.tk-page{width:100%;max-width:var(--tk-content-max);margin:0 auto}.tk-page-header{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:24px}.tk-page-header-main,.tk-page-header-copy{min-width:0}.tk-eyebrow,.tk-page-kicker{color:var(--tk-brand);font:800 10px var(--tk-mono);letter-spacing:.16em;text-transform:uppercase}.tk-page-title{margin:5px 0 7px;font-size:clamp(27px,3vw,38px);line-height:1.08;letter-spacing:-.035em}.tk-page-description{max-width:760px;margin:0;color:var(--tk-text-muted);font-size:14px}.tk-page-actions,.tk-page-header-actions{display:flex;align-items:center;gap:9px}
.tk-card{background:linear-gradient(145deg,rgba(255,255,255,.025),rgba(255,255,255,.008)),var(--tk-card);border:1px solid var(--tk-border);border-radius:var(--tk-radius);box-shadow:var(--tk-shadow)}.tk-card:hover{border-color:var(--tk-border-strong)}.tk-card-body{padding:22px}
.tk-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:38px;padding:0 15px;border-radius:8px;border:1px solid var(--tk-border-strong);font-size:12px;font-weight:800;transition:var(--tk-transition);white-space:nowrap}.tk-btn:hover{transform:translateY(-1px)}.tk-btn-primary{background:linear-gradient(135deg,var(--tk-brand-strong),var(--tk-brand));border-color:transparent;color:#fff;box-shadow:0 8px 22px rgba(54,163,255,.18)}.tk-btn-secondary,.tk-btn-ghost{background:var(--tk-card);color:var(--tk-text-soft)}.tk-btn-ghost{border-color:transparent}.tk-btn-danger{background:rgba(255,100,124,.1);color:var(--tk-danger);border-color:rgba(255,100,124,.2)}
.tk-badge,.tk-chip,.tk-status{display:inline-flex;align-items:center;gap:6px;border-radius:99px;padding:5px 9px;font-size:10px;font-weight:800;letter-spacing:.03em}.tk-badge{background:rgba(54,163,255,.1);color:#6ebcff;border:1px solid rgba(54,163,255,.18)}.tk-badge-blue,.tk-badge-primary{background:var(--tk-brand-soft);color:var(--tk-brand)}.tk-badge-muted{background:rgba(130,147,170,.1);color:var(--tk-text-muted)}.tk-badge-purple{background:rgba(161,122,255,.11);color:#b99aff}.tk-badge-warning{background:rgba(246,196,83,.1);color:var(--tk-warning)}
.tk-section{margin-top:30px}.tk-section-header{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:13px}.tk-section-title{margin:0;font-size:17px;letter-spacing:-.02em}.tk-section-link{color:var(--tk-brand);font-size:11px;font-weight:800}
.tk-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.tk-stat{position:relative;padding:19px;border:1px solid var(--tk-border);border-radius:12px;background:var(--tk-card);overflow:hidden}.tk-stat:after{content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;border-radius:50%;background:var(--tk-brand-soft)}.tk-stat-label{color:var(--tk-text-muted);font-size:11px;font-weight:700}.tk-stat-value{margin:5px 0;font-size:28px;font-weight:850;letter-spacing:-.04em}.tk-stat-meta{color:var(--tk-text-faint);font-size:10px}.tk-content-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,.75fr);gap:18px}.tk-grid{display:grid;gap:16px}.tk-grid-3{grid-template-columns:repeat(3,1fr)}
.tk-progress{height:6px;overflow:hidden;border-radius:99px;background:rgba(130,147,170,.13)}.tk-progress-bar{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--tk-brand),var(--tk-accent))}
.tk-status{padding:4px 8px;background:rgba(53,211,154,.08);color:var(--tk-success)}.tk-status-dot,.tk-battle-status-dot{width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 10px currentColor}.tk-status-online{color:var(--tk-success)}
.tk-filter-card{padding:15px;margin-bottom:20px}.tk-filter-form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) auto;gap:12px;align-items:end}.tk-form-group{display:flex;flex-direction:column;gap:7px}.tk-form-group label{font-size:10px;font-weight:800;color:var(--tk-text-muted);letter-spacing:.04em}.tk-form-group input,.tk-form-group select,.tk-form-group textarea{width:100%;border:1px solid var(--tk-border);border-radius:8px;background:var(--tk-input);color:var(--tk-text);padding:10px 12px;outline:none;transition:var(--tk-transition)}.tk-form-group input,.tk-form-group select{height:40px}.tk-form-group textarea{min-height:120px;resize:vertical}.tk-form-group input:focus,.tk-form-group select:focus,.tk-form-group textarea:focus{border-color:rgba(54,163,255,.55);box-shadow:0 0 0 3px rgba(54,163,255,.08)}.tk-filter-actions{display:flex;gap:8px}
.tk-challenges-list{display:grid;gap:10px}.tk-challenge-item{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"head meta" "body meta" "footer meta";gap:8px 20px;padding:18px 20px;transition:var(--tk-transition);position:relative;overflow:hidden}.tk-challenge-item:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(var(--tk-brand),var(--tk-accent));opacity:.75}.tk-challenge-item:hover{transform:translateY(-2px);background:var(--tk-card-hover);box-shadow:var(--tk-shadow-lg)}.tk-challenge-item-header{grid-area:head;display:flex;align-items:center;justify-content:space-between;gap:10px}.tk-challenge-item-category{display:flex;align-items:center;gap:9px}.tk-challenge-item-icon{width:32px;height:32px;display:grid;place-items:center;border-radius:9px;background:var(--tk-brand-soft);color:var(--tk-brand);font-size:14px}.tk-category-label{font-size:10px;font-weight:850;letter-spacing:.12em;text-transform:uppercase;color:var(--tk-brand)}.tk-difficulty{padding:4px 8px;border-radius:99px;font-size:9px;font-weight:850;text-transform:uppercase;letter-spacing:.08em}.tk-difficulty-easy{background:rgba(53,211,154,.1);color:var(--tk-success)}.tk-difficulty-medium{background:rgba(246,196,83,.1);color:var(--tk-warning)}.tk-difficulty-hard{background:rgba(255,100,124,.1);color:var(--tk-danger)}.tk-difficulty-insane{background:rgba(190,116,255,.12);color:#c18cff}.tk-challenge-item-body{grid-area:body}.tk-challenge-item-title,.tk-challenge-title{margin:0;font-size:19px;letter-spacing:-.025em}.tk-challenge-item-title a:hover,.tk-challenge-title a:hover{color:var(--tk-brand)}.tk-challenge-item-description{max-width:900px;margin:5px 0 0;color:var(--tk-text-muted);font-size:12px}.tk-challenge-item-meta{grid-area:meta;min-width:230px;display:flex;flex-direction:column;justify-content:center;align-items:flex-end;gap:12px;border-left:1px solid var(--tk-border);padding-left:20px}.tk-challenge-meta-group{display:flex;gap:18px;color:var(--tk-text-soft)}.tk-challenge-meta-item{font:700 10px var(--tk-mono)}.tk-challenge-meta-item small{color:var(--tk-text-faint);font-size:8px;margin-left:3px}.tk-challenge-item-author{color:var(--tk-text-faint);font-size:10px}.tk-challenge-item-footer{grid-area:footer}.tk-empty-state{padding:55px 25px;text-align:center}.tk-empty-icon{width:48px;height:48px;margin:0 auto 13px;display:grid;place-items:center;border-radius:14px;background:var(--tk-brand-soft);color:var(--tk-brand);font:800 16px var(--tk-mono)}.tk-empty-state h2{margin:0 0 5px}.tk-empty-state p{margin:0;color:var(--tk-text-muted)}
.tk-challenge-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:18px}.tk-challenge-main,.tk-challenge-sidebar{display:grid;gap:16px;align-content:start}.tk-challenge-intro,.tk-challenge-section,.tk-challenge-stats,.tk-challenge-status{padding:22px}.tk-challenge-description-full{color:var(--tk-text-soft);line-height:1.8}.tk-challenge-show-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.tk-stat-list{display:grid;gap:0}.tk-stat-row{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--tk-border);font-size:11px}.tk-stat-row:last-child{border-bottom:0}.tk-stat-row span{color:var(--tk-text-muted)}.tk-file-list,.tk-hint-list,.tk-team-member-list{display:grid;gap:9px}.tk-file-item,.tk-hint-item,.tk-team-member-row,.tk-notification-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px;border:1px solid var(--tk-border);border-radius:9px;background:rgba(255,255,255,.015)}.tk-file-name{font-weight:700}.tk-file-meta{font-size:10px;color:var(--tk-text-faint)}.tk-flag-form{display:grid;grid-template-columns:1fr auto;gap:9px}.tk-hint-content{color:var(--tk-text-muted);font-size:12px}.tk-alert{padding:12px 14px;border-radius:9px;border:1px solid;margin-bottom:14px;font-size:12px}.tk-alert-success{background:rgba(53,211,154,.08);border-color:rgba(53,211,154,.2);color:var(--tk-success)}.tk-alert-error{background:rgba(255,100,124,.08);border-color:rgba(255,100,124,.2);color:var(--tk-danger)}
.tk-team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.tk-team-card{padding:18px}.tk-team-card-top,.tk-team-card-footer,.tk-team-card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px}.tk-team-logo{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;background:var(--tk-brand-soft);color:var(--tk-brand);font-weight:900}.tk-team-card-title{margin:12px 0 5px;font-size:17px}.tk-team-card-description{margin:0;color:var(--tk-text-muted);font-size:11px;min-height:36px}.tk-team-card-meta{margin:14px 0;color:var(--tk-text-faint);font-size:10px}.tk-team-empty{text-align:center;padding:60px 20px}.tk-team-empty-content{max-width:500px;margin:auto}
.tk-dashboard-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.tk-notification-row{align-items:flex-start}.tk-notification-row strong{display:block}.tk-notification-row small{color:var(--tk-text-faint)}
.tk-battle-hero{position:relative;overflow:hidden;padding:28px;border:1px solid rgba(54,163,255,.2);border-radius:16px;background:radial-gradient(circle at 85% 10%,rgba(54,163,255,.18),transparent 30%),linear-gradient(135deg,#0d1a2e,#0c1524);box-shadow:var(--tk-shadow-lg)}.tk-battle-hero:after{content:"";position:absolute;right:-100px;bottom:-130px;width:300px;height:300px;border:1px solid rgba(156,255,0,.18);border-radius:50%;box-shadow:0 0 0 40px rgba(156,255,0,.02),0 0 0 80px rgba(156,255,0,.02)}.tk-battle-hero-content{position:relative;z-index:1}.tk-battle-hero-label{color:var(--tk-accent);font:800 10px var(--tk-mono);letter-spacing:.18em}.tk-battle-hero h1{max-width:720px;margin:8px 0;font-size:clamp(28px,4vw,46px);letter-spacing:-.05em}.tk-battle-hero p{max-width:680px;color:var(--tk-text-muted)}.tk-battle-hero-status{display:inline-flex;align-items:center;gap:7px;margin-top:8px;font-size:10px;color:var(--tk-success)}.tk-battle-mode-grid,.tk-battle-size-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.tk-battle-mode-card,.tk-battle-size-card{padding:20px;transition:var(--tk-transition)}.tk-battle-mode-card:hover,.tk-battle-size-card:hover{transform:translateY(-2px);border-color:rgba(54,163,255,.3)}.tk-battle-mode-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:11px;background:var(--tk-brand-soft);color:var(--tk-brand);font-weight:900}.tk-battle-mode-label{margin-top:12px;font-size:17px;font-weight:800}.tk-battle-mode-content p,.tk-battle-size-description{color:var(--tk-text-muted);font-size:11px}.tk-battle-mode-features{display:grid;gap:6px;margin:14px 0;color:var(--tk-text-soft);font-size:11px}.tk-battle-mode-features span:before{content:"✓";color:var(--tk-accent);margin-right:7px}.tk-battle-mode-footer{display:flex;justify-content:space-between;align-items:center;gap:8px}.tk-battle-size-number{color:var(--tk-brand);font:800 25px var(--tk-mono)}.tk-battle-size-title{font-weight:800}.tk-battle-info{padding:17px}.tk-battle-info-icon{color:var(--tk-brand)}.tk-battle-flow{display:grid;gap:10px}
.tk-battle-countdown{font:900 36px var(--tk-mono);color:var(--tk-accent);letter-spacing:.05em}.tk-form-card{padding:22px}
@media(max-width:1100px){.tk-content-grid{grid-template-columns:1fr}.tk-stats-grid{grid-template-columns:repeat(2,1fr)}.tk-team-grid{grid-template-columns:repeat(2,1fr)}.tk-challenge-layout{grid-template-columns:1fr}.tk-filter-form{grid-template-columns:repeat(2,1fr)}.tk-filter-actions{grid-column:1/-1}}
@media(max-width:800px){:root{--tk-sidebar-width:250px}.tk-main{margin-left:0}.tk-menu-toggle{display:grid}.tk-sidebar{transform:translateX(-102%);transition:transform 220ms ease;box-shadow:var(--tk-shadow-lg)}.tk-sidebar.tk-sidebar-open{transform:translateX(0)}.tk-sidebar-overlay.tk-overlay-visible{display:block;position:fixed;inset:0;z-index:45;background:rgba(0,0,0,.55);backdrop-filter:blur(3px)}.tk-content{padding:22px 16px 40px}.tk-topbar{padding:0 14px}.tk-topbar-username{display:none}.tk-page-header{align-items:flex-start;flex-direction:column}.tk-page-header-actions{width:100%}.tk-filter-form{grid-template-columns:1fr}.tk-filter-actions{grid-column:auto}.tk-challenge-item{grid-template-columns:1fr;grid-template-areas:"head" "body" "meta" "footer"}.tk-challenge-item-meta{min-width:0;border-left:0;border-top:1px solid var(--tk-border);padding:12px 0 0;align-items:flex-start}.tk-team-grid,.tk-dashboard-grid,.tk-battle-mode-grid,.tk-battle-size-grid,.tk-grid-3{grid-template-columns:1fr}.tk-stats-grid{grid-template-columns:1fr 1fr}.tk-flag-form{grid-template-columns:1fr}}
@media(max-width:500px){.tk-stats-grid{grid-template-columns:1fr}.tk-topbar-right .tk-topbar-user{display:none}.tk-page-title{font-size:28px}.tk-challenge-item{padding:15px}.tk-challenge-meta-group{flex-wrap:wrap;gap:10px}}