.tk-challenges-page .tk-page-header{padding-bottom:4px}.tk-challenges-page .tk-filter-card{position:sticky;top:72px;z-index:15;backdrop-filter:blur(16px);background:color-mix(in srgb,var(--tk-card) 88%,transparent)}.tk-challenges-page .tk-challenges-list{margin-top:4px}.tk-challenges-page .tk-challenge-item-title{font-size:20px}.tk-challenges-page .tk-challenge-item-description{max-width:850px}
.tk-dashboard-hero{position:relative;overflow:hidden;padding:28px;border:1px solid var(--tk-border);border-radius:16px;background:radial-gradient(circle at 88% 15%,rgba(54,163,255,.18),transparent 30%),linear-gradient(135deg,var(--tk-card),var(--tk-bg-soft));}.tk-dashboard-hero:after{content:"";position:absolute;right:-70px;bottom:-100px;width:260px;height:260px;border-radius:50%;border:1px solid rgba(54,163,255,.16);box-shadow:0 0 0 35px rgba(54,163,255,.025),0 0 0 70px rgba(54,163,255,.02)}.tk-dashboard-hero>*{position:relative;z-index:1}.tk-dashboard-hero h1{max-width:760px;font-size:clamp(28px,4vw,44px);line-height:1.05;letter-spacing:-.05em;margin:8px 0}.tk-dashboard-hero p{max-width:760px;color:var(--tk-text-muted)}
.tk-section-card{padding:20px}.tk-section-card .tk-section-header{margin-bottom:16px}
.tk-challenge-show-page .tk-page-header{margin-bottom:18px}.tk-challenge-show-page .tk-page-title{font-size:clamp(26px,4vw,40px)}.tk-challenge-status{display:flex;align-items:center;gap:10px}.tk-status-icon{width:35px;height:35px;display:grid;place-items:center;border-radius:10px;background:var(--tk-accent-soft);color:var(--tk-accent);font-weight:900}
.tk-team-card:hover{box-shadow:0 18px 45px rgba(0,0,0,.18)}.tk-teams-page .tk-page-header{margin-bottom:20px}
.tk-battle-page .tk-section-heading{margin:28px 0 12px;font-size:18px;letter-spacing:-.02em}.tk-battle-page .tk-card{box-shadow:var(--tk-shadow)}.tk-battle-mode-card{min-height:240px}.tk-battle-size-card{min-height:150px}
.tk-topbar .tk-theme-toggle{color:var(--tk-brand)}.tk-theme-icon{font-size:14px}
.tk-profile-grid,.tk-leaderboard-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.tk-profile-header{display:flex;align-items:center;gap:16px}.tk-profile-avatar{width:68px;height:68px;display:grid;place-items:center;border-radius:18px;background:linear-gradient(135deg,var(--tk-brand),var(--tk-accent));color:#fff;font-size:22px;font-weight:900}.tk-profile-header h2{margin:4px 0}.tk-profile-header p{margin:0;color:var(--tk-text-muted)}.tk-rank-panel{display:flex;align-items:end;justify-content:space-between;gap:22px;margin-top:24px;padding-top:20px;border-top:1px solid var(--tk-border)}.tk-rank-panel h2{margin:8px 0 2px}.tk-rank-panel p{margin:0;color:var(--tk-text-muted)}.tk-rank-progress{flex:1}.tk-rank-progress small{display:block;margin-top:7px;color:var(--tk-text-muted)}.tk-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.tk-leaderboard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tk-leaderboard-row{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--tk-border)}.tk-leaderboard-row:last-child{border-bottom:0}.tk-leaderboard-row>strong{width:36px;color:var(--tk-text-faint)}.tk-leaderboard-row>span{flex:1;min-width:0}.tk-leaderboard-row small{display:block;color:var(--tk-text-muted);font-size:10px;margin-top:3px}.tk-leaderboard-row>b{color:var(--tk-brand)}.tk-notification-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 0;border-bottom:1px solid var(--tk-border)}.tk-notification-row:last-child{border-bottom:0}.tk-notification-row p{margin:5px 0 0;color:var(--tk-text-muted);font-size:12px}.tk-notification-unread{padding-left:12px;border-left:2px solid var(--tk-brand)}.tk-notification-count{position:absolute;right:-4px;top:-4px;min-width:14px;height:14px;padding:0 3px;display:grid;place-items:center;border-radius:99px;background:var(--tk-danger);color:#fff;font:800 8px var(--tk-mono)}.tk-icon-btn{position:relative}.tk-podium-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}.tk-podium-card{padding:20px;text-align:center}.tk-podium-card span{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--tk-brand-soft);color:var(--tk-brand);font-weight:900}.tk-podium-card h3{margin:12px 0 6px}.tk-podium-card strong{display:block;font-size:22px}.tk-podium-card small{display:block;color:var(--tk-text-muted);margin-top:5px}.tk-auth-page{min-height:100vh;display:grid;place-items:center;padding:30px;background:radial-gradient(circle at 15% 10%,rgba(54,163,255,.12),transparent 30%),var(--tk-bg)}.tk-auth-shell{width:min(100%,500px)}.tk-auth-card{padding:30px;background:var(--tk-card);border:1px solid var(--tk-border);border-radius:18px;box-shadow:var(--tk-shadow-lg)}.tk-auth-card h1{font-size:30px;margin:8px 0}.tk-auth-card>p{color:var(--tk-text-muted);line-height:1.6}.tk-text-muted{color:var(--tk-text-muted)}
@media(max-width:900px){.tk-profile-grid,.tk-leaderboard-grid{grid-template-columns:1fr}.tk-podium-grid{grid-template-columns:1fr}.tk-rank-panel{align-items:stretch;flex-direction:column}.tk-form-grid{grid-template-columns:1fr}.tk-notification-row{align-items:flex-start;flex-direction:column}}


.tk-icon-choice-grid{display:grid;grid-template-columns:repeat(10,minmax(42px,1fr));gap:8px;margin:16px 0 22px}.tk-icon-choice input{position:absolute;opacity:0}.tk-icon-choice span{display:grid;place-items:center;height:48px;border:1px solid var(--tk-border);border-radius:12px;background:var(--tk-bg-soft);font-size:23px;cursor:pointer;transition:.18s}.tk-icon-choice input:checked+span{border-color:var(--tk-brand);box-shadow:0 0 0 2px color-mix(in srgb,var(--tk-brand) 22%,transparent);transform:translateY(-2px)}.tk-live-battle-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.tk-live-clock{font:900 28px var(--tk-mono);letter-spacing:.05em;padding:12px 18px;border-radius:14px;border:1px solid var(--tk-border);background:var(--tk-card);color:var(--tk-brand);min-width:145px;text-align:center}.tk-live-clock.tk-danger-clock{color:#ff4d5f;border-color:rgba(255,77,95,.55);animation:tkDangerPulse 1s infinite}.tk-live-scoreboard{display:grid;grid-template-columns:1fr 70px 1fr;align-items:center;gap:14px;margin-bottom:18px}.tk-live-team{display:flex;align-items:center;gap:14px;padding:20px;border:1px solid var(--tk-border);background:linear-gradient(135deg,var(--tk-card),var(--tk-bg-soft));border-radius:18px}.tk-live-team-icon{width:58px;height:58px;display:grid;place-items:center;border-radius:16px;background:var(--tk-brand-soft);font-size:30px}.tk-live-team span{font:700 10px var(--tk-mono);color:var(--tk-text-faint);letter-spacing:.12em}.tk-live-team h2{margin:5px 0 0}.tk-live-team strong{margin-left:auto;font:900 32px var(--tk-mono)}.tk-live-vs{text-align:center;font:900 13px var(--tk-mono);color:var(--tk-text-faint)}.tk-ready-zone{margin-bottom:18px}.tk-battle-challenge-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.tk-battle-challenge-card{padding:18px;border:1px solid var(--tk-border);border-radius:16px;background:var(--tk-card);transition:.2s}.tk-battle-challenge-card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--tk-brand) 50%,var(--tk-border))}.tk-battle-challenge-card.tk-battle-solved{opacity:.55;filter:saturate(.5)}.tk-battle-card-top,.tk-battle-card-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px}.tk-battle-challenge-card h3{margin:16px 0 8px;font-size:19px}.tk-battle-challenge-card p{color:var(--tk-text-muted);line-height:1.6;min-height:44px}.tk-battle-card-bottom form{display:flex;gap:7px;flex:1;justify-content:flex-end}.tk-battle-card-bottom input{max-width:220px}.tk-battle-toast{position:fixed;right:24px;bottom:24px;z-index:1000;min-width:320px;max-width:520px;padding:17px 20px;border:1px solid rgba(255,77,95,.6);border-radius:16px;background:rgba(20,6,10,.96);color:#fff;box-shadow:0 20px 70px rgba(0,0,0,.45);transform:translateY(30px);opacity:0;pointer-events:none;transition:.25s}.tk-battle-toast strong{display:block;color:#ff5365;font-size:17px}.tk-battle-toast span{display:block;margin-top:4px;font:800 11px var(--tk-mono);letter-spacing:.08em}.tk-battle-toast-show{transform:translateY(0);opacity:1}.tk-learning-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.tk-learning-card{padding:22px}.tk-learning-badge{width:58px;height:58px;display:grid;place-items:center;border-radius:16px;background:var(--tk-brand-soft);font-size:30px;margin-bottom:16px}.tk-learning-card h2{margin:8px 0}.tk-learning-card p{color:var(--tk-text-muted);line-height:1.6;min-height:68px}.tk-learning-meta{display:flex;justify-content:space-between;gap:8px;color:var(--tk-text-faint);font:700 10px var(--tk-mono);margin:15px 0 9px}.tk-learning-progress-head{display:grid;grid-template-columns:1fr 2fr;gap:20px;align-items:center;margin-bottom:18px}.tk-learning-questions{display:grid;gap:14px}.tk-learning-question{display:grid;grid-template-columns:62px 1fr;gap:18px;padding:22px}.tk-question-number{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;background:var(--tk-brand-soft);color:var(--tk-brand);font:900 13px var(--tk-mono)}.tk-question-main h2{font-size:20px;line-height:1.4;margin:7px 0 14px}.tk-learning-submit{margin-top:16px}.tk-learning-builder{border:1px solid var(--tk-border);border-radius:16px;padding:16px;background:var(--tk-bg-soft)}.tk-learning-builder-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.tk-learning-builder-list{display:grid;gap:12px}.tk-learning-builder-item{padding:14px;border:1px solid var(--tk-border);border-radius:14px;background:var(--tk-card)}
@keyframes tkDangerPulse{50%{box-shadow:0 0 0 6px rgba(255,77,95,.08)}}
@media(max-width:900px){.tk-icon-choice-grid{grid-template-columns:repeat(5,1fr)}.tk-battle-challenge-grid,.tk-live-scoreboard,.tk-learning-grid,.tk-learning-progress-head{grid-template-columns:1fr}.tk-live-vs{display:none}.tk-live-team strong{font-size:25px}.tk-live-battle-head{align-items:flex-start;flex-direction:column}.tk-battle-card-bottom{align-items:flex-start;flex-direction:column}.tk-battle-card-bottom form{width:100%;justify-content:stretch}.tk-battle-card-bottom input{max-width:none;flex:1}.tk-battle-toast{left:15px;right:15px;bottom:15px;min-width:0}}
.tk-badge-collection{display:flex;flex-wrap:wrap;gap:10px}.tk-earned-badge{display:flex;align-items:center;gap:10px;padding:10px 13px;border:1px solid var(--tk-border);border-radius:13px;background:var(--tk-bg-soft)}.tk-earned-badge>span{font-size:25px}.tk-earned-badge strong{display:block}.tk-earned-badge small{display:block;color:var(--tk-text-faint);font:600 9px var(--tk-mono);margin-top:2px}

.tk-pagination{display:flex;align-items:center;justify-content:center;gap:14px;margin:20px 0}.tk-pagination>span{font:700 10px var(--tk-mono);color:var(--tk-text-muted);letter-spacing:.08em}.tk-battle-size-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-bottom:18px}.tk-battle-size-card{padding:20px;display:flex;flex-direction:column;gap:7px;text-decoration:none}.tk-battle-size-card strong{font-size:30px;color:var(--tk-text)}.tk-battle-size-card small{color:var(--tk-text-muted)}.tk-battle-size-active{border-color:var(--tk-brand);box-shadow:0 0 0 1px color-mix(in srgb,var(--tk-brand) 30%,transparent)}.tk-team-ready-card{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px;border:1px solid var(--tk-border);border-radius:15px;background:var(--tk-bg-soft);margin-bottom:14px}.tk-team-ready-card h3{margin:5px 0}.tk-battle-queue{display:grid;gap:8px}.tk-battle-queue-row{display:flex;align-items:center;gap:13px;padding:13px;border-bottom:1px solid var(--tk-border)}.tk-battle-queue-row:last-child{border-bottom:0}.tk-queue-team-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--tk-brand-soft);font-size:21px}.tk-queue-team{flex:1;min-width:0}.tk-queue-team strong{display:block}.tk-queue-team span{display:block;margin-top:4px;color:var(--tk-text-muted);font:600 10px var(--tk-mono)}.tk-live-status-card{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.tk-live-events-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:18px;margin-top:18px}.tk-battle-events{display:grid;gap:7px;max-height:300px;overflow:auto}.tk-battle-event{display:flex;align-items:center;gap:11px;padding:11px;border:1px solid var(--tk-border);border-radius:12px;background:var(--tk-bg-soft)}.tk-battle-event-own{border-color:color-mix(in srgb,var(--tk-brand) 35%,var(--tk-border))}.tk-battle-event-icon{width:30px;height:30px;display:grid;place-items:center;border-radius:9px;background:var(--tk-brand-soft);color:var(--tk-brand);font-weight:900}.tk-battle-event strong{display:block;font-size:12px}.tk-battle-event small{display:block;color:var(--tk-text-muted);margin-top:3px}.tk-live-mini-score{display:grid;gap:10px}.tk-live-mini-score>div{display:flex;align-items:center;justify-content:space-between;padding:13px;border:1px solid var(--tk-border);border-radius:12px;background:var(--tk-bg-soft)}.tk-live-mini-score span{color:var(--tk-text-muted)}.tk-live-mini-score strong{font:900 22px var(--tk-mono);color:var(--tk-brand)}.tk-battle-recent-list{display:grid;gap:2px}.tk-battle-recent-row{display:flex;align-items:center;gap:13px;padding:14px 0;border-bottom:1px solid var(--tk-border)}.tk-battle-recent-row:last-child{border-bottom:0}.tk-battle-recent-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:var(--tk-brand-soft);color:var(--tk-brand);font-size:20px}.tk-battle-recent-row>div{flex:1}.tk-battle-recent-row strong{display:block}.tk-battle-recent-row small{display:block;margin-top:4px;color:var(--tk-text-muted);font:600 9px var(--tk-mono)}.tk-battle-recent-row>b{font:900 15px var(--tk-mono)}.tk-global-battle-toast{position:fixed;right:24px;top:82px;z-index:1200;width:min(440px,calc(100vw - 30px));padding:16px 18px;border:1px solid color-mix(in srgb,var(--tk-brand) 55%,var(--tk-border));border-radius:15px;background:color-mix(in srgb,var(--tk-card) 94%,transparent);box-shadow:0 20px 70px rgba(0,0,0,.4);opacity:0;transform:translateY(-12px);pointer-events:none;transition:.25s}.tk-global-battle-toast strong{display:block;color:var(--tk-brand)}.tk-global-battle-toast span{display:block;margin-top:4px;color:var(--tk-text-muted);font-size:12px}.tk-global-battle-toast-show{opacity:1;transform:translateY(0)}
@media(max-width:900px){.tk-battle-size-grid,.tk-live-events-grid{grid-template-columns:1fr}.tk-team-ready-card,.tk-live-status-card{align-items:flex-start;flex-direction:column}.tk-battle-queue-row{align-items:flex-start;flex-wrap:wrap}.tk-battle-queue-row form{margin-left:55px}.tk-global-battle-toast{right:15px;top:72px}}
.tk-battle-description{white-space:normal;min-height:0;margin:12px 0 14px;line-height:1.7}.tk-battle-files{display:grid;gap:8px;margin:0 0 16px}.tk-battle-file{display:grid;grid-template-columns:28px 1fr auto;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--tk-border);border-radius:11px;background:var(--tk-bg-soft);color:var(--tk-text);text-decoration:none}.tk-battle-file:hover{border-color:var(--tk-brand);color:var(--tk-brand)}.tk-battle-file>span:first-child{width:26px;height:26px;display:grid;place-items:center;border-radius:8px;background:var(--tk-brand-soft);color:var(--tk-brand);font-weight:900}.tk-battle-file small{color:var(--tk-text-faint);font:700 9px var(--tk-mono)}.tk-battle-challenge-card.tk-battle-solved{display:none}.tk-battle-challenge-card{min-height:250px}.tk-battle-card-bottom form{align-items:center}.tk-battle-card-bottom input{min-width:180px}


.tk-penta-scoreboard{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:18px 0}.tk-penta-player{display:grid;grid-template-columns:auto auto 1fr auto;align-items:center;gap:8px;padding:14px 12px;border:1px solid var(--tk-border,#1f3048);border-radius:14px;background:rgba(14,27,45,.9);transition:.2s}.tk-penta-player.is-me{box-shadow:0 0 0 1px rgba(53,163,255,.45)}.tk-penta-rank{font-size:12px;font-weight:800;opacity:.65}.tk-penta-medal{font-size:18px}.tk-penta-name{font-weight:800;overflow:hidden;text-overflow:ellipsis}.tk-penta-score{font-size:20px}.tk-penta-mini-list{display:grid;gap:8px;width:100%}.tk-penta-mini-list>div{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.06)}.tk-penta-mini-list>div:last-child{border-bottom:0}@media(max-width:1050px){.tk-penta-scoreboard{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:650px){.tk-penta-scoreboard{grid-template-columns:1fr}}

/* Battle Arena rules */
.tk-battle-rules-hero{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px;margin-bottom:18px;background:radial-gradient(circle at 90% 20%,rgba(54,163,255,.14),transparent 38%),var(--tk-card);border:1px solid var(--tk-border);border-radius:14px}.tk-battle-rules-hero h2{margin:7px 0;font-size:28px}.tk-battle-rules-hero p{max-width:760px;color:var(--tk-text-muted);margin:0}.tk-battle-rules-badge{min-width:94px;height:94px;border-radius:18px;display:grid;place-items:center;text-align:center;background:var(--tk-brand-soft);color:var(--tk-brand);font-weight:900;font-size:22px;line-height:1.05;border:1px solid rgba(54,163,255,.2)}.tk-battle-rules-badge small{font-size:8px;letter-spacing:.15em}.tk-rules-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.tk-rule-card{position:relative;overflow:hidden}.tk-rule-number{position:absolute;right:18px;top:16px;font:800 28px var(--tk-mono);color:rgba(54,163,255,.22)}.tk-rule-card h2{margin:7px 0 8px}.tk-rule-card p{color:var(--tk-text-muted);margin:0 0 14px}.tk-rule-card ul,.tk-fair-play ul{margin:0;padding-left:18px;color:var(--tk-text-soft)}.tk-rule-card li,.tk-fair-play li{margin:7px 0}.tk-fair-play{margin-top:16px}.tk-rules-columns{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:12px}.tk-rules-columns strong{display:block;margin-bottom:7px;color:var(--tk-brand)}
@media(max-width:800px){.tk-rules-grid,.tk-rules-columns{grid-template-columns:1fr}.tk-battle-rules-hero{align-items:flex-start}.tk-battle-rules-badge{min-width:78px;height:78px}}


/* Learning per-question progress + completion celebration */
.tk-learning-show-page .tk-page-header{margin-bottom:18px}
.tk-learning-progress-label{margin-top:8px;text-align:right;color:var(--tk-text-muted);font:700 10px var(--tk-mono);letter-spacing:.06em}
.tk-learning-question{align-items:start}
.tk-question-topline{display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:0}
.tk-learning-solved-badge{display:inline-flex;align-items:center;gap:5px;padding:6px 9px;border-radius:999px;background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.3);color:#22c55e;font:900 9px var(--tk-mono);white-space:nowrap}
.tk-learning-question-solved{opacity:.62;transition:opacity .2s,transform .2s}
.tk-learning-question-solved:hover{opacity:.78}
.tk-learning-question-solved .tk-question-number{opacity:.7}
.tk-learning-file-btn{margin-bottom:12px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tk-learning-answer-form{display:flex;align-items:end;gap:10px;margin-top:12px}
.tk-learning-answer-form .tk-form-group{flex:1;margin:0;min-width:0}
.tk-learning-answer-form input{width:100%}
.tk-learning-feedback{margin:10px 0;padding:11px 13px;border-radius:11px;font-size:12px;line-height:1.5}
.tk-learning-feedback-correct{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.28);color:#4ade80}
.tk-learning-feedback-wrong{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.28);color:#f87171}
.tk-learning-solved-box{display:flex;align-items:center;gap:12px;margin-top:12px;padding:13px;border:1px solid rgba(34,197,94,.24);border-radius:12px;background:rgba(34,197,94,.06)}
.tk-learning-solved-icon{width:34px;height:34px;display:grid;place-items:center;flex:0 0 34px;border-radius:10px;background:rgba(34,197,94,.15);color:#4ade80;font-weight:900}
.tk-learning-solved-box strong,.tk-learning-solved-box span{display:block}
.tk-learning-solved-box span{margin-top:3px;color:var(--tk-text-muted);font-size:11px;line-height:1.5}
.tk-learning-complete,.tk-lab-complete{position:relative;overflow:hidden;margin-top:20px;padding:34px;text-align:center;border:1px solid color-mix(in srgb,var(--tk-brand) 45%,var(--tk-border));background:radial-gradient(circle at 50% 0,rgba(54,163,255,.18),transparent 48%),var(--tk-card);box-shadow:var(--tk-shadow-lg)}
.tk-learning-complete-icon,.tk-lab-complete-icon{font-size:52px;line-height:1;margin-bottom:10px}
.tk-learning-complete h2,.tk-lab-complete h2{font-size:30px;margin:8px 0}
.tk-learning-complete p,.tk-lab-complete p{color:var(--tk-text-muted);line-height:1.6;margin:0 auto 15px;max-width:650px}
.tk-learning-complete-badge,.tk-lab-complete-stat{display:inline-flex;align-items:center;justify-content:center;padding:10px 15px;border-radius:999px;background:var(--tk-brand-soft);border:1px solid color-mix(in srgb,var(--tk-brand) 30%,transparent);color:var(--tk-brand);font:900 10px var(--tk-mono);letter-spacing:.06em}
.tk-lab-complete-stat{margin-top:3px}
.tk-confetti-canvas{position:fixed;inset:0;width:100vw;height:100vh;z-index:2000;pointer-events:none}
.tk-complete-pop{animation:tkCompletePop .65s ease both}
@keyframes tkCompletePop{0%{transform:scale(.96);opacity:.5}60%{transform:scale(1.02);opacity:1}100%{transform:scale(1);opacity:1}}
.tk-global-toast-success{border-color:rgba(34,197,94,.55)!important}
.tk-global-toast-success strong{color:#4ade80!important}
.tk-global-toast-error{border-color:rgba(239,68,68,.55)!important}
.tk-global-toast-error strong{color:#f87171!important}

/* Battle rules: stable cards on phones, tablets and narrow desktop windows */
.tk-battle-rules-hero{min-width:0}
.tk-battle-rules-hero>div:first-child{min-width:0}
.tk-rule-card{min-width:0;padding:24px}
.tk-rule-card p,.tk-rule-card li,.tk-fair-play li{overflow-wrap:anywhere}
.tk-rules-columns>div{min-width:0}

@media(max-width:700px){
    .tk-learning-question{grid-template-columns:1fr;gap:12px;padding:17px}
    .tk-question-number{width:40px;height:40px}
    .tk-question-main h2{font-size:18px}
    .tk-question-topline{align-items:flex-start;flex-direction:column;gap:7px}
    .tk-learning-solved-badge{align-self:flex-start}
    .tk-learning-answer-form{align-items:stretch;flex-direction:column}
    .tk-learning-answer-form .tk-btn{width:100%}
    .tk-learning-progress-label{text-align:left}
    .tk-learning-complete,.tk-lab-complete{padding:26px 18px}
    .tk-learning-complete h2,.tk-lab-complete h2{font-size:25px}
    .tk-battle-rules-hero{align-items:stretch;flex-direction:column;padding:20px}
    .tk-battle-rules-hero h2{font-size:24px}
    .tk-battle-rules-badge{width:100%;min-width:0;height:auto;min-height:68px;padding:12px}
    .tk-rules-grid{grid-template-columns:1fr}
    .tk-rule-card{padding:20px}
    .tk-rule-number{right:14px;top:12px;font-size:22px}
    .tk-rules-columns{grid-template-columns:1fr;gap:16px}
}

@media(max-width:420px){
    .tk-learning-question{padding:14px}
    .tk-learning-file-btn{width:100%;font-size:11px}
    .tk-learning-complete-badge,.tk-lab-complete-stat{max-width:100%;white-space:normal;text-align:center;border-radius:14px}
    .tk-rule-card ul,.tk-fair-play ul{padding-left:17px}
    .tk-rule-card li,.tk-fair-play li{font-size:13px;line-height:1.5}
}
.tk-topbar-vip{display:inline-flex;align-items:center;gap:7px;padding:9px 12px;border:1px solid color-mix(in srgb,var(--tk-brand) 45%,var(--tk-border));border-radius:11px;background:var(--tk-brand-soft);color:var(--tk-text);text-decoration:none;font:800 11px var(--tk-mono);letter-spacing:.04em;transition:.18s}.tk-topbar-vip:hover{transform:translateY(-1px);border-color:var(--tk-brand)}.tk-event-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.tk-event-card{display:block;padding:0;overflow:hidden;text-decoration:none;color:inherit;transition:.2s}.tk-event-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--tk-brand) 45%,var(--tk-border))}.tk-event-card-top{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:16px 18px 0}.tk-event-type{font:900 10px var(--tk-mono);letter-spacing:.08em}.tk-event-type.ctf{color:var(--tk-brand)}.tk-event-image{display:block;width:100%;height:180px;object-fit:cover;margin-top:14px}.tk-event-card h2,.tk-event-card p,.tk-event-meta{margin-left:18px;margin-right:18px}.tk-event-card h2{margin-top:18px;margin-bottom:8px}.tk-event-card p{color:var(--tk-text-muted);line-height:1.55;min-height:48px}.tk-event-meta{display:flex;align-items:center;gap:8px;padding:14px 0 20px;color:var(--tk-text-faint);font:700 10px var(--tk-mono);flex-wrap:wrap}.tk-events-archive{margin-top:18px}.tk-event-archive-list{display:grid;gap:2px}.tk-event-archive-row,.tk-event-admin-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 0;border-bottom:1px solid var(--tk-border)}.tk-event-archive-row:last-child,.tk-event-admin-row:last-child{border-bottom:0}.tk-event-archive-row p,.tk-event-admin-row p{margin:5px 0 0;color:var(--tk-text-muted);font-size:12px}.tk-event-hero{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px;margin-bottom:18px}.tk-event-window{display:flex;align-items:center;gap:16px;margin-top:8px;font:800 13px var(--tk-mono);flex-wrap:wrap}.tk-event-hero-image{width:320px;height:180px;object-fit:cover;border-radius:14px;border:1px solid var(--tk-border)}.tk-event-challenge-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:14px}.tk-event-challenge{padding:18px;border:1px solid var(--tk-border);border-radius:15px;background:var(--tk-bg-soft)}.tk-event-challenge-top,.tk-event-challenge-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px}.tk-event-challenge h3{margin:14px 0 8px}.tk-event-challenge p{color:var(--tk-text-muted);line-height:1.55;min-height:44px}.tk-event-challenge-bottom{margin-top:14px}.tk-event-mini-board,.tk-event-full-board{display:grid;gap:8px;margin-top:14px}.tk-event-board-row{display:flex;align-items:center;gap:14px;padding:13px 15px;border:1px solid var(--tk-border);border-radius:12px;background:var(--tk-bg-soft)}.tk-event-board-row>span,.tk-event-rank{min-width:34px;text-align:center;font-weight:900}.tk-event-board-row strong{flex:1}.tk-event-board-row b{font:900 15px var(--tk-mono);color:var(--tk-brand)}.tk-event-board-row small{display:block;margin-top:3px;color:var(--tk-text-muted);font-size:11px}.tk-event-admin-builder{margin-top:14px;border:1px solid var(--tk-border);border-radius:15px;padding:15px;background:var(--tk-bg-soft)}.tk-event-challenge-builder-item{padding:15px;border:1px solid var(--tk-border);border-radius:14px;background:var(--tk-card)}.tk-event-builder-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.tk-event-admin-list{display:grid}.tk-event-reactivate-form{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.tk-instance-capacity{margin:16px 0;padding:14px;border:1px solid var(--tk-border);border-radius:13px;background:var(--tk-bg-soft)}.tk-instance-capacity-head{display:flex;align-items:center;justify-content:space-between;gap:10px;font:800 10px var(--tk-mono);letter-spacing:.07em}.tk-instance-capacity-head strong{color:var(--tk-brand)}.tk-instance-capacity-bar{height:7px;margin:10px 0;border-radius:999px;background:var(--tk-border);overflow:hidden}.tk-instance-capacity-bar span{display:block;height:100%;width:0;background:var(--tk-brand);border-radius:inherit;transition:width .35s}.tk-instance-capacity small{color:var(--tk-text-muted)}.tk-login-support{margin-top:20px;padding-top:18px;border-top:1px solid var(--tk-border)}.tk-login-support-title{margin:5px 0 11px;font-weight:800}.tk-login-support-actions{display:grid;gap:8px}.tk-support-btn{display:flex;align-items:center;justify-content:center;min-height:40px;padding:9px 12px;border:1px solid var(--tk-border);border-radius:10px;background:var(--tk-bg-soft);color:var(--tk-text);text-decoration:none;font:800 11px var(--tk-mono);transition:.18s}.tk-support-btn:hover{border-color:var(--tk-brand);transform:translateY(-1px)}.tk-support-discord{background:var(--tk-brand-soft)}
@media(max-width:1000px){.tk-event-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tk-event-challenge-grid{grid-template-columns:1fr}}
@media(max-width:700px){.tk-topbar-vip strong{display:none}.tk-topbar-vip{padding:9px}.tk-event-grid{grid-template-columns:1fr}.tk-event-hero{align-items:flex-start;flex-direction:column}.tk-event-hero-image{width:100%;height:200px}.tk-event-archive-row,.tk-event-admin-row{align-items:flex-start;flex-direction:column}.tk-event-reactivate-form{width:100%}.tk-event-reactivate-form input{min-width:0;flex:1}.tk-event-window{align-items:flex-start;flex-direction:column;gap:6px}.tk-event-card p{min-height:auto}}

.tk-event-type-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:18px 0}
.tk-event-type-card{display:flex;align-items:flex-start;gap:12px;padding:18px;border:1px solid var(--tk-border,#253044);border-radius:16px;background:rgba(255,255,255,.02);cursor:pointer;transition:.2s}
.tk-event-type-card:has(input:checked){border-color:rgba(90,150,255,.7);box-shadow:0 0 0 1px rgba(90,150,255,.25) inset}
.tk-event-type-card input{margin-top:4px}
.tk-event-type-card span{display:flex;flex-direction:column;gap:5px}.tk-event-type-card small{color:var(--tk-muted,#8792a8)}
.tk-event-state-card{display:flex;align-items:center;gap:18px;margin-top:18px}.tk-event-state-icon{font-size:38px;min-width:52px;text-align:center}
.tk-post-event-content{min-height:180px}.tk-event-hero{display:grid;grid-template-columns:1fr minmax(240px,420px);gap:24px;align-items:center;margin-top:18px}
.tk-event-hero-image{width:100%;max-height:340px;object-fit:cover;border-radius:18px;border:1px solid var(--tk-border,#253044)}
.tk-machine-flag-builder{margin-top:18px}.tk-machine-flag-row{padding:16px;margin-top:12px;border:1px solid var(--tk-border,#253044);border-radius:14px;background:rgba(255,255,255,.015)}
.tk-machine-admin-list{display:grid;gap:10px;margin-top:18px}.tk-machine-admin-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px;border:1px solid var(--tk-border,#253044);border-radius:14px}
.tk-ad-format-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.tk-ad-solo-card{display:flex;flex-direction:column;gap:8px}.tk-ad-solo-card form{margin-top:auto}.tk-ad-machine-preview{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:18px}.tk-ad-machine-icon{font-size:54px}.tk-ad-rules-mini{margin-top:18px}.tk-ad-empty{display:flex;align-items:center;gap:18px;margin-top:18px}
.tk-ad-machine-card{padding:20px;border:1px solid rgba(80,150,255,.35);border-radius:20px;background:linear-gradient(145deg,rgba(30,60,100,.18),rgba(255,255,255,.02));width:100%}
.tk-ad-machine-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding-bottom:18px;border-bottom:1px solid var(--tk-border,#253044)}.tk-ad-machine-head h3{font-size:26px;margin:10px 0 6px}.tk-ad-machine-head p{margin:0;color:var(--tk-muted,#8792a8)}
.tk-ad-flag-grid{display:grid;gap:10px;margin-top:16px}.tk-ad-flag-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px;border:1px solid var(--tk-border,#253044);border-radius:14px;background:rgba(0,0,0,.12)}.tk-ad-flag-row>div{display:flex;flex-direction:column;gap:5px}.tk-ad-flag-row small{color:var(--tk-muted,#8792a8)}.tk-ad-flag-row form{display:flex;gap:8px;min-width:min(520px,55%)}.tk-ad-flag-row input{flex:1}.tk-ad-flag-row.is-pwned{opacity:.72;border-color:rgba(65,190,120,.35)}
.tk-lion-board{border:1px solid rgba(255,180,60,.25)}
@media(max-width:900px){.tk-event-type-grid,.tk-event-hero,.tk-ad-format-grid{grid-template-columns:1fr}.tk-ad-machine-head,.tk-ad-flag-row{flex-direction:column;align-items:stretch}.tk-ad-flag-row form{min-width:0}.tk-machine-admin-row{align-items:flex-start;flex-direction:column}}
@media(max-width:600px){.tk-event-hero{padding:14px}.tk-event-window{flex-direction:column;align-items:flex-start;gap:5px}.tk-ad-machine-head h3{font-size:21px}.tk-ad-flag-row form{flex-direction:column}.tk-ad-flag-row .tk-btn{width:100%}.tk-event-type-card{padding:14px}.tk-machine-flag-row{padding:12px}}

.tk-event-schedule-grid{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr) minmax(0,1fr)}
.tk-event-admin-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}.tk-event-reactivate-form{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.tk-event-reactivate-form label{font:800 9px var(--tk-mono);color:var(--tk-text-faint);text-transform:uppercase}.tk-event-reactivate-form input{min-height:38px}
.tk-ad-format-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.tk-ad-machine-preview{display:flex;align-items:center;justify-content:space-between;gap:20px}.tk-ad-machine-icon{width:70px;height:70px;display:grid;place-items:center;border:1px solid var(--tk-border);border-radius:16px;background:var(--tk-brand-soft);font-size:28px}.tk-ad-empty{display:flex;align-items:center;gap:18px}.tk-lion-board{overflow:hidden}.tk-lion-board .tk-leaderboard-row b{color:var(--tk-brand)}
@media(max-width:900px){.tk-event-schedule-grid,.tk-ad-format-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tk-event-admin-actions{width:100%;justify-content:flex-start}.tk-ad-machine-preview,.tk-ad-empty{align-items:flex-start;flex-direction:column}}
@media(max-width:600px){.tk-event-schedule-grid,.tk-ad-format-grid{grid-template-columns:1fr}.tk-event-reactivate-form{width:100%}.tk-event-reactivate-form input{width:100%;min-width:0}.tk-event-reactivate-form .tk-btn{width:100%}.tk-ad-format-grid .tk-battle-size-card{min-height:160px}.tk-ad-machine-icon{width:56px;height:56px;font-size:23px}}
.tk-battle-rank-filters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) auto;gap:10px;align-items:end;margin:16px 0}.tk-battle-rank-filters .tk-form-actions{margin:0}.tk-ad-live-leader{display:flex;align-items:center;gap:14px;margin:0 0 18px;padding:14px 18px;border:1px solid rgba(255,193,7,.25);border-radius:15px;background:linear-gradient(135deg,rgba(255,193,7,.08),var(--tk-card))}.tk-ad-leader-icon{width:58px;height:58px;display:grid;place-items:center;border-radius:15px;background:rgba(255,193,7,.1);font-size:31px}.tk-ad-live-leader strong{display:block;font-size:18px}.tk-ad-live-leader small{display:block;color:var(--tk-text-muted);margin-top:4px}.tk-instance-custom-flags{margin-top:14px}.tk-instance-custom-flag-row{padding:12px;margin-top:9px;border:1px solid var(--tk-border);border-radius:12px;background:var(--tk-bg-soft)}.tk-instance-custom-flag-row>.tk-btn{margin-top:8px}.tk-event-filter-form{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:10px;align-items:end;margin:14px 0}.tk-event-filter-form .tk-form-actions{margin:0}.tk-event-admin-actions form{margin:0}@media(max-width:900px){.tk-battle-rank-filters,.tk-event-filter-form{grid-template-columns:1fr}.tk-battle-rank-filters .tk-form-actions,.tk-event-filter-form .tk-form-actions{width:100%}}

/* V13 Learning Studio */
.tk-learning-builder-item-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--tk-border);font:900 11px var(--tk-mono);letter-spacing:.06em;color:var(--tk-brand)}
.tk-learning-builder-item-head small{font:700 9px var(--tk-mono);color:var(--tk-text-faint);letter-spacing:0;text-transform:none}
.tk-learning-explanation,.tk-learning-question-box,.tk-learning-file-box,.tk-learning-answer-box{margin-top:14px;padding:16px;border:1px solid var(--tk-border);border-radius:15px;background:var(--tk-bg-soft)}
.tk-learning-box-label{font:900 9px var(--tk-mono);letter-spacing:.1em;color:var(--tk-text-faint);margin-bottom:8px}
.tk-learning-explanation p{margin:0;color:var(--tk-text-muted);line-height:1.7}
.tk-learning-question-box h2{margin:0;font-size:20px;line-height:1.55}
.tk-learning-file-box{overflow:hidden}
.tk-learning-image-trigger{position:relative;display:block;width:100%;max-width:720px;margin:0 auto;border:0;padding:0;background:transparent;cursor:zoom-in}
.tk-learning-image-trigger img{display:block;width:100%;max-height:420px;object-fit:contain;border-radius:12px;background:var(--tk-bg);border:1px solid var(--tk-border)}
.tk-learning-image-trigger span{display:block;margin-top:7px;color:var(--tk-text-faint);font:700 9px var(--tk-mono);text-align:center}
.tk-learning-file-actions{display:flex;justify-content:center;margin-top:12px}
.tk-learning-file-download{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.tk-learning-file-download>span{padding:7px 9px;border-radius:8px;background:var(--tk-brand-soft);color:var(--tk-brand);font:900 9px var(--tk-mono)}
.tk-learning-file-download strong{flex:1;min-width:160px;overflow:hidden;text-overflow:ellipsis}
.tk-learning-answer-box textarea{font-family:var(--tk-mono);min-height:74px;resize:vertical}
.tk-learning-answer-box .tk-text-muted{display:block;margin-top:8px;font:700 9px var(--tk-mono)}
.tk-learning-image-modal{position:fixed;inset:0;z-index:9999;display:grid;place-items:center;padding:24px}
.tk-learning-image-modal[hidden]{display:none}
.tk-learning-image-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.82);cursor:zoom-out}
.tk-learning-image-dialog{position:relative;z-index:1;width:min(1100px,96vw);max-height:92vh;padding:18px;border:1px solid var(--tk-border);border-radius:18px;background:var(--tk-card);box-shadow:0 25px 80px rgba(0,0,0,.5)}
.tk-learning-image-dialog img{display:block;width:100%;max-height:78vh;object-fit:contain;border-radius:10px}
.tk-learning-image-title{padding:0 42px 12px 4px;color:var(--tk-text-muted);font:800 10px var(--tk-mono);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tk-learning-image-close{position:absolute;right:10px;top:8px;width:34px;height:34px;border:1px solid var(--tk-border);border-radius:10px;background:var(--tk-bg-soft);color:var(--tk-text);font-size:22px;cursor:pointer}
.tk-modal-open{overflow:hidden}
@media(max-width:700px){.tk-learning-answer-form{display:grid;align-items:stretch}.tk-learning-image-modal{padding:10px}.tk-learning-image-dialog{padding:12px}.tk-learning-file-download{align-items:stretch;flex-direction:column}.tk-learning-file-download .tk-btn{width:100%;text-align:center}}