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.25s}.card:hover{border-color:var(--border-strong);box-shadow:var(--shadow);transform:translateY(-2px)}.card-clickable{cursor:pointer}.theme-list{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;display:grid}.theme-item{flex-direction:column;align-items:flex-start;gap:10px;display:flex}.theme-item>:last-child{margin-top:auto}.theme-item-left{align-items:start;gap:12px;width:100%;display:flex}.theme-number{border-radius:var(--radius-sm);background:var(--accent-light);min-width:36px;height:36px;color:var(--accent);flex-shrink:0;justify-content:center;align-items:center;font-size:13px;font-weight:700;display:flex}.theme-name{color:var(--text-primary);font-size:15px;font-weight:500}.theme-count{color:var(--text-muted);white-space:nowrap;font-size:13px}.ticket-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;display:grid}.ticket-card{text-align:center;flex-direction:column;align-items:center;gap:12px;padding:24px 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var(--border);border-radius:var(--radius-lg);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px;padding:16px 24px;display:flex}.session-stat{align-items:center;gap:8px;font-size:15px;font-weight:600;display:flex}.session-stat .count-correct{color:var(--success)}.session-stat .count-incorrect{color:var(--error)}.timer{font-variant-numeric:tabular-nums;color:var(--text-primary);align-items:center;gap:8px;font-size:20px;font-weight:700;display:flex}.timer.warning{color:var(--warning);animation:1s ease-in-out infinite pulse}.timer.danger{color:var(--error);animation:.5s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.question-nav{flex-wrap:wrap;justify-content:center;gap:6px;margin-bottom:24px;display:flex}.question-dot{border-radius:var(--radius-sm);border:2px solid 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var(--accent-hover));color:#fff;border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;width:100%;padding:14px 18px;font-size:15px;font-weight:700;transition:all .2s;display:inline-flex;box-shadow:0 4px 16px #2d4ff740}.exam-start-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 22px #2d4ff759}.exam-start-btn:disabled{opacity:.6;cursor:not-allowed}.exam-rules{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;margin-top:32px;display:grid}.exam-rule{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);align-items:flex-start;gap:12px;padding:16px;display:flex}.exam-rule-icon{border-radius:var(--radius-sm);background:var(--accent-light);width:36px;height:36px;color:var(--accent);flex-shrink:0;justify-content:center;align-items:center;display:flex}.exam-rule-text h4{color:var(--text-primary);margin:0 0 4px;font-size:14px;font-weight:600}.exam-rule-text 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#3b82f64d}.search-options{flex-direction:column;gap:8px;display:flex}.search-option{border-radius:var(--radius-md);background:var(--bg-input);text-align:left;width:100%;font:inherit;color:inherit;cursor:pointer;border:none;align-items:center;gap:12px;padding:11px 13px;transition:all 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.25s;display:flex}.login-promo:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-2px)}.login-promo-logo{border-radius:var(--radius-sm);width:44px;height:44px;display:block}.login-promo-title{color:var(--text-primary);letter-spacing:-.2px;margin:0;font-size:20px;font-weight:700;line-height:1.3}.login-promo-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.login-promo-list li{color:var(--text-secondary);padding-left:22px;font-size:14px;line-height:1.45;position:relative}.login-promo-list li:before{content:"✓";color:var(--accent);font-weight:700;position:absolute;top:0;left:0}.login-promo-cta{flex-direction:column;gap:2px;margin-top:4px;display:flex}.login-promo-domain{color:var(--accent);font-size:16px;font-weight:800}.login-promo-hint{color:var(--text-muted);font-size:12px}@media (width<=900px){.login-split{flex-direction:column;align-items:center}.login-promo{width:100%}}.login-brand{letter-spacing:-.5px;font-size:30px;font-weight:800}.login-hint{color:var(--text-secondary);max-width:32rem;font-size:14px}.login-error{color:var(--error);background:var(--error-light);border:1px solid var(--error);border-radius:var(--radius-md);padding:14px 20px;font-size:14px;font-weight:500}.login-input{border:2px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-card);width:min(22rem,90vw);color:var(--text-primary);font-family:var(--mono);letter-spacing:.12em;text-align:center;outline:none;padding:16px;font-size:22px;transition:all .25s}.login-input:focus{border-color:var(--accent);box-shadow:var(--shadow-glow)}.lang-pills{gap:8px;display:flex}.lang-pill{border-radius:var(--radius-full);background:var(--bg-card);border:1.5px solid var(--border);color:var(--text-secondary);cursor:pointer;padding:8px 16px;font-size:13px;font-weight:600;transition:all .2s}.lang-pill:hover{border-color:var(--accent);color:var(--text-primary)}.lang-pill.active{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 2px 8px #3b82f64d}.login .lang-pills{margin-bottom:8px}.site-footer{justify-content:center;margin-top:auto;padding:28px 0 4px;display:flex}.site-footer-link{border-radius:var(--radius-full);color:var(--text-muted);align-items:center;gap:8px;padding:8px 14px;font-size:12px;text-decoration:none;transition:all .2s;display:inline-flex}.site-footer-link:hover{background:var(--bg-card);color:var(--text-primary)}.site-footer-logo{border-radius:4px;width:16px;height:16px;display:block}.site-footer-domain{color:var(--text-secondary);font-weight:700}.site-footer-link:hover .site-footer-domain{color:var(--accent)}.by-yodla{color:var(--text-muted);flex-direction:column;gap:2px;padding:10px 8px 2px;text-decoration:none;transition:color .2s;display:flex}.by-yodla:hover{color:var(--accent)}.by-yodla-label{letter-spacing:.02em;font-size:11px}.by-yodla-domain{color:var(--text-secondary);align-items:center;gap:4px;font-size:12px;font-weight:600;display:flex}.by-yodla:hover .by-yodla-domain{color:var(--accent)}.login .by-yodla{align-items:center;margin-top:24px}.yodla-cta{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);text-align:left;align-items:center;gap:14px;max-width:500px;margin:8px auto 0;padding:16px 18px;text-decoration:none;transition:all .2s;display:flex}.yodla-cta:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-1px)}.yodla-cta-mark{border-radius:var(--radius-sm);background:var(--accent);color:#fff;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:20px;font-weight:700;display:flex}.yodla-cta-text{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.yodla-cta-title{color:var(--text-primary);font-size:14px;font-weight:600}.yodla-cta-desc{color:var(--text-secondary);font-size:12px;line-height:1.4}.yodla-cta-domain{color:var(--accent);flex-shrink:0;align-items:center;gap:4px;font-size:12px;font-weight:700;display:flex}.zoom-overlay{z-index:9999;background:#000000e6;justify-content:center;align-items:center;padding:40px;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.zoom-image{object-fit:contain;border-radius:var(--radius-md);cursor:zoom-out;max-width:100%;max-height:100%;box-shadow:0 20px 60px #00000080}.zoom-close{color:#fff;cursor:pointer;z-index:10000;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff26;border:1px solid #fff3;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;transition:all .2s;display:flex;position:fixed;top:20px;right:20px}.zoom-close:hover{background:#ffffff40;transform:scale(1.05)}.question-image-wrap:hover{border-color:var(--accent)}.question-image-wrap:hover .question-image{transform:scale(1.02)}.question-image{transition:transform .18s}.modal-backdrop{z-index:50;background:#03060eb8;justify-content:center;align-items:center;padding:24px;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--bg-card);border:1px solid var(--border-strong);border-radius:var(--radius-xl);box-shadow:var(--shadow);text-align:center;max-width:30rem;padding:28px}.modal p{color:var(--text-primary);margin:0 0 20px;font-size:16px;line-height:1.6}.solve-exhausted{color:var(--text-secondary);text-align:center;margin-top:16px;font-size:14px}.solve-keys{color:var(--text-muted);align-items:center;gap:4px;font-size:12px;display:flex}.solve-keys kbd{font-family:var(--mono);border:1px solid var(--border-strong);background:var(--bg-input);color:var(--text-secondary);border-radius:4px;padding:2px 5px;font-size:11px}@media (width<=1100px){.question-body{grid-template-columns:1fr}.question-image-wrap{height:clamp(200px,32vh,320px)}}@media (width<=900px){.theme-question-header{grid-template-columns:1fr auto;grid-template-areas:"left right""title title";row-gap:12px}.theme-question-header-left{grid-area:left}.theme-question-header-right{grid-area:right}.theme-question-title{text-align:left;grid-area:title}}@media (width<=820px){.sidebar{width:200px}.app-main{padding:20px 16px}}