sp-stat-label{font-size:12px;color:#888}.sp-stat-label,.sp-stat-value{font-family:var(--font-geist),sans-serif}.sp-stat-value{font-size:32px;font-weight:700;color:#fff;line-height:1}.sp-stat-value--primary{color:#ff8400}.sp-stat-value--lg{font-size:20px;font-weight:700}.sp-stat-row{display:flex;align-items:flex-end;gap:8px}.sp-stat-unit{font-size:14px;color:#888;padding-bottom:4px}.sp-content{display:flex;gap:24px;align-items:flex-start}.sp-topics-col{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:12px}.sp-topics-title{font-size:16px;font-weight:600;color:#fff;font-family:var(--font-geist),sans-serif;margin:0}.sp-topic-card{background:#1a1a1a;border:1px solid #2e2e2e;border-radius:6px;padding:16px 20px;display:flex;flex-direction:column;gap:12px}.sp-topic-header{display:flex;align-items:center;justify-content:space-between}.sp-topic-left{gap:10px}.sp-topic-icon,.sp-topic-left{display:flex;align-items:center}.sp-topic-icon{width:32px;height:32px;border-radius:50%;justify-content:center;font-size:14px;font-weight:700;color:#fff;flex-shrink:0}.sp-topic-name{font-size:15px;font-weight:500;color:#fff;font-family:var(--font-geist),sans-serif}.sp-topic-pct{font-size:13px;color:#888;font-family:var(--font-jetbrains-mono),monospace}.sp-progress-track{width:100%;height:8px;background:#2a2a2a;border-radius:4px;overflow:hidden}.sp-progress-fill{height:100%;border-radius:4px;transition:width .3s ease}.sp-topic-meta{display:flex;align-items:center;justify-content:space-between}.sp-topic-count{color:#888}.sp-strength-label,.sp-topic-count{font-size:12px;font-family:var(--font-geist),sans-serif}.sp-strength-label{font-weight:500}.sp-strength-label--strong{color:#22c55e}.sp-strength-label--medium{color:#ff8400}.sp-strength-label--weak{color:#ef4444}.sp-strength-label--start{color:#888}.sp-right-col{width:320px;flex-shrink:0}.sp-overview-card,.sp-right-col{display:flex;flex-direction:column;gap:12px}.sp-overview-card{background:#1a1a1a;border:1px solid #2e2e2e;border-radius:6px;padding:20px 24px}.sp-overview-title{font-size:15px;font-weight:600;color:#fff;font-family:var(--font-geist),sans-serif;margin:0}.sp-overview-pct{font-size:48px;font-weight:700;color:#ff8400;line-height:1}.sp-overview-pct,.sp-overview-sub{font-family:var(--font-geist),sans-serif;text-align:center}.sp-overview-sub{font-size:12px;color:#888}.sp-overview-divider{border:none;border-top:1px solid #2e2e2e;margin:0}.sp-overview-stats{display:flex;flex-direction:column;gap:8px}.sp-overview-stat{display:flex;align-items:center;justify-content:space-between}.sp-overview-stat-label{color:#888}.sp-overview-stat-label,.sp-overview-stat-value{font-size:13px;font-family:var(--font-geist),sans-serif}.sp-overview-stat-value{font-weight:500;color:#fff}.sp-overview-stat-value--green{color:#22c55e}.sp-rec-card{background:#1a1a1a;border:1px solid #2e2e2e;border-radius:6px;padding:20px 24px;display:flex;flex-direction:column;gap:10px}.sp-rec-title{font-size:15px;font-weight:600;color:#fff;font-family:var(--font-geist),sans-serif;margin:0}.sp-rec-item{display:flex;align-items:flex-start;gap:10px;background:#242424;border-radius:4px;padding:10px 12px}.sp-rec-icon{color:#ff8400;font-size:18px;flex-shrink:0;margin-top:1px}.sp-rec-text{font-size:13px;color:#aaa;line-height:1.4}.sp-empty,.sp-rec-text{font-family:var(--font-geist),sans-serif}.sp-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:48px 0;color:#888;font-size:14px}