*,:before,:after{box-sizing:border-box}:root{--bg:#f1f5f9;--surface:#fff;--surface-raised:#f8fafc;--border:#e2e8f0;--text:#334155;--text-muted:#64748b;--heading:#0f172a;--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#eff6ff;--danger:#dc2626;--danger-light:#fef2f2;--success:#16a34a;--success-light:#f0fdf4;--warning:#d97706;--radius:8px;--shadow:0 1px 3px #00000014, 0 1px 2px #0000000a;--shadow-md:0 4px 6px #00000012, 0 2px 4px #0000000a;--heatmap-empty:#ebedf0;--cat-announcement:#2563eb;--cat-announcement-bg:#eff6ff;--cat-technique:#059669;--cat-technique-bg:#ecfdf5;--cat-editorial:#7c3aed;--cat-editorial-bg:#f5f3ff;--cat-general:#64748b;--cat-general-bg:#f1f5f9}[data-theme=dark]{--bg:#0f172a;--surface:#1e293b;--surface-raised:#263348;--border:#334155;--text:#cbd5e1;--text-muted:#64748b;--heading:#f1f5f9;--primary:#3b82f6;--primary-hover:#2563eb;--primary-light:#1e3a5f;--danger:#f87171;--danger-light:#2d1515;--success:#4ade80;--success-light:#14261e;--warning:#fbbf24;--shadow:0 1px 3px #0000004d, 0 1px 2px #0003;--shadow-md:0 4px 6px #0000004d, 0 2px 4px #0003;--heatmap-empty:#2d3748;--cat-announcement:#60a5fa;--cat-announcement-bg:#172554;--cat-technique:#34d399;--cat-technique-bg:#052e2b;--cat-editorial:#a78bfa;--cat-editorial-bg:#2e1065;--cat-general:#94a3b8;--cat-general-bg:#1e293b}body{color:var(--text);background:var(--bg);margin:0;font:15px/1.6 system-ui,sans-serif;transition:background .2s,color .2s}#root{min-height:100vh}h1,h2,h3{color:var(--heading);margin:0 0 8px;font-weight:600}h1{font-size:24px}h2{font-size:20px}h3{font-size:16px}p{margin:0}a{color:var(--primary);text-decoration:none}.page{max-width:900px;margin:0 auto;padding:24px 16px}.page-wide{max-width:1200px;margin:0 auto;padding:24px 16px}@media (width<=700px){.page,.page-wide{padding:18px 12px}}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.btn{border-radius:var(--radius);cursor:pointer;border:1px solid #0000;align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:500;transition:background .15s,opacity .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-ghost{color:var(--text);border-color:var(--border);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--bg)}.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}.btn-sm{padding:4px 10px;font-size:13px}.btn-full{justify-content:center;width:100%}.form-group{flex-direction:column;gap:4px;margin-bottom:16px;display:flex}.form-group label{color:var(--heading);font-size:13px;font-weight:500}.input{border:1px solid var(--border);border-radius:var(--radius);color:var(--heading);background:var(--surface);outline:none;width:100%;padding:8px 12px;font-size:14px;transition:border-color .15s}.input:focus{border-color:var(--primary)}select.input{cursor:pointer}.navbar{background:var(--surface);border-bottom:1px solid var(--border);z-index:10;justify-content:space-between;align-items:center;height:56px;padding:0 24px;display:flex;position:sticky;top:0;box-shadow:0 1px 4px #0000000f}.navbar-left{align-items:center;gap:8px;display:flex}.navbar-brand{cursor:pointer;background:0 0;border:none;align-items:center;padding:0 8px 0 0;display:inline-flex}.navbar-right{align-items:center;gap:10px;display:flex}.nav-links{border-left:1px solid var(--border);align-items:center;gap:2px;margin-left:4px;padding-left:8px;display:flex}.nav-link{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:6px 12px;font-size:14px;font-weight:500;transition:background .15s,color .15s}.nav-link:hover{background:var(--bg);color:var(--heading)}.nav-link.active{background:var(--primary-light);color:var(--primary)}.theme-toggle{border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;background:0 0;padding:4px 8px;font-size:16px;line-height:1;transition:background .15s}.theme-toggle:hover{background:var(--bg)}.navbar-user{cursor:pointer;border-radius:var(--radius);background:0 0;border:none;align-items:center;gap:8px;padding:4px 6px;transition:background .15s;display:flex}.navbar-user:hover{background:var(--bg)}.navbar-avatar{background:var(--primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;font-size:13px;font-weight:700;display:flex}.navbar-username{color:var(--heading);text-overflow:ellipsis;white-space:nowrap;max-width:120px;font-size:14px;font-weight:500;overflow:hidden}.rating-badge{background:var(--primary-light);color:var(--primary);white-space:nowrap;border-radius:20px;padding:2px 8px;font-size:12px;font-weight:600}.nav-toggle{border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;background:0 0;justify-content:center;align-items:center;width:36px;height:32px;padding:0;display:none}.nav-toggle:hover{background:var(--bg)}.nav-toggle-bars,.nav-toggle-bars:before,.nav-toggle-bars:after{content:"";background:var(--heading);border-radius:2px;width:16px;height:2px;transition:transform .18s,opacity .18s;display:block}.nav-toggle-bars{position:relative}.nav-toggle-bars:before{position:absolute;top:-5px}.nav-toggle-bars:after{position:absolute;top:5px}.nav-toggle-bars.open{background:0 0}.nav-toggle-bars.open:before{top:0;transform:rotate(45deg)}.nav-toggle-bars.open:after{top:0;transform:rotate(-45deg)}.nav-drawer-backdrop{z-index:9;background:#00000059;position:fixed;inset:56px 0 0}.nav-drawer{z-index:11;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:2px;padding:6px;display:flex;position:absolute;top:56px;left:8px;right:8px;box-shadow:0 8px 24px #00000029}.nav-drawer-link{text-align:left;color:var(--heading);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:11px 14px;font-size:15px;font-weight:500}.nav-drawer-link:hover{background:var(--bg)}.nav-drawer-link.active{background:var(--primary-light);color:var(--primary)}.nav-drawer-sep{background:var(--border);height:1px;margin:4px 0}.nav-drawer-logout{color:var(--danger)}@media (width<=1000px){.navbar{gap:8px;padding:0 12px}.navbar-left{flex:1;min-width:0}.navbar-right{flex-shrink:0;gap:6px}.nav-links{flex:1;min-width:0}.nav-link{white-space:nowrap;padding:6px 10px;font-size:13px}}@media (width<=880px){.nav-links,.navbar-logout,.theme-toggle{display:none}.nav-toggle{display:flex}.navbar-left{flex:0 auto}}@media (width<=860px){.navbar-username{display:none}}@media (width<=700px){.rating-badge{display:none}}.contest-table-header{color:var(--heading);background:var(--bg);border-bottom:1px solid var(--border);border-radius:var(--radius) var(--radius) 0 0;align-items:center;gap:10px;padding:12px 20px;font-size:14px;font-weight:600;display:flex}.section-count-badge{background:var(--border);color:var(--text-muted);border-radius:20px;padding:2px 8px;font-size:11px;font-weight:700}.section-count-badge.section-count-active{color:#166534;background:#dcfce7}.contest-table{border-collapse:collapse;width:100%;font-size:14px}.contest-table th{text-align:left;background:var(--bg);border-bottom:2px solid var(--border);color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;padding:10px 16px;font-size:12px;font-weight:600}.contest-table td{border-bottom:1px solid var(--border);vertical-align:middle;padding:12px 16px}.contest-table tr:last-child td{border-bottom:none}.contest-table tr:hover td{background:var(--surface-raised)}.contest-table-name{color:var(--heading);font-weight:600}@media (width<=600px){.contest-table{font-size:13px}.contest-table th{padding:9px 10px}.contest-table td{padding:11px 10px}}.badge{border-radius:20px;padding:2px 8px;font-size:12px;font-weight:600;display:inline-block}.badge-live{color:#854d0e;background:#fef9c3}.badge-scheduled{background:var(--primary-light);color:var(--primary)}.badge-ended{background:var(--bg);color:var(--text-muted)}.auth-wrap{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.auth-card{width:100%;max-width:380px}.auth-title{text-align:center;margin-bottom:24px}.auth-footer{text-align:center;color:var(--text-muted);margin-top:16px;font-size:14px}.alert{border-radius:var(--radius);margin-bottom:16px;padding:10px 14px;font-size:14px}.alert-error{background:var(--danger-light);color:var(--danger);border:1px solid #fecaca}.alert-success{background:var(--success-light);color:var(--success)}.room-layout{background:var(--bg);flex-direction:column;height:100vh;display:flex}.room-header{background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;gap:16px;height:52px;padding:0 20px;display:flex}.room-title{color:var(--heading);white-space:nowrap;text-overflow:ellipsis;min-width:0;font-size:15px;font-weight:700;overflow:hidden}.timer{font-variant-numeric:tabular-nums;letter-spacing:1px;flex-shrink:0;font-size:20px;font-weight:700}.timer-warn{color:var(--danger)}.timer-ok{color:var(--success)}.room-body{flex:1;display:flex;overflow:hidden}.room-sidebar{background:var(--surface);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;gap:12px;width:248px;padding:14px 12px;display:flex;overflow-y:auto}.sidebar-sections{grid-template-columns:1fr 1fr;gap:4px;display:grid}.sidebar-sec-btn{border:1px solid var(--border);cursor:pointer;background:var(--surface);color:var(--text-muted);border-radius:5px;justify-content:center;align-items:center;gap:3px;padding:5px 6px;font-size:12px;font-weight:600;transition:background .12s,color .12s;display:flex}.sidebar-sec-btn:hover{background:var(--bg);color:var(--heading)}.sidebar-sec-btn.active{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}.sidebar-sec-btn.submitted{color:#166534;background:#dcfce7;border-color:#86efac}.sidebar-sec-btn:disabled{opacity:.4;cursor:not-allowed}.sidebar-sec-btn:disabled:hover{background:var(--surface);color:var(--text-muted)}.sec-lock{font-size:9px}.sec-tick{font-size:10px}.sidebar-stats{flex-wrap:wrap;gap:4px;display:flex}.stat-chip{border-radius:20px;padding:2px 7px;font-size:11px;font-weight:600}.chip-answered{color:#166534;background:#dcfce7}.chip-marked{color:#5b21b6;background:#ede9fe}.q-grid{grid-template-columns:repeat(5,1fr);gap:5px;display:grid}.q-btn{border:1.5px solid var(--border);cursor:pointer;border-radius:6px;justify-content:center;align-items:center;width:36px;height:36px;font-size:12px;font-weight:600;transition:opacity .1s;display:flex;position:relative}.q-btn.current{outline:2.5px solid var(--heading);outline-offset:2px}.qs-not-visited{background:var(--surface);border-color:var(--border);color:var(--text-muted)}.qs-not-answered{color:#991b1b;background:#fee2e2;border-color:#fca5a5}.qs-answered{color:#166534;background:#dcfce7;border-color:#86efac}.qs-marked{color:#5b21b6;background:#ede9fe;border-color:#c4b5fd}.qs-answered-marked{color:#fff;background:#7c3aed;border-color:#7c3aed;box-shadow:0 0 0 2px #22c55e}.sidebar-legend{color:var(--text-muted);border-top:1px solid var(--border);flex-direction:column;gap:5px;margin-top:4px;padding-top:10px;font-size:11px;display:flex}.legend-item{align-items:center;gap:6px;display:flex}.legend-dot{border:1.5px solid var(--border);border-radius:3px;flex-shrink:0;width:14px;height:14px}.room-content{flex:1;max-width:780px;padding:28px 40px;overflow-y:auto}.section-locked-banner{color:#166534;background:#f0fdf4;border:1px solid #86efac;border-radius:8px;align-items:center;gap:12px;margin-bottom:20px;padding:9px 14px;font-size:13px;font-weight:500;display:flex}[data-theme=dark] .section-locked-banner{color:#4ade80;background:#14261e;border-color:#166534}.question-num{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px;font-size:12px;font-weight:600}.question-image{margin-bottom:16px}.question-image img{border:1px solid var(--border);background:var(--surface);border-radius:6px;max-width:100%;max-height:280px}.question-text{color:var(--heading);margin-bottom:24px;font-size:17px;font-weight:500;line-height:1.7}.qc-context{background:var(--surface-raised);border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:var(--radius);margin-bottom:22px;padding:18px 22px 20px}.qc-context-label{letter-spacing:.7px;text-transform:uppercase;color:var(--primary);background:var(--primary-light);border-radius:20px;margin-bottom:12px;padding:3px 9px;font-size:10.5px;font-weight:800;display:inline-block}.qc-context-title{color:var(--heading);margin-bottom:12px;font-size:15px;font-weight:700;line-height:1.55}.qc-context-text{color:var(--text);margin-bottom:12px;font-size:14px;line-height:1.6}.qc-passage-body{max-width:68ch}.qc-passage-para{color:var(--text);text-align:left;margin:0 0 14px;font-size:15.5px;line-height:1.85}.qc-passage-para:last-child{margin-bottom:0}.qc-table-wrap{margin-top:4px;overflow-x:auto}.qc-table{border-collapse:collapse;width:100%;font-size:14px}.qc-table th,.qc-table td{border:1px solid var(--border);text-align:center;padding:9px 14px}.qc-table th{background:var(--bg);color:var(--heading);font-weight:600}.qc-table td{color:var(--text)}.qc-table tbody tr:nth-child(2n){background:var(--bg)}.qc-syllogism{background:var(--surface-raised);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:18px;padding:16px 18px}.qc-syl-block{margin-bottom:14px}.qc-syl-block:last-child{margin-bottom:0}.qc-syl-heading{color:var(--heading);margin-bottom:8px;font-size:14px;font-weight:700}.qc-syl-item{color:var(--heading);padding-left:8px;font-size:15px;font-weight:600;line-height:1.7}.qc-syl-num{min-width:26px;color:var(--primary);font-weight:700;display:inline-block}.options{flex-direction:column;gap:10px;display:flex}.option{border:1.5px solid var(--border);border-radius:var(--radius);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:12px;padding:13px 16px;transition:border-color .15s,background .15s;display:flex}.option:not(.locked):hover,.option.selected{border-color:var(--primary);background:var(--primary-light)}.option.locked{cursor:not-allowed;opacity:.7}.option-label{border:1.5px solid var(--border);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;font-weight:600;transition:background .15s,border-color .15s;display:flex}.option.selected .option-label{background:var(--primary);border-color:var(--primary);color:#fff}.option-text{color:var(--heading);font-size:15px}@media (width<=600px){.option{flex-wrap:wrap;gap:10px;padding:12px 14px}.option-text{flex:1 1 0;min-width:0;font-size:14px}}.room-actions{flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;display:flex}.mark-btn{color:#5b21b6;border-color:#c4b5fd!important}.mark-btn.mark-active{color:#5b21b6;background:#ede9fe;border-color:#7c3aed!important}.room-nav{border-top:1px solid var(--border);justify-content:space-between;align-items:center;margin-top:24px;padding-top:20px;display:flex}.room-exam-bar{border-top:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:24px;padding-top:20px;display:flex}.room-exam-bar-top{border-top:none;border-bottom:1px solid var(--border);margin-top:4px;margin-bottom:20px;padding-top:0;padding-bottom:20px}.room-submit-btn{background:var(--success);color:#fff;border:1px solid var(--success)}.room-submit-btn:hover{filter:brightness(.95)}.room-submit-section-btn{color:#c2410c;background:#fff7ed;border:1px solid #fed7aa}.room-submit-section-btn:hover{background:#ffedd5}.room-exam-left,.room-exam-right{flex-wrap:wrap;align-items:center;gap:10px;display:flex}@media (width<=640px){.room-exam-bar{flex-direction:column;align-items:stretch}.room-exam-left,.room-exam-right{justify-content:flex-start;gap:8px}.room-exam-left .btn,.room-exam-right .btn{padding:8px 12px;font-size:13px}}@media (width<=760px){.room-layout{height:auto;min-height:100vh}.room-header{flex-wrap:wrap;gap:8px 10px;height:auto;padding:8px 12px}.room-title{white-space:normal;flex-basis:100%;font-size:14px;line-height:1.35}.timer{font-size:18px}.room-body{flex-direction:column;overflow:visible}.room-sidebar{border-right:none;border-bottom:1px solid var(--border);flex-shrink:1;width:100%;padding:12px;overflow-y:visible}.q-grid{grid-template-columns:repeat(auto-fill,minmax(36px,1fr));justify-content:start}.sidebar-legend{flex-flow:wrap;gap:6px 14px}.room-content{max-width:none;padding:18px 14px;overflow-y:visible}.question-text{margin-bottom:18px;font-size:16px}}.room-waiting{text-align:center;background:var(--bg);flex-direction:column;justify-content:center;align-items:center;height:100vh;padding:24px;display:flex}.waiting-timer{color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:2px;margin:8px 0 16px;font-size:56px;font-weight:700;line-height:1}.waiting-subtitle{color:var(--text-muted);max-width:420px;font-size:15px;line-height:1.6}.section-timer{background:var(--bg);border:1px solid var(--border);color:var(--text-muted);border-radius:6px;justify-content:space-between;align-items:center;padding:6px 10px;font-size:12px;display:flex}.section-timer-val{font-variant-numeric:tabular-nums;color:var(--heading);font-weight:700}.section-timer.section-timer-warn{color:var(--danger);background:#fef2f2;border-color:#fecaca}.section-timer.section-timer-warn .section-timer-val{color:var(--danger)}.avg-time{color:var(--text-muted);text-align:center;border-top:1px solid var(--border);padding-top:8px;font-size:11px}.tab-switch-badge{color:#c2410c;white-space:nowrap;background:#fff7ed;border:1px solid #fed7aa;border-radius:20px;padding:3px 10px;font-size:12px;font-weight:600}.fs-warning{color:var(--danger);white-space:nowrap;align-items:center;gap:6px;font-size:12px;display:flex}.fs-warning button{color:var(--primary);cursor:pointer;background:0 0;border:none;padding:0;font-size:12px;font-weight:600;text-decoration:underline}.modal-overlay{z-index:200;background:#00000080;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.modal-box{background:var(--surface);border-radius:12px;width:100%;max-width:560px;max-height:90vh;padding:28px;overflow-y:auto;box-shadow:0 20px 60px #0003}.instructions-modal{max-width:640px}.instructions-header{border-bottom:1px solid var(--border);margin-bottom:20px;padding-bottom:16px}.instructions-meta-grid{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px;display:grid}.instructions-meta-item{background:var(--bg);border-radius:8px;flex-direction:column;gap:2px;padding:12px 14px;display:flex}.meta-label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);font-size:11px;font-weight:600}.meta-value{color:var(--heading);font-size:16px;font-weight:700}.instructions-sections,.instructions-rules{margin-bottom:20px}.rules-list{color:var(--text);flex-direction:column;gap:8px;margin:0;padding-left:20px;font-size:14px;line-height:1.6;display:flex}.rules-list li strong{color:var(--heading)}.instructions-legend{margin-bottom:20px}.submit-summary-wrap{overflow-x:auto}.submit-summary-table{border-collapse:collapse;width:100%;font-size:14px}.submit-summary-table th{border-bottom:2px solid var(--border);text-align:center;padding:10px 12px;font-weight:600}.submit-summary-table th:first-child{text-align:left}.submit-summary-table td{border-bottom:1px solid var(--border);text-align:center;padding:10px 12px}.submit-summary-table td:first-child{text-align:left}.submit-summary-table tfoot td{background:var(--bg);font-weight:700}.col-green{color:var(--success);background:#16a34a1a}.col-purple{color:var(--cat-editorial);background:#7c3aed1f}.col-red{color:var(--danger);background:#dc26261a}.calc-widget{z-index:150;background:#1c1c1e;border-radius:16px;width:224px;position:fixed;bottom:72px;right:20px;overflow:hidden;box-shadow:0 20px 60px #0006}.calc-header{color:#8e8e93;justify-content:space-between;align-items:center;padding:10px 14px 4px;font-size:12px;font-weight:600;display:flex}.calc-close{color:#8e8e93;cursor:pointer;background:0 0;border:none;padding:0;font-size:16px;line-height:1}.calc-close:hover{color:#fff}.calc-display{text-align:right;padding:6px 14px 10px}.calc-expr{color:#8e8e93;min-height:18px;font-size:13px}.calc-value{color:#fff;font-variant-numeric:tabular-nums;word-break:break-all;font-size:36px;font-weight:300;line-height:1.1}.calc-keys{flex-direction:column;gap:6px;padding:4px 8px 10px;display:flex}.calc-row{grid-template-columns:repeat(4,1fr);gap:6px;display:grid}.calc-key{cursor:pointer;color:#fff;background:#3a3a3c;border:none;border-radius:50%;justify-content:center;align-items:center;height:48px;font-size:18px;font-weight:400;transition:opacity .1s;display:flex}.calc-key:hover{opacity:.8}.calc-key-fn{color:#000;background:#636366;font-size:16px;font-weight:600}.calc-key-op{color:#fff;background:#ff9f0a;font-size:22px}.calc-key-op.active{color:#ff9f0a;background:#fff}.calc-key-eq{color:#fff;background:#ff9f0a;font-size:22px}.correct{color:var(--success);font-weight:600}.wrong{color:var(--danger);font-weight:600}.skipped{color:var(--text-muted)}.result-summary-card{margin-bottom:20px}.result-summary-title{color:var(--heading);margin-bottom:20px;font-size:18px;font-weight:700}.stat-bubbles-row{flex-wrap:wrap;gap:16px;display:flex}.stat-bubble{flex-direction:column;flex:1;align-items:center;gap:6px;min-width:100px;display:flex}.stat-bubble-icon{border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;font-size:22px;display:flex}.stat-bubble-val{color:var(--heading);text-align:center;font-size:18px;font-weight:700}.stat-bubble-sub{color:var(--text-muted);font-size:12px;font-weight:500}.result-two-col{grid-template-columns:280px 1fr;gap:16px;margin-bottom:20px;display:grid}@media (width<=700px){.result-two-col{grid-template-columns:1fr}}.donut-wrap{flex-direction:column;align-items:center;gap:16px;padding:16px;display:flex}.donut-ring{border-radius:50%;justify-content:center;align-items:center;width:160px;height:160px;display:flex}.donut-hole{background:var(--surface);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:110px;height:110px;display:flex}.donut-pct{color:var(--heading);font-size:24px;font-weight:700;line-height:1}.donut-label{color:var(--text-muted);margin-top:2px;font-size:11px}.donut-legend{flex-direction:column;gap:6px;display:flex}.donut-legend-item{color:var(--text);align-items:center;gap:8px;font-size:13px;display:flex}.donut-legend-item span{border-radius:3px;flex-shrink:0;width:12px;height:12px}.result-subject-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.result-subject-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px}.result-subject-name{text-transform:uppercase;letter-spacing:.4px;margin-bottom:6px;font-size:12px;font-weight:700}.result-subject-score{color:var(--heading);margin-bottom:8px;font-size:26px;font-weight:700;line-height:1}.result-subject-score span{color:var(--text-muted);font-size:14px;font-weight:400}.result-subject-bar-track{background:var(--bg);border-radius:99px;height:5px;margin-bottom:10px;overflow:hidden}.result-subject-bar-fill{border-radius:99px;height:100%;transition:width .6s}.result-subject-pills{gap:6px;display:flex}.result-pill{border-radius:20px;padding:2px 8px;font-size:11px;font-weight:600}.result-pill.correct{color:#166534;background:#dcfce7}.result-pill.wrong{color:#991b1b;background:#fee2e2}.result-pill.skipped{background:var(--bg);color:var(--text-muted)}.section-score-bar-track{background:var(--bg);border-radius:99px;flex-shrink:0;width:80px;height:6px;overflow:hidden}.section-score-bar-fill{border-radius:99px;height:100%}.review-filter-btn{border:1px solid var(--border);cursor:pointer;background:var(--surface);color:var(--text-muted);border-radius:20px;padding:5px 12px;font-size:13px;font-weight:500;transition:all .15s}.review-filter-btn.active.filter-all{background:var(--heading);color:#fff;border-color:var(--heading)}.review-filter-btn.active.filter-correct{color:#fff;background:#16a34a;border-color:#16a34a}.review-filter-btn.active.filter-wrong{color:#fff;background:#dc2626;border-color:#dc2626}.review-filter-btn.active.filter-skipped{color:#fff;background:#64748b;border-color:#64748b}.review-list{flex-direction:column;gap:8px;display:flex}.review-item{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.review-item.review-correct{border-left:4px solid #16a34a}.review-item.review-wrong{border-left:4px solid #dc2626}.review-item.review-skipped{border-left:4px solid #94a3b8}.review-item-header{cursor:pointer;background:var(--surface);-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;padding:10px 14px;transition:background .15s;display:flex}.review-item-header:hover{background:var(--surface-raised)}.review-item-left{align-items:center;gap:8px;display:flex}.review-item-right{align-items:center;gap:10px;display:flex}.review-qnum{color:var(--text-muted);min-width:28px;font-size:13px;font-weight:700}.review-verdict{font-size:13px;font-weight:600}.review-verdict.correct{color:#16a34a}.review-verdict.wrong{color:#dc2626}.review-verdict.skipped{color:#94a3b8}.review-marks{text-align:right;min-width:40px;font-size:13px;font-weight:700}.review-marks.pos{color:#16a34a}.review-marks.neg{color:#dc2626}.review-chevron{color:var(--text-muted);font-size:11px}.review-item-body{background:var(--bg);border-top:1px solid var(--border);padding:14px 16px}.review-qtext{color:var(--heading);margin-bottom:14px;font-size:15px;font-weight:500;line-height:1.6}.review-options{flex-direction:column;gap:8px;display:flex}.review-option{border:1px solid var(--border);background:var(--surface);border-radius:6px;align-items:center;gap:10px;padding:8px 12px;font-size:14px;display:flex}.review-option.correct-opt{background:var(--success-light);border-color:#86efac}.review-option.wrong-opt{background:var(--danger-light);border-color:#fca5a5}.opt-tag{border-radius:20px;margin-left:auto;padding:2px 8px;font-size:11px;font-weight:600}.correct-tag{color:#166634;background:#dcfce7}.wrong-tag{color:#991b1b;background:#fee2e2}.rating-change-card{align-items:center;gap:20px;margin-bottom:20px;padding:16px 24px;display:flex}.rating-up{background:var(--success-light);border-color:#86efac}.rating-down{background:var(--danger-light);border-color:#fca5a5}.rating-change-label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);min-width:100px;font-size:12px;font-weight:700}.rating-change-row{align-items:center;gap:12px;display:flex}.rating-old{color:var(--text-muted);font-size:22px;font-weight:700}.rating-arrow{color:var(--text-muted);font-size:18px}.rating-new{color:var(--heading);font-size:28px;font-weight:800}.rating-delta.pos{color:var(--success);background:#dcfce7;border-radius:20px;padding:2px 10px;font-size:18px;font-weight:700}.rating-delta.neg{color:var(--danger);background:#fee2e2;border-radius:20px;padding:2px 10px;font-size:18px;font-weight:700}.diff-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}@media (width<=600px){.diff-grid{grid-template-columns:1fr}}.diff-card{background:var(--bg);border-radius:var(--radius);flex-direction:column;gap:10px;padding:16px;display:flex}.diff-label{text-transform:uppercase;letter-spacing:.5px;font-size:13px;font-weight:700}.diff-total{color:var(--heading);font-size:24px;font-weight:800;line-height:1}.diff-bar-stack{border-radius:99px;gap:1px;height:8px;display:flex;overflow:hidden}.diff-bar-stack>div{min-width:2px;transition:flex .4s}.diff-stats{gap:10px;font-size:13px;font-weight:600;display:flex}.diff-acc{color:var(--text-muted);font-size:12px}.time-analysis-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}@media (width<=650px){.time-analysis-grid{grid-template-columns:1fr}}.time-analysis-sub{text-transform:uppercase;letter-spacing:.6px;color:var(--text-muted);margin-bottom:10px;font-size:11px;font-weight:700}.time-analysis-hint{color:var(--text-muted);margin:-12px 0 16px;font-size:13px}.time-q-list{flex-direction:column;gap:8px;display:flex}.time-q-empty{color:var(--text-muted);margin:0;font-size:13px}.time-q-card{text-align:left;width:100%;font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--surface);border-radius:8px;padding:0;transition:border-color .15s,box-shadow .15s,transform .15s;display:block;overflow:hidden}.time-q-card:hover{border-color:var(--primary);transform:translateY(-1px);box-shadow:0 2px 10px #00000012}.time-q-card:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.tq-cor{border-left:3px solid #16a34a}.tq-wrg{border-left:3px solid #dc2626}.tq-skp{border-left:3px solid #94a3b8}.time-q-meta{flex-wrap:nowrap;align-items:center;gap:7px;padding:9px 12px 5px;display:flex}.time-q-num{color:var(--text-muted);flex-shrink:0;font-size:12px;font-weight:700}.time-q-verdict{flex-shrink:0;font-size:13px;font-weight:700}.tqv-cor{color:#16a34a}.tqv-wrg{color:#dc2626}.tqv-skp{color:#94a3b8}.time-q-dur{font-variant-numeric:tabular-nums;color:var(--heading);flex-shrink:0;margin-left:auto;font-size:14px;font-weight:700}.time-q-body{padding:0 12px 8px}.time-q-text{color:var(--text);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13px;line-height:1.55;display:-webkit-box;overflow:hidden}.time-q-open{color:var(--primary);opacity:.75;padding:0 12px 9px;font-size:12px;font-weight:600;display:block}.time-q-card:hover .time-q-open{opacity:1}.qd-panel{flex-direction:column;margin:-24px;display:flex}.qd-header{border-bottom:1px solid var(--border);flex-wrap:nowrap;justify-content:space-between;align-items:flex-start;gap:12px;padding:16px 20px;display:flex}.qd-header-left{flex-wrap:wrap;flex:1;align-items:center;gap:8px;min-width:0;display:flex}.qd-qnum{color:var(--heading);font-size:16px;font-weight:800}.qd-subject{font-size:12px;font-weight:700}.qd-verdict-strip{border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:14px;padding:10px 20px;font-size:13px;display:flex}.qd-cor{background:#16a34a14}.qd-wrg{background:#dc262614}.qd-skp{background:#94a3b81f}.qd-verdict{font-weight:800}.qd-cor .qd-verdict{color:#16a34a}.qd-wrg .qd-verdict{color:#dc2626}.qd-skp .qd-verdict{color:#64748b}.qd-marks{color:var(--text-muted);font-variant-numeric:tabular-nums;font-weight:700}.qd-marks.pos{color:#16a34a}.qd-marks.neg{color:#dc2626}.qd-pct{color:var(--text-muted)}.qd-time{color:var(--text-muted);font-variant-numeric:tabular-nums;margin-left:auto}.qd-body{padding:18px 20px}.qd-image{margin-bottom:14px}.qd-image img{border:1px solid var(--border);border-radius:8px;max-width:100%;max-height:300px}.qd-qtext{color:var(--text);margin-bottom:16px;font-size:15px;line-height:1.65}.qd-options{margin-bottom:12px}.qd-practice-verdict{margin-top:10px;font-weight:700}.qd-practice-actions{flex-wrap:wrap;gap:8px;margin:10px 0 16px;display:flex}.qd-solution{border:1px solid var(--border);border-left:3px solid var(--primary);background:var(--bg);border-radius:8px;padding:14px 16px}.qd-solution-title{color:var(--heading);margin-bottom:8px;font-size:13px;font-weight:800}.qd-no-solution{color:var(--text-muted);margin:0;font-size:13px}.qd-report-row{text-align:right;margin-top:14px}.qd-report{color:var(--text-muted)}.qd-pager{border-top:1px solid var(--border);background:var(--bg);border-radius:0 0 var(--radius) var(--radius);justify-content:space-between;align-items:center;gap:10px;padding:12px 20px;display:flex}.qd-pager-btn{justify-content:center;min-width:108px}.qd-pager-btn:disabled{opacity:.4}.qd-pager-count{color:var(--text-muted);font-variant-numeric:tabular-nums;white-space:nowrap;font-size:13px;font-weight:700}.qmap-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;display:flex}.qmap-filters{flex-wrap:wrap;gap:8px;display:flex}.rp-cell.rp-current{outline:2px solid var(--heading);outline-offset:2px}#question-detail{scroll-margin-top:72px}@media (width<=600px){.qd-panel{margin:-18px}.qd-header{padding:14px 14px 12px}.qd-verdict-strip{padding:10px 14px}.qd-time{width:100%;margin-left:0}.qd-body{padding:16px 14px}.qd-pager{padding:10px 12px}.qd-pager-btn{flex:1;min-width:0;padding-left:8px;padding-right:8px}}.badge-easy{color:#166534;background:#dcfce7}.badge-medium{color:#92400e;background:#fef3c7}.badge-hard{color:#991b1b;background:#fee2e2}.leaderboard-list{flex-direction:column;gap:4px;display:flex}.lb-divider{text-align:center;color:var(--text-muted);letter-spacing:4px;padding:4px 0;font-size:13px}.lb-row{background:var(--surface);border:1px solid var(--border);border-radius:8px;align-items:center;gap:12px;padding:10px 14px;display:flex}.lb-row.lb-me{background:var(--primary-light);border-color:#93c5fd}.lb-rank{min-width:36px;color:var(--heading);flex-shrink:0;font-size:15px;font-weight:700}.lb-name{color:var(--heading);text-overflow:ellipsis;white-space:nowrap;flex:1;align-items:center;gap:8px;font-weight:500;display:flex;overflow:hidden}.lb-you{background:var(--primary);color:#fff;border-radius:20px;flex-shrink:0;padding:1px 7px;font-size:11px;font-weight:700}.lb-rating{color:var(--text-muted);flex-shrink:0;font-size:12px}.lb-score{color:var(--heading);text-align:right;flex-shrink:0;min-width:40px;font-size:16px;font-weight:700}.review-time-chip{color:var(--text-muted);background:var(--bg);border:1px solid var(--border);border-radius:20px;flex-shrink:0;align-items:center;gap:2px;padding:1px 7px;font-size:11px;font-weight:500;display:inline-flex}.review-time-row{background:var(--surface);border:1px solid var(--border);border-radius:8px;flex-wrap:wrap;align-items:center;gap:20px;margin-bottom:14px;padding:10px 14px;display:flex}.review-time-stat{flex-direction:column;gap:2px;display:flex}.review-time-label{text-transform:uppercase;letter-spacing:.4px;color:var(--text-muted);font-size:11px;font-weight:600}.review-time-val{color:var(--heading);font-size:16px;font-weight:700}.review-time-verdict{margin-left:auto;font-size:13px;font-weight:600}.table-scroll{-webkit-overflow-scrolling:touch;overflow-x:auto}.result-section-table{border-collapse:collapse;width:100%;font-size:14px}.result-section-table th{text-align:left;border-bottom:2px solid var(--border);text-transform:uppercase;letter-spacing:.4px;color:var(--text-muted);padding:8px 12px;font-size:12px;font-weight:700}.result-section-table td{border-bottom:1px solid var(--border);padding:10px 12px}.result-section-table tr:last-child td{border-bottom:none}@media (width<=700px){.result-section-table{min-width:620px}.result-section-table th{padding:8px 10px}.result-section-table td{padding:10px}}.profile-header-card{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;display:flex}.profile-header-left{align-items:center;gap:24px;display:flex}.profile-avatar{background:linear-gradient(135deg, var(--primary), #7c3aed);color:#fff;width:84px;height:84px;box-shadow:0 0 0 3px var(--surface), 0 0 0 6px var(--primary), 0 4px 20px #0000002e;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:36px;font-weight:800;display:flex}.profile-tier-label{text-transform:uppercase;letter-spacing:1.2px;opacity:.92;border-radius:20px;margin-bottom:6px;padding:3px 10px;font-size:11px;font-weight:700;display:inline-block}.profile-username{margin:0 0 6px;font-size:30px;font-weight:800;line-height:1.1}.profile-meta-row{color:var(--text);flex-wrap:wrap;align-items:center;gap:4px;font-size:14px;display:flex}.tier-legend{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.tier-chip{cursor:default;letter-spacing:.2px;border-radius:20px;padding:5px 14px;font-size:12px;font-weight:600;transition:transform .15s,box-shadow .15s}.tier-chip-active{font-weight:800;transform:scale(1.12);box-shadow:0 3px 12px #00000040}@media (width<=600px){.profile-header-card{flex-direction:column;align-items:stretch;gap:16px}.profile-header-left{gap:16px;min-width:0}.profile-header-left>div{min-width:0}.tier-legend{justify-content:flex-start;gap:6px}.tier-chip{padding:4px 10px;font-size:11px}.tier-chip-active{transform:none}.profile-username{font-size:24px}}@media (width<=440px){.profile-header-left{flex-direction:column;align-items:flex-start;gap:14px}.profile-avatar{width:64px;height:64px;font-size:28px}.profile-username{font-size:22px}.follow-stats{gap:16px}}.follow-stats{gap:20px;margin-top:12px;display:flex}.follow-stat{cursor:pointer;color:var(--text-muted);background:0 0;border:none;align-items:baseline;gap:5px;padding:0;font-size:14px;transition:color .15s;display:flex}.follow-stat:hover{color:var(--primary)}.follow-stat strong{color:var(--heading);font-size:17px;font-weight:700}.follow-stat:hover strong{color:var(--primary)}.follow-modal-overlay{z-index:100;background:#00000080;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.follow-modal{background:var(--surface);border-radius:12px;flex-direction:column;width:100%;max-width:400px;max-height:70vh;display:flex;box-shadow:0 20px 60px #0000004d}.follow-modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.follow-modal-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:0 4px;font-size:26px;line-height:1}.follow-modal-close:hover{color:var(--heading)}.follow-modal-body{padding:8px;overflow-y:auto}.follow-user-row{cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:12px;width:100%;padding:10px 12px;transition:background .15s;display:flex}.follow-user-row:hover{background:var(--bg)}.follow-user-avatar{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:17px;font-weight:700;display:flex}.follow-user-name{font-size:15px;font-weight:600}.follow-user-rating{color:var(--text-muted);margin-top:1px;font-size:12px}.chart-empty{height:160px;color:var(--text-muted);background:var(--bg);border-radius:var(--radius);justify-content:center;align-items:center;font-size:14px;display:flex}.chart-tooltip{color:#f8fafc;pointer-events:none;white-space:nowrap;z-index:20;background:#1e293b;border-radius:8px;padding:10px 14px;font-size:12px;line-height:1.6;position:absolute;box-shadow:0 8px 24px #00000040}.chart-tooltip-title{color:#fff;margin-bottom:2px;font-size:13px;font-weight:700}.chart-tooltip-date{color:#94a3b8;margin-bottom:4px;font-size:11px}.chart-tooltip-rating{font-size:18px;font-weight:800;line-height:1}.chart-tooltip-rank{color:#94a3b8;margin-top:3px;font-size:11px}.heatmap-scroll{padding-bottom:4px;position:relative;overflow-x:auto}.heatmap-legend{align-items:center;gap:4px;display:flex}.heatmap-legend-cell{border-radius:2px;width:11px;height:11px;display:inline-block}.heatmap-tooltip{color:#f8fafc;pointer-events:none;white-space:nowrap;z-index:30;background:#1e293b;border-radius:6px;padding:6px 10px;font-size:12px;position:absolute;transform:translate(-50%,-100%);box-shadow:0 4px 16px #0000004d}.heatmap-tooltip-count{font-size:13px;font-weight:700}.heatmap-tooltip-date{color:#94a3b8;margin-top:1px;font-size:11px}.activity-section-title{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:12px;font-size:13px;font-weight:700}.activity-section-sub{text-transform:none;letter-spacing:0;margin-left:4px;font-weight:400}.verdict-row{grid-template-columns:1fr 1fr 1fr 1.4fr;gap:12px;margin-bottom:24px;display:grid}@media (width<=640px){.verdict-row{grid-template-columns:1fr 1fr}}.verdict-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-raised);flex-direction:column;align-items:center;gap:2px;padding:16px 12px;display:flex}.verdict-icon{font-size:22px;font-weight:700;line-height:1}.verdict-count{font-size:28px;font-weight:800;line-height:1.1}.verdict-label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);font-size:11px;font-weight:600}.verdict-pct{color:var(--text-muted);margin-top:2px;font-size:13px}.verdict-total-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-raised);flex-direction:column;justify-content:center;align-items:center;gap:4px;padding:16px 12px;display:flex}.verdict-total-num{color:var(--heading);font-size:28px;font-weight:800;line-height:1.1}.verdict-total-label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);font-size:11px;font-weight:600}.verdict-accuracy-bar{background:var(--border);border-radius:99px;width:100%;height:6px;margin-top:6px;display:flex;overflow:hidden}.subject-perf-section{margin-bottom:8px}.subject-bars{flex-direction:column;gap:10px;display:flex}.subject-bar-row{grid-template-columns:140px 1fr 42px 120px;align-items:center;gap:12px;display:grid}@media (width<=600px){.subject-bar-row{grid-template-columns:100px 1fr 36px}}.subject-bar-name{color:var(--heading);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.subject-bar-track{background:var(--border);border-radius:99px;height:10px;overflow:hidden}.subject-bar-fill{border-radius:99px;height:100%;transition:width .6s}.subject-bar-pct{text-align:right;font-size:13px;font-weight:700}.subject-bar-counts{gap:10px;font-size:12px;font-weight:600;display:flex}@media (width<=600px){.subject-bar-counts{display:none}}.topic-perf-section{margin-top:24px}.topic-bars{flex-direction:column;gap:14px;display:flex}.topic-bar-row{flex-direction:column;gap:5px;display:flex}.topic-bar-head{align-items:center;gap:8px;display:flex}.topic-bar-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.topic-bar-name{color:var(--heading);text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:13px;font-weight:600;overflow:hidden}.topic-bar-pct{flex-shrink:0;font-size:13px;font-weight:700}.topic-bar-track{background:var(--border);border-radius:99px;height:8px;overflow:hidden}.topic-bar-fill{border-radius:99px;height:100%;transition:width .6s}.topic-bar-counts{align-items:baseline;gap:10px;font-size:11.5px;font-weight:600;display:flex}.topic-bar-total{color:var(--text-muted);margin-left:auto;font-weight:500}.topic-more-btn{margin-top:14px}.topic-thin-note{color:var(--text-muted);margin-top:10px;font-size:12px;line-height:1.5}.home-layout{grid-template-columns:1fr 276px;gap:20px;display:grid}@media (width<=768px){.home-layout{grid-template-columns:1fr}}.home-main{flex-direction:column;min-width:0;display:flex}.home-sidebar{flex-direction:column;display:flex}.live-contest-card{border:1px solid #fca5a5;border-left:4px solid var(--danger);border-radius:var(--radius);box-shadow:var(--shadow);background:#fff5f5;flex-wrap:wrap;align-items:center;gap:20px;margin-bottom:20px;padding:18px 20px;display:flex}[data-theme=dark] .live-contest-card{background:#2d1515;border-color:#7f1d1d}.live-badge{color:var(--danger);letter-spacing:1px;text-transform:uppercase;flex-shrink:0;font-size:11px;font-weight:800}.live-contest-info{flex:1;min-width:0}.live-contest-title{color:var(--heading);white-space:nowrap;text-overflow:ellipsis;font-size:18px;font-weight:700;overflow:hidden}.live-contest-meta{color:var(--text-muted);margin-top:3px;font-size:13px}.live-contest-right{flex-shrink:0;align-items:center;gap:16px;display:flex}.live-timer-label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);font-size:11px;font-weight:600}.live-timer{color:var(--danger);font-variant-numeric:tabular-nums;font-size:24px;font-weight:800;line-height:1.2}.upcoming-list{flex-direction:column;display:flex}.upcoming-item{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding:14px 20px;display:flex}.upcoming-item:last-child{border-bottom:none}.upcoming-item-left{flex:1;min-width:0}.upcoming-title{color:var(--heading);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.upcoming-meta{color:var(--text-muted);margin-top:2px;font-size:12px}.upcoming-item-right{flex-shrink:0;align-items:center;gap:10px;display:flex}.upcoming-countdown{color:var(--text-muted);white-space:nowrap;font-size:12px;font-weight:600}.registered-tag{color:var(--success);white-space:nowrap;font-size:12px;font-weight:700}.recent-results-list{flex-direction:column;display:flex}.recent-result-row{border-bottom:1px solid var(--border);cursor:pointer;justify-content:space-between;align-items:center;gap:12px;padding:14px 20px;transition:background .15s;display:flex}.recent-result-row:last-child{border-bottom:none}.recent-result-row:hover{background:var(--surface-raised)}.recent-result-left{flex:1;min-width:0}.recent-result-title{color:var(--heading);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.recent-result-meta{color:var(--text-muted);margin-top:2px;font-size:12px}.recent-result-right{flex-shrink:0;align-items:center;gap:10px;display:flex}.recent-delta{border-radius:20px;padding:2px 8px;font-size:13px;font-weight:700}.recent-delta.pos{color:var(--success);background:var(--success-light)}.recent-delta.neg{color:var(--danger);background:var(--danger-light)}.rating-widget-card{text-align:center;padding:24px 20px}.rating-widget-tier{text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px;font-size:12px;font-weight:700}.rating-widget-value{margin-bottom:6px;font-size:44px;font-weight:900;line-height:1}.rating-widget-label{color:var(--text-muted);margin-bottom:16px;font-size:12px;font-weight:500}.rating-widget-divider{background:var(--border);height:1px;margin:0 -20px 16px}.home-lb-row{cursor:pointer;align-items:center;gap:10px;padding:10px 16px;transition:background .15s;display:flex}.home-lb-row:hover{background:var(--surface-raised)}.home-lb-me{background:var(--primary-light)}.home-lb-rank{flex-shrink:0;min-width:28px;font-size:15px;font-weight:700}.home-lb-name{text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:14px;font-weight:600;overflow:hidden}.home-lb-rating{color:var(--heading);flex-shrink:0;font-size:14px;font-weight:700}@media (width<=700px){.live-contest-card{gap:10px 12px;padding:16px}.live-contest-title{white-space:normal;font-size:16px}.live-contest-right{justify-content:space-between;gap:12px;width:100%}.live-timer{font-size:20px}.live-contest-right .btn{flex:1;justify-content:center;padding:10px 14px}.upcoming-item,.recent-result-row{flex-direction:column;align-items:stretch;gap:8px;padding:14px 16px}.upcoming-title,.recent-result-title{white-space:normal}.upcoming-item-right,.recent-result-right{justify-content:space-between;width:100%}.upcoming-item-right .btn{flex:1;justify-content:center;padding:8px 14px}.contest-table-header{padding:12px 16px}.home-lb-row{padding:10px 14px}}.mock-page-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:22px;display:flex}.mock-page-headings{min-width:0}.mock-page-title{letter-spacing:-.3px;margin:0 0 6px;font-size:26px;font-weight:800}.mock-page-sub{color:var(--text-muted);margin:0;font-size:14px;line-height:1.6}.mock-stats{flex-shrink:0;gap:10px;display:flex}.mock-stat{background:var(--surface);border:1px solid var(--border);min-width:84px;box-shadow:var(--shadow);border-radius:10px;flex-direction:column;align-items:center;gap:2px;padding:10px 14px;display:flex}.mock-stat strong{color:var(--heading);font-size:19px;font-weight:800;line-height:1.1}.mock-stat span{text-transform:uppercase;letter-spacing:.4px;color:var(--text-muted);font-size:11px;font-weight:600}.mock-section-tabs{flex-wrap:wrap;gap:8px;margin-bottom:26px;display:flex}.mock-section-tab{border:1.5px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;border-radius:20px;align-items:center;gap:7px;padding:7px 14px;font-size:13px;font-weight:600;transition:border-color .15s,background .15s,color .15s;display:inline-flex}.mock-section-tab:hover{border-color:var(--subject,var(--primary))}.mock-section-tab.active{background:var(--primary);border-color:var(--primary);color:#fff}.mock-tab-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.mock-section-tab.active .mock-tab-dot{background:#ffffffd9!important}.mock-tab-count{background:var(--bg);color:var(--text-muted);border-radius:20px;padding:3px 6px;font-size:11px;font-weight:700;line-height:1}.mock-section-tab.active .mock-tab-count{color:#fff;background:#ffffff38}.mock-section{margin-bottom:30px}.mock-section-heading{align-items:center;gap:10px;margin-bottom:14px;display:flex}.mock-section-bar{border-radius:2px;flex-shrink:0;width:4px;height:18px}.mock-section-name{color:var(--heading);margin:0;font-size:15px;font-weight:700}.mock-section-count{color:var(--text-muted);font-size:12px;font-weight:600}.mock-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.mock-card{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:12px;flex-direction:column;padding:18px 20px 16px;transition:box-shadow .18s,transform .18s,border-color .18s;display:flex;position:relative;overflow:hidden}.mock-card:before{content:"";background:var(--subject);opacity:.55;height:3px;transition:opacity .18s;position:absolute;inset:0 0 auto}.mock-card:hover{box-shadow:var(--shadow-md);border-color:var(--subject);transform:translateY(-2px)}.mock-card:hover:before{opacity:1}.mock-card-head{justify-content:space-between;align-items:center;gap:8px;margin-bottom:9px;display:flex}.mock-card-subject{text-transform:uppercase;letter-spacing:.7px;color:var(--subject);font-size:10.5px;font-weight:800}.mock-card-flag{letter-spacing:.3px;color:var(--text-muted);background:var(--bg);border-radius:20px;padding:3px 9px;font-size:10.5px;font-weight:700}.mock-card-title{color:var(--heading);margin:0 0 12px;font-size:15.5px;font-weight:700;line-height:1.4}.mock-card-meta{flex-wrap:wrap;gap:8px 16px;margin-bottom:14px;display:flex}.mock-meta-item{color:var(--text-muted);white-space:nowrap;align-items:center;gap:6px;font-size:12.5px;display:inline-flex}.mock-icon{fill:none;stroke:currentColor;stroke-width:1.4px;stroke-linecap:round;stroke-linejoin:round;opacity:.85;flex-shrink:0;width:14px;height:14px}.mock-score{margin-bottom:16px}.mock-score-row{justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:6px;display:flex}.mock-score-label{text-transform:uppercase;letter-spacing:.4px;color:var(--text-muted);font-size:11.5px;font-weight:600}.mock-score-val{color:var(--heading);font-size:14px;font-weight:800}.mock-score-total{color:var(--text-muted);font-size:12px;font-weight:600}.mock-score-pct{border-radius:20px;margin-left:7px;padding:2px 7px;font-size:11.5px;font-weight:700}.mock-score-val.tone-good .mock-score-pct{background:var(--success-light);color:var(--success)}.mock-score-val.tone-mid .mock-score-pct{color:#92400e;background:#fef3c7}.mock-score-val.tone-low .mock-score-pct{background:var(--danger-light);color:var(--danger)}[data-theme=dark] .mock-score-val.tone-mid .mock-score-pct{color:var(--warning);background:#2d1a07}.mock-score-track{background:var(--bg);border-radius:99px;height:5px;overflow:hidden}.mock-score-fill{border-radius:99px;height:100%;transition:width .5s}.mock-score-fill.tone-good{background:var(--success)}.mock-score-fill.tone-mid{background:var(--warning)}.mock-score-fill.tone-low{background:var(--danger)}.mock-score-fill-empty{background:repeating-linear-gradient(90deg, var(--border) 0 6px, transparent 6px 12px);width:100%}.mock-score-empty .mock-score-label{margin-bottom:6px;display:block}.mock-card-actions{align-items:center;gap:8px;margin-top:auto;display:flex}.mock-start-btn{background:var(--subject);color:#fff;cursor:pointer;border:none;border-radius:8px;flex:1;padding:10px 18px;font-size:14px;font-weight:700;transition:filter .15s,transform .1s}.mock-start-btn:hover{filter:brightness(1.08)}.mock-start-btn:active{transform:scale(.98)}.mock-secondary-btn{flex:1;justify-content:center;padding:9px 16px;font-weight:600}.mock-card-skeleton{background:linear-gradient(100deg, var(--surface) 40%, var(--surface-raised) 50%, var(--surface) 60%);border:1px solid var(--border);background-size:300% 100%;border-radius:12px;height:196px;animation:1.3s ease-in-out infinite mock-shimmer}@keyframes mock-shimmer{0%{background-position:130% 0}to{background-position:-30% 0}}.mock-empty{text-align:center;padding:44px 24px}.mock-empty-icon{margin-bottom:10px;font-size:34px}.mock-empty-title{color:var(--heading);margin:0 0 4px;font-size:16px;font-weight:700}.mock-empty-sub{color:var(--text-muted);margin:0;font-size:13.5px}@media (width<=820px){.mock-page-head{align-items:flex-start;gap:16px}.mock-stats{width:100%}.mock-stat{flex:1;min-width:0}}@media (width<=680px){.mock-grid{grid-template-columns:1fr}.mock-page-title{font-size:22px}.mock-card{padding:16px}.mock-card-meta{gap:6px 14px}.mock-section-tab{padding:7px 12px;font-size:12.5px}.mock-section-tabs{gap:6px;margin-bottom:20px}.mock-section{margin-bottom:24px}.mock-start-btn,.mock-secondary-btn{padding:11px 14px;font-size:13.5px}}.mock-room-loading{height:100vh;color:var(--text-muted);justify-content:center;align-items:center;display:flex}.mock-room{background:var(--bg);flex-direction:column;min-height:100vh;display:flex}.mock-room-topbar{z-index:10;position:sticky;top:0}.mock-room-header{background:var(--surface);border-bottom:1px solid var(--border);align-items:center;gap:16px;padding:12px 24px;display:flex}.mock-room-title{color:var(--heading);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:15px;font-weight:700;overflow:hidden}.mock-room-timer{font-variant-numeric:tabular-nums;color:var(--heading);background:var(--bg);border-radius:8px;padding:4px 12px;font-size:18px;font-weight:700}.mock-room-timer.low{color:#fff;background:var(--danger);animation:1s infinite pulse}@keyframes pulse{50%{opacity:.6}}.mock-room-body{align-items:flex-start;gap:16px;width:100%;max-width:1200px;margin:0 auto;padding:16px 24px;display:flex}.mock-room-main{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex:1;min-width:0;padding:24px}.mock-q-header{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.mock-room-palette{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-shrink:0;width:280px;padding:18px;position:sticky;top:80px}.palette-summary{color:var(--text-muted);flex-direction:column;gap:4px;margin-bottom:16px;font-size:13px;display:flex}.mock-submit-stat{text-align:center;background:var(--bg);border-radius:8px;flex:1;padding:10px}.mock-submit-stat strong{color:var(--heading);font-size:22px;display:block}.mock-submit-stat span{color:var(--text-muted);font-size:11px}.mock-result-score{flex-wrap:wrap;align-items:center;gap:28px;display:flex}.mock-score-ring{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:120px;height:120px;display:flex}.mock-score-inner{background:var(--surface);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:96px;height:96px;display:flex}.mock-score-num{color:var(--heading);font-size:30px;font-weight:800;line-height:1}.mock-score-total{color:var(--text-muted);margin-top:2px;font-size:13px}.mock-result-breakdown{color:var(--text);flex-direction:column;gap:7px;font-size:14px;display:flex}.mock-bd-row{align-items:center;gap:8px;display:flex}.mock-bd-row strong{color:var(--heading);margin-left:auto}.mock-bd-dot{border-radius:50%;width:10px;height:10px}@media (width<=760px){.mock-room-body{flex-direction:column;gap:12px;padding:12px}.mock-room-palette{order:-1;width:100%;padding:14px;position:static}.mock-room-header{gap:8px;padding:8px 12px}.mock-room-main{padding:16px 14px}}.question-text sub,.option-text sub,.review-qtext sub,.time-q-text sub{vertical-align:sub;font-size:.75em}.question-text sup,.option-text sup,.review-qtext sup,.time-q-text sup{vertical-align:super;font-size:.75em}.section-head{text-transform:uppercase;letter-spacing:.5px;color:var(--heading);margin-bottom:10px;font-size:13px;font-weight:700}.perf-row{grid-template-columns:repeat(5,1fr);gap:12px;display:grid}@media (width<=900px){.perf-row{grid-template-columns:repeat(3,1fr)}}.perf-card{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:12px;align-items:center;gap:12px;padding:16px;display:flex}.perf-icon{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:20px;display:flex}.perf-value{color:var(--heading);font-size:20px;font-weight:800;line-height:1.1}.perf-sub{color:var(--text-muted);font-size:13px;font-weight:600}.perf-label{color:var(--text-muted);margin-top:2px;font-size:12px}@media (width<=480px){.perf-card{gap:10px;padding:12px}.perf-icon{width:36px;height:36px;font-size:17px}.perf-value{font-size:17px}.perf-sub{font-size:12px}}.result-breakdown{flex-wrap:wrap;gap:8px;display:flex}.bd-pill{border-radius:20px;padding:5px 12px;font-size:13px;font-weight:600}.palette-legend{color:var(--text-muted);flex-wrap:wrap;gap:18px;margin-bottom:14px;font-size:13px;display:flex}.palette-legend span{align-items:center;gap:6px;display:inline-flex}.pl-dot{border-radius:50%;width:11px;height:11px;display:inline-block}.result-palette{grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:8px;display:grid}.rp-cell{border:1.5px solid var(--border);cursor:pointer;border-radius:8px;height:40px;font-size:14px;font-weight:700;transition:transform .1s;position:relative}.rp-cell:hover{transform:translateY(-2px)}.rp-cell.rp-marked{box-shadow:0 0 0 2px #f59e0b}.rp-flag{filter:drop-shadow(0 1px 1px #0000004d);font-size:11px;line-height:1;position:absolute;top:-6px;right:-6px}.report-reason{border:1.5px solid var(--border);cursor:pointer;border-radius:8px;align-items:center;gap:10px;padding:10px 12px;font-size:14px;transition:border-color .12s,background .12s;display:flex}.report-reason:hover{border-color:var(--primary)}.report-reason.selected{border-color:var(--primary);background:var(--primary-light)}.report-reason input{accent-color:var(--primary);margin:0}.sol-item{border:1px solid var(--border);border-radius:10px;margin-bottom:10px;overflow:hidden}.sol-head{cursor:pointer;flex-wrap:wrap;align-items:center;gap:12px;padding:12px 14px;display:flex}.sol-head:hover{background:var(--bg)}.sol-qno{color:var(--heading);font-size:14px;font-weight:800}.sol-badge{border-radius:20px;padding:2px 10px;font-size:11px;font-weight:700}.sol-meta{color:var(--text-muted);font-size:12px}.sol-meta-pct{background:var(--bg);border-radius:10px;padding:2px 8px}.sol-marks{font-size:14px;font-weight:800}.sol-body{border-top:1px solid var(--border);padding:4px 16px 18px}@media (width<=760px){.perf-row{grid-template-columns:repeat(2,minmax(0,1fr))}}.mock-mute-btn{background:var(--bg);border:1px solid var(--border);cursor:pointer;border-radius:8px;padding:4px 9px;font-size:16px;line-height:1}.mock-mute-btn:hover{background:var(--surface)}.sol-explain{margin-top:14px}.sol-explain-toggle{border:1.5px solid var(--primary);color:var(--primary);cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:7px;padding:7px 16px;font-size:14px;font-weight:600;transition:background .15s;display:inline-flex}.sol-explain-toggle:hover{background:var(--primary-light)}.sol-explain-body{background:var(--surface-raised);border:1px solid var(--border);border-left:4px solid var(--success);border-radius:var(--radius);margin-top:12px;padding:14px 16px}.sol-explain-title{text-transform:uppercase;letter-spacing:.5px;color:var(--success);margin-bottom:8px;font-size:12px;font-weight:700}.sol-explain-text{color:var(--text);font-size:15px;line-height:1.8}.sol-explain-text sub{vertical-align:sub;font-size:.75em}.sol-explain-text sup{vertical-align:super;font-size:.75em}.practice-recs-status{color:var(--text-muted);font-size:14px}.practice-recs-list{flex-direction:column;gap:16px;display:flex}.practice-rec-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}.practice-rec-head{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);justify-content:space-between;align-items:center;margin-bottom:8px;font-size:12px;font-weight:700;display:flex}.question-text img,.option-text img,.review-qtext img,.sol-explain-text img,.qc-context img,.time-q-text img{border:1px solid var(--border);vertical-align:middle;border-radius:6px;max-width:100%;max-height:260px;margin:2px 0}.mock-progress{background:var(--border);height:4px}.mock-progress-fill{background:linear-gradient(90deg, var(--primary), #7c3aed);height:100%;transition:width .3s}.diff-chip{text-transform:uppercase;letter-spacing:.5px;border-radius:20px;padding:2px 8px;font-size:10px;font-weight:700}.diff-easy{color:#16a34a;background:#dcfce7}.diff-medium{color:#d97706;background:#fef3c7}.diff-hard{color:#dc2626;background:#fee2e2}.option:hover{border-color:var(--primary);background:var(--surface-raised)}.option.selected{box-shadow:0 0 0 1px var(--primary)}.option.selected:after{content:"✓";color:var(--primary);margin-left:auto;font-size:15px;font-weight:800}.kbd-hint{color:var(--text-muted);flex-wrap:wrap;gap:16px;margin-top:16px;font-size:12px;display:flex}.kbd-hint kbd{text-align:center;background:var(--bg);border:1px solid var(--border);min-width:18px;color:var(--text);border-bottom-width:2px;border-radius:4px;margin:0 1px;padding:1px 5px;font-family:inherit;font-size:11px;display:inline-block}.palette-stats{gap:8px;margin-bottom:14px;display:flex}.pstat{text-align:center;background:var(--bg);border-radius:8px;flex:1;padding:8px 4px}.pstat strong{font-size:20px;line-height:1.1;display:block}.pstat span{color:var(--text-muted);font-size:11px}.palette-legend-room{color:var(--text-muted);grid-template-columns:1fr 1fr;gap:6px 10px;margin-bottom:14px;font-size:12px;display:grid}.palette-legend-room span{align-items:center;gap:6px;display:inline-flex}.palette-legend-room .ld{border:1.5px solid var(--border);border-radius:3px;flex-shrink:0;width:12px;height:12px}.q-timer{color:var(--text-muted);font-variant-numeric:tabular-nums;background:var(--bg);border-radius:6px;padding:2px 8px;font-size:12px;font-weight:600}.topscore-list{flex-direction:column;gap:2px;display:flex}.topscore-row{border-radius:8px;align-items:center;gap:12px;padding:9px 12px;display:flex}.topscore-row.me{background:var(--primary-light)}.topscore-rank{min-width:34px;font-size:15px;font-weight:700}.topscore-name{flex:1;align-items:center;gap:8px;font-size:14px;font-weight:600;display:flex}.topscore-you{background:var(--primary);color:#fff;border-radius:10px;padding:1px 7px;font-size:10px;font-weight:700}.topscore-score{color:var(--heading);font-weight:800}.bookmark-btn{cursor:pointer;background:0 0;border:none;padding:2px;font-size:18px;line-height:1}.practice-banner{color:#92400e;background:#fffbeb;border:1px solid #fde68a;border-radius:8px;margin-top:10px;padding:8px 12px;font-size:13px;font-weight:600}[data-theme=dark] .practice-banner{color:#fcd34d;background:#422006;border-color:#713f12}.result-hero{color:#fff;box-shadow:var(--shadow-md);background:linear-gradient(135deg,#4338ca,#7c3aed);border-radius:16px;flex-wrap:wrap;align-items:center;gap:24px;margin-bottom:18px;padding:24px 28px;display:flex}[data-theme=dark] .result-hero{background:linear-gradient(135deg,#1e293b,#334155)}.score-donut{flex-shrink:0;width:118px;height:118px;position:relative}.score-donut-center{pointer-events:none;color:#fff;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.sd-score{font-size:27px;font-weight:800;line-height:1}.sd-total{opacity:.82;margin-top:2px;font-size:12px}.sd-pct{opacity:.95;margin-top:3px;font-size:12px;font-weight:800}.result-hero-info{flex:1;min-width:220px}.result-hero-sub{text-transform:uppercase;letter-spacing:.5px;opacity:.85;font-size:12px;font-weight:600}.result-hero-title{color:#fff;margin:4px 0 12px;font-size:24px;font-weight:800}.result-hero-chips{flex-wrap:wrap;gap:8px;display:flex}.hero-chip{background:#ffffff2e;border-radius:20px;padding:5px 12px;font-size:13px}.hero-chip b{font-weight:800}.result-hero .btn-primary{color:#4338ca;background:#fff;border-color:#fff}[data-theme=dark] .result-hero .btn-primary{color:#1e293b}.result-hero .btn-primary:hover{background:#f1f5f9}.result-tabs{background:var(--surface);border:1px solid var(--border);border-radius:12px;gap:4px;margin-bottom:18px;padding:4px;display:flex}.result-tab{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;flex:1;padding:9px 12px;font-size:14px;font-weight:600;transition:background .15s,color .15s}.result-tab:hover{color:var(--heading)}.result-tab.active{background:var(--primary);color:#fff}@media (width<=480px){.result-tabs{gap:2px;padding:3px}.result-tab{padding:8px 4px;font-size:12.5px}}.answer-bar{background:var(--border);border-radius:8px;height:16px;display:flex;overflow:hidden}.answer-bar>div{transition:flex .3s}.community-sub{color:var(--text-muted);margin-bottom:22px;font-size:14px}.community-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.community-controls{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;display:flex}.community-tabs{background:var(--bg);border:1px solid var(--border);border-radius:10px;gap:4px;padding:3px;display:flex}.community-tab{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:7px;padding:7px 16px;font-family:inherit;font-size:13px;font-weight:600;transition:color .15s,background .15s}.community-tab:hover{color:var(--heading)}.community-tab.active{background:var(--surface);color:var(--heading);box-shadow:var(--shadow)}.community-filters{flex-wrap:wrap;gap:6px;display:flex}.community-chip{border:1px solid var(--border);background:var(--surface);color:var(--text-muted);cursor:pointer;border-radius:20px;padding:6px 13px;font-family:inherit;font-size:12px;font-weight:600;transition:border-color .15s,color .15s,background .15s,transform .12s}.community-chip:hover{color:var(--heading);border-color:var(--text-muted)}.community-chip:active{transform:scale(.96)}.community-chip.active{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}.community-notice{text-align:center;flex-direction:column;align-items:center;gap:8px;padding:44px 24px;display:flex}.community-notice-error{color:var(--danger)}.community-empty-icon{margin-bottom:4px;font-size:32px;line-height:1}.community-empty-title{color:var(--heading);margin:0;font-size:16px;font-weight:700}.community-empty-sub{color:var(--text-muted);max-width:380px;margin:0 0 10px;font-size:13px;line-height:1.6}.community-pagination{justify-content:center;align-items:center;gap:16px;margin-top:24px;display:flex}.community-page-label{color:var(--text-muted);font-size:13px}.cat-announcement{--accent:var(--cat-announcement);--accent-bg:var(--cat-announcement-bg)}.cat-technique{--accent:var(--cat-technique);--accent-bg:var(--cat-technique-bg)}.cat-editorial{--accent:var(--cat-editorial);--accent-bg:var(--cat-editorial-bg)}.cat-general{--accent:var(--cat-general);--accent-bg:var(--cat-general-bg)}.vote-box{flex-shrink:0;align-items:center;gap:1px;display:flex}.vote-column{flex-direction:column}.vote-btn{cursor:pointer;color:var(--text-muted);background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;padding:5px 7px;transition:color .15s,background .15s,transform .12s;display:flex}.vote-btn svg{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linejoin:round;transition:fill .15s}.vote-btn:hover:not(:disabled){background:var(--bg);color:var(--heading)}.vote-btn:active:not(:disabled){transform:scale(.86)}.vote-btn:disabled{opacity:.3;cursor:not-allowed}.vote-btn.active-up{color:var(--success)}.vote-btn.active-up svg{fill:currentColor}.vote-btn.active-down{color:var(--danger)}.vote-btn.active-down svg{fill:currentColor}.vote-score{color:var(--text-muted);text-align:center;font-variant-numeric:tabular-nums;min-width:30px;font-size:13px;font-weight:700}.vote-score.positive{color:var(--success)}.vote-score.negative{color:var(--danger)}.vote-score.bump{animation:.28s ease-out vote-bump}@keyframes vote-bump{0%{transform:scale(1)}45%{transform:scale(1.32)}to{transform:scale(1)}}.article-list{flex-direction:column;gap:12px;display:flex}.article-row{cursor:pointer;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:12px;gap:15px;padding:17px 20px 15px;transition:border-color .18s,box-shadow .18s,transform .18s;display:flex;position:relative;overflow:hidden}.article-row:before{content:"";background:var(--accent,var(--border));opacity:.7;width:3px;transition:width .18s,opacity .18s;position:absolute;top:0;bottom:0;left:0}.article-row:hover{border-color:var(--accent,var(--primary));box-shadow:var(--shadow-md);transform:translateY(-1px)}.article-row:hover:before{opacity:1;width:5px}.article-row.pinned{border-color:var(--accent,var(--primary));background:linear-gradient(to right, var(--accent-bg,var(--primary-light)) 0%, var(--surface) 55%)}.article-row-body{flex:1;min-width:0}.article-row-top{flex-wrap:wrap;align-items:center;gap:7px;margin-bottom:7px;display:flex}.article-pin{color:var(--primary);font-size:11px;font-weight:700}.article-type{letter-spacing:.6px;text-transform:uppercase;background:var(--accent-bg,var(--bg));color:var(--accent,var(--text-muted));border-radius:20px;align-items:center;gap:4px;padding:3px 9px;font-size:10px;font-weight:800;display:inline-flex}.article-mine,.article-admin-tag{text-transform:uppercase;letter-spacing:.4px;background:var(--bg);color:var(--text-muted);border:1px solid var(--border);border-radius:20px;padding:2px 7px;font-size:10px;font-weight:700}.article-admin-tag{background:var(--primary-light);color:var(--primary);border-color:#0000}.article-title-link{color:var(--heading);margin-bottom:5px;font-size:17px;font-weight:700;line-height:1.35;text-decoration:none;transition:color .15s;display:block}.article-title-link:hover{color:var(--accent,var(--primary))}.article-title-link:after{content:"";z-index:0;position:absolute;inset:0}.article-row:hover .article-title-link{color:var(--accent,var(--primary))}.article-row .vote-box,.article-byline,.article-comment-count{z-index:1;position:relative}.article-excerpt{color:var(--text-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0 0 11px;font-size:13px;line-height:1.65;display:-webkit-box;overflow:hidden}.article-row-meta{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:7px;font-size:12px;display:flex}.article-byline{align-items:center;gap:6px;text-decoration:none;display:inline-flex}.article-avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;font-size:10px;font-weight:800;display:flex}.article-author{font-weight:700}.article-byline:hover .article-author{text-decoration:underline}.article-comment-count{color:var(--text-muted);border-radius:20px;align-items:center;gap:5px;margin-left:auto;padding:3px 9px;font-weight:600;text-decoration:none;transition:background .15s,color .15s;display:inline-flex}.article-comment-count:hover{background:var(--bg);color:var(--primary)}.article-skeleton{pointer-events:none}.article-skeleton:before{background:var(--border)}.skeleton-line,.skeleton-vote{background:linear-gradient(90deg, var(--border) 25%, var(--bg) 50%, var(--border) 75%);background-size:200% 100%;border-radius:5px;animation:1.4s ease-in-out infinite skeleton-sweep}.skeleton-line{height:11px;margin-bottom:9px}.skeleton-vote{border-radius:8px;flex-shrink:0;width:26px;height:62px}.skeleton-pill{border-radius:20px;width:78px;height:15px}.skeleton-title{width:62%;height:17px;margin-bottom:12px}.skeleton-short{width:42%}@keyframes skeleton-sweep{0%{background-position:200% 0}to{background-position:-200% 0}}@media (prefers-reduced-motion:reduce){.skeleton-line,.skeleton-vote,.vote-score.bump{animation:none}}.article-back{color:var(--text-muted);margin-bottom:14px;font-size:13px;font-weight:600;text-decoration:none;transition:color .15s;display:inline-block}.article-back:hover{color:var(--primary)}.article-full{margin-bottom:16px;position:relative;overflow:hidden}.article-full:before{content:"";background:var(--accent,var(--border));width:4px;position:absolute;top:0;bottom:0;left:0}.article-full-head{align-items:flex-start;gap:16px;margin-bottom:20px;display:flex}.article-full-headtext{flex:1;min-width:0}.article-full-title{color:var(--heading);letter-spacing:-.3px;margin:2px 0 10px;font-size:27px;font-weight:800;line-height:1.22}.article-full-body{font-size:15px}.article-owner-actions{border-top:1px solid var(--border);flex-wrap:wrap;gap:8px;margin-top:26px;padding-top:16px;display:flex}.article-danger{color:var(--danger)}.article-comments-title{color:var(--heading);align-items:center;gap:8px;margin:0 0 16px;font-size:16px;font-weight:700;display:flex}.comment-thread{flex-direction:column;gap:18px;margin-top:22px;display:flex}.comment-main{align-items:flex-start;gap:12px;display:flex}.comment-body-col{flex:1;min-width:0}.comment-meta{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:5px;font-size:12px;display:flex}.comment-byline{align-items:center;gap:6px;text-decoration:none;display:inline-flex}.comment-avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;font-size:11px;font-weight:800;display:flex}.comment-author{font-weight:700}.comment-byline:hover .comment-author{text-decoration:underline}.comment-tag{letter-spacing:.5px;text-transform:uppercase;border-radius:20px;padding:2px 6px;font-size:9px;font-weight:800}.comment-tag-op{background:var(--primary-light);color:var(--primary)}.comment-tag-staff{background:var(--cat-editorial-bg);color:var(--cat-editorial)}.comment-tag-you{background:var(--bg);color:var(--text-muted);border:1px solid var(--border)}.comment-dot{color:var(--border)}.comment-edited{opacity:.8;font-style:italic}.comment-collapse{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:20px;margin-left:auto;padding:2px 7px;font-family:inherit;font-size:11px;font-weight:600;transition:background .15s,color .15s}.comment-collapse:hover{background:var(--bg);color:var(--primary)}.comment-text{color:var(--text);font-size:14px;line-height:1.65}.comment-deleted-label{font-style:italic;font-weight:600}.comment-deleted-body{color:var(--text-muted);margin:0;font-size:13px;font-style:italic}.comment-actions{flex-wrap:wrap;align-items:center;gap:10px;margin-top:7px;display:flex}.comment-action{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:3px 8px;font-family:inherit;font-size:12px;font-weight:600;transition:background .15s,color .15s}.comment-action:hover{background:var(--bg);color:var(--primary)}.comment-action-danger:hover{background:var(--danger-light);color:var(--danger)}@media (hover:hover){.comment-actions-hover{opacity:.45;transition:opacity .15s}.comment:hover>.comment-main .comment-actions-hover,.comment-actions-hover:focus-within{opacity:1}}.comment-editor{margin-top:10px}.comment-textarea{resize:vertical;font-family:inherit;line-height:1.6}.comment-textarea:focus{border-color:var(--primary)}.comment-error{color:var(--danger);margin:7px 0 0;font-size:12px}.comment-empty{text-align:center;flex-direction:column;align-items:center;gap:4px;padding:30px 0 14px;display:flex}.comment-empty-icon{margin-bottom:4px;font-size:26px;line-height:1}.comment-empty-title{color:var(--heading);margin:0;font-size:14px;font-weight:700}.comment-empty-sub{color:var(--text-muted);margin:0;font-size:13px}.comment-children{border-left:2px solid var(--border);flex-direction:column;gap:16px;margin-top:16px;margin-left:17px;padding-left:17px;transition:border-color .18s;display:flex}.comment-children:hover{border-color:var(--primary)}.comment-children-flat{border-left:none;margin-left:0;padding-left:0}.editor-card{flex-direction:column;display:flex}.editor-label{color:var(--heading);margin-bottom:6px;font-size:13px;font-weight:600}.editor-types{flex-wrap:wrap;gap:6px;margin-bottom:6px;display:flex}.editor-type{border:1px solid var(--border);background:var(--surface);border-radius:var(--radius);color:var(--text-muted);cursor:pointer;padding:8px 15px;font-family:inherit;font-size:13px;font-weight:600;transition:border-color .15s,color .15s,background .15s}.editor-type:hover{border-color:var(--text-muted);color:var(--heading)}.editor-type.active{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}.editor-hint{color:var(--text-muted);margin:0 0 18px;font-size:12px}.editor-body-head{justify-content:space-between;align-items:center;display:flex}.editor-preview-toggle{color:var(--primary);cursor:pointer;background:0 0;border:none;padding:0 0 6px;font-family:inherit;font-size:12px;font-weight:700}.editor-textarea{resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;line-height:1.7}.editor-preview{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);min-height:200px;padding:18px}.editor-error{color:var(--danger);margin:12px 0 0;font-size:13px}.editor-actions{flex-wrap:wrap;gap:10px;margin-top:22px;display:flex}.editor-label+.input{margin-bottom:18px}.markdown{color:var(--text);word-wrap:break-word;overflow-wrap:break-word;line-height:1.75}.markdown>:first-child{margin-top:0}.markdown>:last-child{margin-bottom:0}.markdown h1,.markdown h2,.markdown h3,.markdown h4{color:var(--heading)}.markdown h1{margin:28px 0 10px;font-size:22px;font-weight:700}.markdown h2{margin:25px 0 10px;font-size:19px;font-weight:700}.markdown h3{margin:21px 0 8px;font-size:16px;font-weight:700}.markdown h4{margin:18px 0 8px;font-size:14px;font-weight:700}.markdown p{margin:0 0 14px}.markdown a{color:var(--primary);text-underline-offset:2px;text-decoration:underline}.markdown ul,.markdown ol{margin:0 0 14px;padding-left:24px}.markdown li{margin-bottom:6px}.markdown blockquote{border-left:3px solid var(--accent,var(--primary));background:var(--bg);color:var(--text-muted);border-radius:0 var(--radius) var(--radius) 0;margin:0 0 14px;padding:10px 16px}.markdown blockquote p:last-child{margin-bottom:0}.markdown code{background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:1.5px 5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em}.markdown pre{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);margin:0 0 14px;padding:14px 16px;overflow-x:auto}.markdown pre code{background:0 0;border:none;padding:0;font-size:13px;line-height:1.6}.markdown hr{border:none;border-top:1px solid var(--border);margin:24px 0}@media (width<=600px){.page>h1{font-size:22px}.community-sub{margin-bottom:14px;font-size:13px}.community-header{flex-direction:column;align-items:flex-start;gap:12px}.community-header .btn{align-self:flex-start}.community-controls{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:14px}.community-tabs{align-self:flex-start;padding:2px}.community-tab{padding:6px 13px;font-size:12.5px}.community-filters{gap:5px}.community-chip{padding:5px 10px;font-size:11.5px}.article-row{gap:8px;padding:12px 13px 10px}.article-title-link{font-size:16px}.article-excerpt{-webkit-line-clamp:2;margin-bottom:8px;font-size:12.5px}.article-row-meta{gap:5px;font-size:11.5px}.article-row-top{margin-bottom:5px}.vote-column .vote-btn{padding:3px 4px}.vote-score{min-width:22px;font-size:12px}.article-full-title{font-size:21px}.article-full-head{gap:11px}.article-comment-count{margin-left:0;padding-left:0}.comment-children{margin-left:6px;padding-left:11px}}.home-page{padding-top:20px}.guest-intro{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--primary);box-shadow:var(--shadow);border-radius:12px;margin-bottom:22px;padding:22px 24px}.guest-intro-title{color:var(--heading);letter-spacing:-.3px;margin:0 0 8px;font-size:24px;font-weight:800;line-height:1.25}.guest-intro-sub{color:var(--text-muted);max-width:52ch;margin:0 0 14px;font-size:14px;line-height:1.65}.guest-stats{color:var(--text-muted);flex-wrap:wrap;gap:20px;margin-bottom:18px;font-size:13px;display:flex}.guest-stats strong{color:var(--heading);font-weight:700}.guest-intro-actions{flex-wrap:wrap;gap:10px;display:flex}.feed-head{justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px;display:flex}.feed-title{color:var(--heading);margin:0;font-size:17px;font-weight:700}.feed-more{color:var(--primary);font-size:13px;font-weight:600;text-decoration:none}.feed-more:hover{text-decoration:underline}.feed-list{flex-direction:column;gap:14px;display:flex}.feed-entry{cursor:pointer;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:12px;padding:18px 22px 15px;transition:border-color .18s,box-shadow .18s;position:relative;overflow:hidden}.feed-entry:before{content:"";background:var(--accent,var(--border));opacity:.75;width:3px;position:absolute;top:0;bottom:0;left:0}.feed-entry:hover{border-color:var(--accent,var(--primary));box-shadow:var(--shadow-md)}.feed-entry-top{flex-wrap:wrap;align-items:center;gap:7px;margin-bottom:8px;display:flex}.feed-entry-title{color:var(--heading);margin-bottom:5px;font-size:19px;font-weight:700;line-height:1.3;text-decoration:none;transition:color .15s;display:block}.feed-entry-title:hover{color:var(--accent,var(--primary))}.feed-entry-title:after{content:"";z-index:0;position:absolute;inset:0}.feed-entry:hover .feed-entry-title{color:var(--accent,var(--primary))}.feed-entry-byline,.feed-entry-foot a,.feed-entry-foot{z-index:1;position:relative}.feed-entry-byline{color:var(--text-muted);margin:0 0 10px;font-size:12.5px;display:inline}.feed-entry-byline .article-author{text-decoration:none}.feed-entry-byline .article-author:hover{text-decoration:underline}.feed-entry-excerpt{color:var(--text);-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0 0 12px;font-size:14px;line-height:1.7;display:-webkit-box;overflow:hidden}.feed-entry-foot{color:var(--text-muted);border-top:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:8px;padding-top:11px;font-size:12.5px;display:flex}.feed-score{font-variant-numeric:tabular-nums;font-weight:800}.feed-score.positive{color:var(--success)}.feed-score.negative{color:var(--danger)}.feed-comments{color:var(--text-muted);border-radius:20px;align-items:center;gap:5px;margin-left:auto;padding:3px 9px;font-weight:600;text-decoration:none;transition:background .15s,color .15s;display:inline-flex}.feed-comments:hover{background:var(--bg);color:var(--primary)}.home-sidebar{gap:16px}.side-card{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:10px;overflow:hidden}.side-card-head{color:var(--primary);background:var(--bg);border-bottom:1px solid var(--border);padding:9px 14px;font-size:13px;font-weight:700}.side-card-body{padding:14px}.side-card-foot{border-top:1px solid var(--border);padding:8px 14px 11px}.side-empty{color:var(--text-muted);text-align:center;font-size:13px}.side-link{color:var(--primary);font-size:12.5px;font-weight:600;text-decoration:none}.side-link:hover{text-decoration:underline}.side-attention{border-color:var(--primary)}.attention-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;text-align:center;margin:0 0 6px;font-size:12px;font-weight:700}.attention-title{color:var(--primary);text-align:center;margin-bottom:8px;font-size:14px;font-weight:700;line-height:1.4;text-decoration:none;display:block}.attention-title:hover{text-decoration:underline}.attention-clock{color:var(--heading);text-align:center;font-variant-numeric:tabular-nums;letter-spacing:.5px;margin:0 0 12px;font-size:21px;font-weight:800}.attention-registered{text-align:center;color:var(--success);font-size:13px;font-weight:700;display:block}.rating-block{flex-direction:column;align-items:center;gap:2px;display:flex}.rating-block-tier{text-transform:uppercase;letter-spacing:.6px;font-size:12px;font-weight:800}.rating-block-value{font-size:30px;font-weight:800;line-height:1.1}.rating-block .side-link{margin-top:8px}.side-table{border-collapse:collapse;width:100%;font-size:13px}.side-table th{text-align:left;color:var(--text-muted);text-transform:uppercase;letter-spacing:.4px;border-bottom:1px solid var(--border);padding:8px 14px 6px;font-size:11px;font-weight:700}.side-table th:last-child,.side-table td:last-child{text-align:right}.side-table td{border-bottom:1px solid var(--border);color:var(--text-muted);padding:6px 14px}.side-table tr:last-child td{border-bottom:none}.side-row-me{background:var(--primary-light)}.side-user{font-weight:700;text-decoration:none}.side-user:hover{text-decoration:underline}.side-num{color:var(--heading);font-variant-numeric:tabular-nums;font-weight:700}.side-results{flex-direction:column;gap:8px;padding:12px 14px;display:flex}.side-result{justify-content:space-between;align-items:center;gap:10px;font-size:13px;text-decoration:none;display:flex}.side-result-title{color:var(--heading);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.side-result:hover .side-result-title{color:var(--primary)}.side-result-delta{font-variant-numeric:tabular-nums;flex-shrink:0;font-weight:700}.side-result-delta.pos{color:var(--success)}.side-result-delta.neg{color:var(--danger)}.comment-signin{background:var(--bg);border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:10px;padding:16px;font-size:14px;display:flex}.navbar-guest{align-items:center;gap:8px;display:flex}.nav-drawer-signup{color:var(--primary);font-weight:700}@media (width<=980px){.home-layout{grid-template-columns:1fr}.home-sidebar{flex-flow:wrap;margin-top:20px}.home-sidebar>.side-card{flex:260px}}@media (width<=600px){.guest-intro{padding:18px}.guest-intro-title{font-size:20px}.feed-entry{padding:15px 17px 13px}.feed-entry-title{font-size:17px}.feed-comments{margin-left:0;padding-left:0}.home-sidebar{flex-direction:column}.home-sidebar>.side-card{flex:none}.qc-context{margin-bottom:18px;padding:14px 16px 16px}.qc-passage-para{font-size:15px;line-height:1.8}.qc-context-title{font-size:14.5px}}.contest-section-heading{color:var(--heading);margin:28px 0 12px;font-size:15px;font-weight:700}.contest-hero{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--primary);box-shadow:var(--shadow);border-radius:14px;justify-content:space-between;align-items:center;gap:28px;padding:16px 20px;display:flex;position:relative;overflow:hidden}.contest-hero-left{min-width:0}.contest-hero-right{flex-shrink:0;align-items:center;gap:22px;display:flex}.contest-hero.is-live{border-left-color:var(--danger)}.contest-hero-eyebrow{letter-spacing:.9px;text-transform:uppercase;color:var(--primary);align-items:center;gap:6px;margin-bottom:5px;font-size:10px;font-weight:800;display:inline-flex}.contest-hero.is-live .contest-hero-eyebrow{color:var(--danger)}.live-dot{background:currentColor;border-radius:50%;width:8px;height:8px;animation:1.6s ease-in-out infinite live-pulse}@keyframes live-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}.contest-hero-title{color:var(--heading);letter-spacing:-.4px;margin:0 0 10px;font-size:18px;font-weight:800;line-height:1.2}.contest-hero-meta{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:7px;margin-bottom:0;font-size:12px;display:flex}.cd-dot{color:var(--border)}.contest-hero-clock{margin-bottom:0}.contest-hero-clocklabel{letter-spacing:.7px;text-transform:uppercase;color:var(--text-muted);margin-bottom:4px;font-size:9px;font-weight:700}.contest-hero-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.contest-registered{color:var(--success);font-size:13px;font-weight:700}.contest-registered-sm{color:var(--success);white-space:nowrap;font-size:13px;font-weight:700}.cd-clock,.cd-seg-wrap{align-items:flex-start;display:flex}.cd-seg{flex-direction:column;align-items:center;display:flex}.cd-value{font-variant-numeric:tabular-nums;color:var(--heading);font-weight:800;line-height:1}.cd-label{letter-spacing:.7px;text-transform:uppercase;color:var(--text-muted);margin-top:5px;font-size:9px;font-weight:700}.cd-colon{color:var(--border);font-weight:800;line-height:1}.cd-hero .cd-value{font-size:23px}.cd-hero .cd-seg{min-width:32px}.cd-hero .cd-colon{margin:0 2px;font-size:16px}.cd-tone-primary.cd-hero .cd-value{color:var(--primary)}.cd-tone-danger.cd-hero .cd-value{color:var(--danger)}.cd-row .cd-value{font-size:18px}.cd-row .cd-seg{min-width:28px}.cd-row .cd-label{margin-top:3px;font-size:8.5px}.cd-row .cd-colon{margin:0 2px;font-size:14px}.cd-tone-danger.cd-row .cd-value{color:var(--danger)}.contest-rows{flex-direction:column;gap:10px;display:flex}.contest-row{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--primary);box-shadow:var(--shadow);border-radius:10px;align-items:center;gap:20px;padding:14px 18px;display:flex}.contest-row.is-live{border-left-color:var(--danger)}.contest-row-main{flex:1;min-width:0}.contest-row-title{color:var(--heading);align-items:center;gap:8px;margin-bottom:3px;font-size:15px;font-weight:700;display:flex}.contest-live-tag{text-transform:uppercase;letter-spacing:.6px;color:var(--danger);align-items:center;gap:5px;font-size:10px;font-weight:800;display:inline-flex}.contest-row-meta{color:var(--text-muted);font-size:12.5px}.contest-row-clock{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:3px;display:flex}.contest-row-clocklabel{letter-spacing:.6px;text-transform:uppercase;color:var(--text-muted);font-size:10px;font-weight:700}.contest-row-action{text-align:right;flex-shrink:0;min-width:92px}.contest-past-cell{color:var(--text-muted);white-space:nowrap;font-size:13px}@media (width<=900px){.contest-hero{flex-direction:column;align-items:flex-start;gap:14px}.contest-hero-right{justify-content:space-between;width:100%}}@media (width<=720px){.contest-hero{padding:14px 16px}.contest-hero-title{font-size:17px}.cd-hero .cd-value{font-size:21px}.cd-hero .cd-seg{min-width:30px}.cd-hero .cd-colon{margin:0 2px;font-size:15px}.contest-row{flex-direction:column;align-items:stretch;gap:12px}.contest-row-clock{align-items:flex-start}.contest-row-action{text-align:left}}.btn-lg{border-radius:8px;padding:10px 20px;font-size:14px;font-weight:600}@media (width<=640px){.mock-room-header{flex-wrap:wrap;row-gap:7px}.mock-room-title{flex:100%;font-size:13.5px;line-height:1.3}.mock-mute-btn{padding:4px 7px;font-size:14px}.mock-room-timer{margin-left:auto;padding:3px 10px;font-size:17px}.mock-room-header .btn{padding:6px 12px}}.notif-wrap{align-items:center;display:flex;position:relative}.notif-bell{border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;background:0 0;padding:4px 8px;font-size:15px;line-height:1;transition:background .15s,border-color .15s;position:relative}.notif-bell:hover,.notif-bell.active{background:var(--bg);border-color:var(--primary)}.notif-badge{background:var(--danger);color:#fff;border:2px solid var(--surface);border-radius:9px;justify-content:center;align-items:center;min-width:17px;height:17px;padding:0 4px;font-size:10px;font-weight:800;display:flex;position:absolute;top:-6px;right:-6px}.notif-panel{background:var(--surface);border:1px solid var(--border);z-index:40;border-radius:12px;width:340px;max-width:calc(100vw - 24px);position:absolute;top:calc(100% + 8px);right:0;overflow:hidden;box-shadow:0 10px 30px #0000002e}.notif-panel-head{color:var(--heading);border-bottom:1px solid var(--border);background:var(--bg);padding:11px 14px;font-size:13px;font-weight:700}.notif-list{max-height:380px;overflow-y:auto}.notif-item{text-align:left;border:none;border-bottom:1px solid var(--border);cursor:pointer;background:0 0;gap:10px;width:100%;padding:11px 14px;font-family:inherit;transition:background .12s;display:flex}.notif-item:last-child{border-bottom:none}.notif-item:hover{background:var(--bg)}.notif-item.unread{background:var(--primary-light);box-shadow:inset 3px 0 0 var(--primary)}.notif-item.unread:hover{background:var(--primary-light);filter:brightness(.98)}.notif-icon{flex-shrink:0;font-size:15px;line-height:1.4}.notif-body{flex-direction:column;gap:3px;min-width:0;display:flex}.notif-text{color:var(--text);word-break:break-word;font-size:13px;line-height:1.5}.notif-text strong{font-weight:700}.notif-time{color:var(--text-muted);font-size:11.5px}.notif-empty{text-align:center;color:var(--text-muted);padding:28px 20px;font-size:13px}.notif-empty-icon{margin-bottom:8px;font-size:26px;display:block}.notif-empty p{margin:0}.notif-empty-sub{font-size:12px;line-height:1.55;margin-top:5px!important}@media (width<=600px){.notif-panel{width:auto;max-width:none;position:fixed;top:60px;left:12px;right:12px}.notif-list{max-height:60vh}}.nav-drawer-theme{justify-content:space-between;align-items:center;gap:12px;display:flex}.nav-drawer-theme-state{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);background:var(--bg);border:1px solid var(--border);border-radius:20px;padding:2px 8px;font-size:11px;font-weight:700}.logo{align-items:center;gap:9px;display:inline-flex}.logo-mark{flex-shrink:0;display:block}.logo-badge{fill:var(--primary)}.logo-bar{fill:#fff}.logo-word{letter-spacing:-.3px;color:var(--heading);white-space:nowrap;font-size:18px;font-weight:800}.logo-word span{color:var(--primary)}.logo-suffix{color:var(--text-muted);margin-left:8px;font-size:12px;font-weight:500}@media (width<=420px){.logo-word{font-size:16px}}.test-attempt-banner{background:var(--warning-light,#fffbeb);border:1px solid var(--warning,#d97706);border-left:4px solid var(--warning,#d97706);border-radius:var(--radius);color:var(--text);align-items:flex-start;gap:11px;margin-bottom:18px;padding:13px 16px;font-size:13.5px;line-height:1.6;display:flex}.test-attempt-banner strong{color:var(--heading)}.contest-hero-registered{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.section-done-modal{text-align:center;flex-direction:column;max-width:440px;padding:0;display:flex;overflow:hidden}.section-done-body{min-height:0;padding:30px 28px 6px;overflow-y:auto}.section-done-footer{border-top:1px solid var(--border);background:var(--surface);padding:14px 28px 20px}.section-done-icon{background:var(--success-light);width:56px;height:56px;color:var(--success);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 16px;font-size:26px;display:flex}.section-done-icon.timeout{background:var(--warning-light,#fffbeb);color:var(--warning,#d97706)}.section-done-title{color:var(--heading);margin:0 0 6px;font-size:20px;font-weight:800}.section-done-sub{color:var(--text-muted);margin:0 0 20px;font-size:13.5px;line-height:1.6}.section-done-stats{border:1px solid var(--border);border-radius:10px;justify-content:center;gap:0;margin-bottom:22px;display:flex;overflow:hidden}.section-done-stats>div{flex-direction:column;flex:1;gap:3px;padding:12px 8px;display:flex}.section-done-stats>div+div{border-left:1px solid var(--border)}.section-done-stats strong{color:var(--heading);font-variant-numeric:tabular-nums;font-size:20px;font-weight:800}.section-done-stats span{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:11px}.section-done-next{background:var(--bg);border-radius:10px;margin-bottom:16px;padding:14px}.section-done-next-label{letter-spacing:.8px;text-transform:uppercase;color:var(--text-muted);margin-bottom:5px;font-size:10.5px;font-weight:800}.section-done-next-name{color:var(--heading);margin-bottom:3px;font-size:17px;font-weight:700}.section-done-next-meta{color:var(--text-muted);font-size:12.5px}.section-done-action{justify-content:center;padding:11px;font-size:15px}.section-done-note{color:var(--text-muted);margin:12px 0 0;font-size:11.5px;line-height:1.55}.confirm-overlay{z-index:300}.confirm-box{max-width:420px;padding:24px}.confirm-title{color:var(--heading);margin:0 0 8px;font-size:17px;font-weight:700;line-height:1.35}.confirm-message{color:var(--text);margin:0;font-size:14px;line-height:1.65}.confirm-detail{color:var(--warning,#d97706);background:var(--warning-light,#fffbeb);border-radius:var(--radius);margin:12px 0 0;padding:9px 12px;font-size:13.5px;font-weight:600}.confirm-actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;margin-top:20px;display:flex}@media (width<=480px){.confirm-actions{flex-direction:column-reverse}.confirm-actions .btn{justify-content:center;width:100%}}.submit-modal{flex-direction:column;padding:0;display:flex;overflow:hidden}.submit-modal-body{min-height:0;padding:28px 28px 6px;overflow-y:auto}.submit-modal-actions{border-top:1px solid var(--border);background:var(--surface);justify-content:flex-end;gap:10px;padding:14px 28px;display:flex}.report-modal-body{min-height:0;padding:20px;overflow-y:auto}.report-modal-actions{border-top:1px solid var(--border);background:var(--surface);gap:10px;padding:14px 20px;display:flex}@media (width<=600px){.modal-overlay{padding:12px}.modal-box{max-height:calc(100vh - 24px);padding:20px}.confirm-box{padding:20px}.section-done-body{padding:24px 20px 4px}.section-done-footer{padding:12px 20px 16px}.submit-modal{padding:0}.submit-modal-body{padding:22px 20px 6px}.submit-modal-actions{padding:12px 20px}.submit-modal-actions .btn{flex:1;justify-content:center}.submit-summary-table thead{display:none}.submit-summary-table,.submit-summary-table tbody,.submit-summary-table tfoot,.submit-summary-table tr,.submit-summary-table td{width:100%;display:block}.submit-summary-table tr{border:1px solid var(--border);border-radius:8px;margin-bottom:8px;padding:8px 12px}.submit-summary-table tfoot tr{background:var(--bg)}.submit-summary-table td{text-align:right;border:none;padding:3px 0}.submit-summary-table td:first-child{text-align:left;color:var(--heading);border-bottom:1px solid var(--border);margin-bottom:4px;padding-bottom:6px;font-size:14px;font-weight:700}.submit-summary-table td:not(:first-child):before{content:attr(data-label);float:left;color:var(--text-muted);font-weight:500}}@media (height<=560px){.modal-overlay{align-items:flex-start;padding:8px}.modal-box{max-height:calc(100vh - 16px)}.section-done-body{padding-top:18px}.section-done-icon{width:40px;height:40px;margin-bottom:10px;font-size:20px}.section-done-sub,.section-done-stats{margin-bottom:14px}.section-done-note{display:none}.follow-modal-overlay{align-items:flex-start;padding:8px}.follow-modal{max-height:calc(100vh - 16px)}.calc-widget{max-height:calc(100vh - 16px);bottom:8px;overflow-y:auto}}@media (pointer:coarse){.modal-box .btn,.follow-modal .btn,.confirm-actions .btn,.qd-pager-btn,.qd-report{min-height:44px}.bookmark-btn,.follow-modal-close,.calc-close{justify-content:center;align-items:center;min-width:40px;min-height:40px;display:inline-flex}.report-reason{min-height:48px;padding:12px}.report-reason input{flex-shrink:0;width:20px;height:20px}}.google-btn-wrap{margin-bottom:4px}.google-btn{justify-content:center;max-width:100%;min-height:44px;display:flex;overflow:hidden}.google-btn>div,.google-btn iframe{max-width:100%!important}.google-btn-skeleton{text-align:center;color:var(--text-muted);padding:10px 0;font-size:13px}.auth-divider{color:var(--text-muted);text-transform:uppercase;letter-spacing:.6px;align-items:center;gap:12px;margin:16px 0;font-size:12px;display:flex}.auth-divider:before,.auth-divider:after{content:"";background:var(--border);flex:1;height:1px}.label-row{justify-content:space-between;align-items:baseline;gap:10px;display:flex}.auth-inline-link{font-size:12.5px;font-weight:500}.linklike{font:inherit;color:var(--primary);cursor:pointer;background:0 0;border:none;padding:0;text-decoration:none}.linklike:hover{text-decoration:underline}.verify-banner{background:var(--warning-light,#fffbeb);color:#92400e;border-bottom:1px solid #fcd34d;flex-wrap:wrap;align-items:center;gap:12px;padding:10px 24px;font-size:13.5px;line-height:1.5;display:flex}[data-theme=dark] .verify-banner{color:#fcd34d;background:#d9770624;border-bottom-color:#d9770680}.verify-banner-text{flex:1;min-width:200px}.verify-banner-error{opacity:.85;margin-top:4px;font-size:12.5px}.verify-banner-btn{color:#fff;background:#b45309;border-color:#b45309;flex-shrink:0}.verify-banner-btn:hover:not(:disabled){background:#92400e}@media (width<=700px){.verify-banner{gap:8px;padding:10px 12px}}.legal-page{max-width:72ch;padding-bottom:56px}.legal-page h1{margin-bottom:4px;font-size:28px}.legal-page h2{border-top:1px solid var(--border);margin:32px 0 10px;padding-top:20px;font-size:18px}.legal-page h3{color:var(--heading);margin:20px 0 6px;font-size:15px}.legal-page p{color:var(--text);margin:0 0 12px;line-height:1.75}.legal-page ul{margin:0 0 14px;padding-left:22px}.legal-page li{color:var(--text);margin-bottom:8px;line-height:1.75}.legal-page code{background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:1px 5px;font-size:13px}.legal-updated{color:var(--text-muted);margin-bottom:24px;font-size:13px}.legal-lede{font-size:16px;line-height:1.7}.legal-footer{border-top:1px solid var(--border);color:var(--text-muted);margin-top:36px;padding-top:18px;font-size:14px}.auth-legal{color:var(--text-muted);text-align:center;margin-top:16px;font-size:12px;line-height:1.6}.profile-figures{border-top:1px solid var(--border);grid-template-columns:repeat(3,1fr);gap:20px 24px;margin-top:22px;padding-top:20px;display:grid}@media (width<=720px){.profile-figures{grid-template-columns:repeat(2,1fr)}}@media (width<=430px){.profile-figures{grid-template-columns:1fr}}.profile-figure-value{color:var(--heading);font-variant-numeric:tabular-nums;font-size:26px;font-weight:600;line-height:1.2}.profile-figure-label{color:var(--text-muted);margin-top:2px;font-size:13px}@media (width<=600px){.profile-figures{gap:16px 18px}.profile-figure-value{font-size:22px}}.lang-picker{border:none;margin:18px 0 4px;padding:0}.lang-picker-legend{text-transform:uppercase;letter-spacing:.6px;color:var(--text-muted);margin-bottom:8px;padding:0;font-size:12px;font-weight:700}.lang-picker-options{grid-template-columns:1fr 1fr;gap:8px;display:grid}.lang-option{cursor:pointer;border:1.5px solid var(--border);border-radius:var(--radius);align-items:center;gap:8px;padding:10px 12px;font-size:14px;transition:border-color .12s,background .12s;display:flex}.lang-option:hover{border-color:var(--primary)}.lang-option-active{border-color:var(--primary);background:var(--primary-light)}.lang-option input{accent-color:var(--primary);flex-shrink:0;margin:0}.lang-option-flag{font-size:16px;line-height:1}.lang-option-native{color:var(--heading);font-weight:600}.lang-option-label{color:var(--text-muted);margin-left:auto;font-size:12px}.lang-picker-note{color:var(--text-muted);margin:8px 0 0;font-size:12px;line-height:1.55}.lang-fallback{background:var(--warning-light,#fffbeb);color:#92400e;border-radius:var(--radius);border:1px solid #fcd34d;align-items:flex-start;gap:8px;margin-bottom:12px;padding:8px 12px;font-size:13px;line-height:1.5;display:flex}[data-theme=dark] .lang-fallback{color:#fcd34d;background:#d9770624;border-color:#d9770680}@media (width<=480px){.lang-picker-options{grid-template-columns:1fr}}.lang-toggle{border:1px solid var(--border);border-radius:20px;display:inline-flex;overflow:hidden}.lang-toggle-btn{background:var(--surface);cursor:pointer;font:inherit;color:var(--text-muted);border:none;padding:4px 12px;font-size:12.5px;font-weight:600;transition:background .12s,color .12s}.lang-toggle-btn+.lang-toggle-btn{border-left:1px solid var(--border)}.lang-toggle-btn.active{background:var(--primary);color:#fff}.lang-toggle-btn:disabled{opacity:.6;cursor:wait}.xr,.xs{--bg:#f1f5f9;--surface:#fff;--surface-raised:#f8fafc;--border:#e2e8f0;--text:#334155;--text-muted:#64748b;--heading:#0f172a;--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#eff6ff;--danger:#dc2626;--danger-light:#fef2f2;--success:#16a34a;--success-light:#f0fdf4;--warning:#d97706}.xr{background:#fff;flex-direction:column;min-height:100vh;display:flex}.xr-top{background:#fff;border-bottom:1px solid #cbd5e1;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;padding:8px 16px;display:grid}.xr-brand{flex-direction:column;gap:2px;min-width:0;display:flex}.xr-brand-name{color:#0f172a;font-size:15px;font-weight:700}.xr-brand-sub{color:#475569;white-space:nowrap;text-overflow:ellipsis;max-width:220px;font-size:11px;overflow:hidden}.xr-title{text-align:center;min-width:0}.xr-title-main{color:#0f172a;white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:700;overflow:hidden}.xr-roll{color:#334155;margin-top:2px;font-size:12px}.xr-topright{justify-content:flex-end;align-items:center;gap:14px;display:flex}.xr-iconbtn{color:#1d4ed8;cursor:pointer;background:#fff;border:1px solid #93c5fd;border-radius:4px;width:34px;height:30px;font-size:14px;line-height:1}.xr-iconbtn:hover{background:#eff6ff}.xr-tools{gap:4px;display:flex}.xr-clock{text-align:center}.xr-clock-label{color:#334155;font-size:12px}.xr-clock-value{color:#b91c1c;font-variant-numeric:tabular-nums;letter-spacing:1px;background:#fef9c3;border-radius:3px;padding:1px 8px;font-size:19px;font-weight:700}.xr-photos{gap:8px;display:flex}.xr-photo{text-align:center}.xr-photo-box{background:#d1d5db;border:1px solid #9ca3af;justify-content:center;align-items:flex-end;width:52px;height:44px;display:flex;overflow:hidden}.xr-photo-box svg{fill:#9ca3af;width:34px;height:34px}.xr-photo-cap{color:#475569;margin-top:1px;font-size:8px}.xr-actions{background:#fff;border-bottom:1px solid #cbd5e1;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;padding:8px 16px;display:grid}.xr-actions-left{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.xr-link{cursor:pointer;font:inherit;color:#b45309;background:0 0;border:none;padding:0;font-size:12.5px;font-weight:600;text-decoration:underline}.xr-part{color:#fff;letter-spacing:.5px;background:#15803d;border-radius:3px;padding:4px 12px;font-size:12px;font-weight:700}.xr-actions-mid{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.xr-btn{color:#fff;cursor:pointer;background:#2563eb;border:1px solid #1d4ed8;border-radius:4px;padding:6px 14px;font-family:inherit;font-size:13px;font-weight:600}.xr-btn:hover:not(:disabled){background:#1d4ed8}.xr-btn:disabled{opacity:.5;cursor:not-allowed}.xr-btn-plain{color:#1d4ed8;background:#fff}.xr-btn-plain:hover:not(:disabled){background:#eff6ff}.xr-answered{text-align:right;color:#334155;font-size:12.5px}.xr-answered b{color:#b45309;background:#fef9c3;border-radius:3px;padding:1px 7px}.xr-body{flex:1;grid-template-columns:1fr 300px;align-items:start;display:grid}.xr-body.side-collapsed{grid-template-columns:1fr 34px}.xr-main{min-width:0;padding:14px 18px 40px}.xr-qno{color:#0f172a;flex-wrap:wrap;align-items:baseline;gap:10px;margin-bottom:8px;font-size:14px;font-weight:700;display:flex}.xr-qmeta{color:#64748b;font-variant-numeric:tabular-nums;font-size:12px;font-weight:400}.xr-card{border:1px solid #cbd5e1;border-radius:2px}.xr-card-head{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:14px;padding:8px 12px;display:flex}.xr-langsel{color:#334155;align-items:center;gap:6px;font-size:12.5px;display:flex}.xr-langsel select{color:#0f172a;background:#fff;border:1px solid #cbd5e1;border-radius:3px;padding:3px 6px;font-family:inherit;font-size:12.5px}.xr-report{cursor:pointer;font:inherit;color:#475569;background:0 0;border:none;align-items:center;gap:4px;font-size:12.5px;display:inline-flex}.xr-qtext{color:#0f172a;border:1px solid #cbd5e1;border-bottom:none;margin:0 12px;padding:14px;font-size:15px;line-height:1.7}.xr-opts{margin:0 12px 14px}.xr-opt{color:#0f172a;cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-top:none;align-items:flex-start;gap:12px;padding:12px 14px;font-size:15px;display:flex}.xr-opt:first-child{border-top:1px solid #cbd5e1}.xr-opt:hover{background:#f8fafc}.xr-opt.sel{background:#eff6ff}.xr-opt input{accent-color:#2563eb;flex-shrink:0;margin:3px 0 0}.xr-opt.locked{cursor:default}.xr-side{background:#fff;border-left:1px solid #cbd5e1;padding:10px 12px 40px}.xr-side-head{color:#0f172a;justify-content:center;align-items:center;gap:8px;margin-bottom:12px;font-size:14px;font-weight:700;display:flex}.xr-side-toggle{cursor:pointer;color:#2563eb;background:0 0;border:none;padding:0;font-family:inherit;font-size:13px;line-height:1}.xr-side-toggle:hover{color:#1d4ed8}.xr-side.collapsed{padding-left:6px;padding-right:6px}.xr-side.collapsed .xr-side-head{justify-content:center;margin-bottom:0}.xr-palette{grid-template-columns:repeat(6,1fr);gap:7px;margin-bottom:16px;display:grid}.xr-cell{aspect-ratio:1;color:#fff;cursor:pointer;background:#2563eb;border:1px solid #1d4ed8;border-radius:2px;justify-content:center;align-items:center;font-family:inherit;font-size:12.5px;font-weight:700;display:flex}.xr-cell.answered{background:#15803d;border-color:#166534}.xr-cell.marked{background:#7c3aed;border-color:#6d28d9}.xr-cell.answered-marked{background:#7c3aed;border-color:#166534;box-shadow:inset 0 -4px #15803d}.xr-cell.not-answered{background:#dc2626;border-color:#b91c1c}.xr-cell.not-visited{color:#374151;background:#e5e7eb;border-color:#9ca3af}.xr-cell.current{outline-offset:1px;outline:2px solid #0f172a}.xr-cell:disabled{opacity:.55;cursor:not-allowed}.xr-analysis{border:1px solid #cbd5e1}.xr-analysis-head{text-align:center;color:#0f172a;background:#e5e7eb;border-bottom:1px solid #cbd5e1;padding:5px;font-size:12.5px;font-weight:700}.xr-analysis-row{color:#334155;border-bottom:1px solid #e5e7eb;justify-content:space-between;align-items:center;padding:5px 10px;font-size:12.5px;display:flex}.xr-analysis-row:last-child{border-bottom:none}.xr-analysis-row b{color:#b45309;font-variant-numeric:tabular-nums;text-align:center;background:#fef9c3;border-radius:2px;min-width:26px;padding:0 8px}@media (width<=860px){.xr-top{grid-template-columns:auto 1fr;row-gap:6px}.xr-title{text-align:left;order:3;grid-column:1/-1}.xr-brand-sub,.xr-photos{display:none}.xr-actions{grid-template-columns:1fr;row-gap:8px}.xr-actions-mid{justify-content:flex-start}.xr-answered{text-align:left}.xr-body,.xr-body.side-collapsed{grid-template-columns:1fr}.xr-side{border-bottom:1px solid #cbd5e1;border-left:none;order:-1;padding-bottom:14px}.xr-side.collapsed{padding-bottom:6px}.xr-palette{grid-template-columns:repeat(8,1fr)}.xr-main{padding:12px}}@media (width<=420px){.xr-palette{grid-template-columns:repeat(6,1fr)}.xr-clock-value{font-size:17px}}.xr-clock-value.warn{background:#fee2e2;animation:1s steps(2,end) infinite xr-pulse}@keyframes xr-pulse{50%{background:#fecaca}}.xr-sections{background:#f8fafc;border-bottom:1px solid #cbd5e1;gap:6px;padding:6px 16px;display:flex;overflow-x:auto}.xr-sec{color:#334155;cursor:pointer;white-space:nowrap;background:#fff;border:1px solid #cbd5e1;border-radius:3px 3px 0 0;align-items:center;gap:6px;padding:5px 14px;font-family:inherit;font-size:12.5px;font-weight:600;display:inline-flex}.xr-sec.active{color:#fff;background:#2563eb;border-color:#1d4ed8}.xr-sec.submitted{color:#166534;background:#dcfce7;border-color:#86efac}.xr-sec.submitted.active{color:#fff;background:#15803d;border-color:#166534}.xr-sec:disabled{opacity:.6;cursor:not-allowed}.xr-secclock{text-align:center}.xr-secclock-label{color:#475569;font-size:11px}.xr-secclock-value{color:#0f172a;font-variant-numeric:tabular-nums;letter-spacing:.5px;font-size:15px;font-weight:700}.xr-secclock-value.warn{color:#b91c1c}.xr-banner{color:#713f12;background:#fef9c3;border-bottom:1px solid #cbd5e1;flex-wrap:wrap;align-items:center;gap:10px;padding:8px 16px;font-size:12.5px;display:flex}.xr-banner-warn{color:#7f1d1d;background:#fee2e2}.xr-banner button{color:inherit;cursor:pointer;font:inherit;background:0 0;border:1px solid;border-radius:3px;padding:2px 10px;font-weight:700}.result-pending{text-align:center;max-width:520px;margin:40px auto}.result-pending-icon{background:var(--success-light);width:52px;height:52px;color:var(--success);border-radius:50%;justify-content:center;align-items:center;margin-bottom:14px;font-size:26px;font-weight:700;display:inline-flex}.result-pending h2{margin-bottom:8px}.result-pending p{color:var(--text);font-size:15px}.result-pending-sub{color:var(--text-muted);margin-top:8px;font-size:14px}.result-pending-actions{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:20px;display:flex}.xi{z-index:900;color:#111;--primary:#2563eb;--text:#334155;--border:#e2e8f0;background:#fff;flex-direction:column;font-family:Verdana,Geneva,Tahoma,sans-serif;display:flex;position:fixed;inset:0}.xi-top{border-bottom:2px solid #d0d0d0;flex-shrink:0;align-items:center;gap:14px;padding:8px 18px;display:flex}.xi .logo-mark{flex-shrink:0}.xi-title{text-align:center;color:#111;flex:1;padding-right:56px;font-size:24px;font-weight:700;line-height:1.25}.xi-body{flex:1;grid-template-columns:1fr 400px;min-height:0;display:grid}.xi-sheet{border:1px solid #b8b8b8;min-width:0;margin:8px;padding:14px 18px 24px;font-size:14px;line-height:1.5;overflow-y:auto}.xi-heading{text-align:center;color:#111;margin:0 0 18px;font-size:15px;font-weight:700}.xi-meta{margin:0 0 3px;font-size:14.5px}.xi-tablewrap{overflow-x:auto}.xi-table,.xi-symbols{border-collapse:collapse;margin:16px 0 4px}.xi-table{max-width:760px}.xi-symbols{width:100%}.xi-table th,.xi-table td,.xi-symbols th,.xi-symbols td{border:1px solid #999;padding:8px 12px;font-size:13.5px}.xi-table th{text-align:center;font-weight:700}.xi-table td{text-align:center}.xi-table td:first-child{font-weight:400}.xi-symbols th{text-align:center;background:#c8bda6;padding:9px;font-weight:700}.xi-symbols td:first-child{text-align:center;width:150px}.xi-symbols .xr-cell{aspect-ratio:auto;width:30px;height:26px;font-size:12.5px;display:inline-flex}.xi-symbols td:last-child{color:#3f62ad;font-weight:700}.xi-symbols input[type=radio]{accent-color:#2f4bc7}.xi-lead{color:#3f62ad;margin:26px 0 6px;font-size:17px;font-weight:700;line-height:1.45}.xi-rules{margin:10px 0 0;padding-left:22px;font-size:14px;line-height:1.7}.xi-rules li{margin-bottom:6px}.xi-photo{border-left:1px solid #b8b8b8;flex-direction:column;justify-content:flex-start;align-items:center;gap:10px;padding:60px 20px;display:flex}.xi-silhouette{fill:#4a4a52;width:210px;height:210px}.xi-photo-cap{color:#111;font-size:15px}.xi-foot{border-top:1px solid #d0d0d0;flex-wrap:wrap;flex-shrink:0;justify-content:center;align-items:center;gap:12px;padding:12px 18px;display:flex}.xi-choose{color:#111;align-items:center;gap:8px;font-family:Georgia,Times New Roman,serif;font-size:17px;display:inline-flex}.xi-choose select{color:#111;background:#fff;border:1px solid #999;border-radius:2px;padding:2px 6px;font-family:inherit;font-size:15px}.xi-start{cursor:pointer;color:#111;background:linear-gradient(#f6f6f6,#d9d9d9);border:1px solid #8a8a8a;border-radius:3px;padding:8px 16px;font-family:inherit;font-size:15px;font-weight:700}.xi-start:hover{background:linear-gradient(#fff,#e4e4e4)}@media (width<=860px){.xi-title{padding-right:0;font-size:17px}.xi-body{grid-template-columns:1fr;overflow-y:auto}.xi-sheet{border:none;margin:0;padding:12px;overflow-y:visible}.xi-photo{display:none}.xi-table{width:max-content;min-width:100%}.xi-table th,.xi-table td,.xi-symbols th,.xi-symbols td{padding:6px 8px;font-size:12.5px}.xi-symbols td:first-child{width:74px}.xi-lead{font-size:15px}.xi-foot{flex-direction:column;align-items:stretch}.xi-choose{justify-content:space-between}}.xs{color:#1a1a1a;background:#fff;flex-direction:column;min-height:100vh;display:flex}.xs-top{background:#fff;border-bottom:2px solid #d0d0d0;grid-template-columns:auto 1fr auto auto;align-items:center;gap:14px;padding:6px 14px;display:grid}.xs-tools{flex-direction:column;align-items:center;gap:4px;display:flex}.xs-tools-row{gap:6px;display:flex}.xs-tool{color:#fff;cursor:pointer;white-space:nowrap;background:#2f4bc7;border:1px solid #24399c;border-radius:4px;padding:4px 14px;font-family:inherit;font-size:13px;font-weight:700}.xs-tool:hover:not(:disabled){background:#24399c}.xs-tool:disabled{opacity:.45;cursor:not-allowed}.xs-tool-wide{color:#24399c;background:#fff;border-color:#9aa8de;padding:2px 12px;font-weight:600}.xs-tool-wide:hover:not(:disabled){background:#eef1fc}.xs-title{text-align:center;color:#111;min-width:0;font-size:19px;font-weight:700;line-height:1.25}.xs-topright{flex-direction:column;align-items:flex-end;gap:3px;display:flex}.xs-clock{white-space:nowrap;font-size:16px}.xs-clock-label{color:#111;font-weight:700}.xs-clock-value{color:#d32f2f;font-variant-numeric:tabular-nums;letter-spacing:.5px;font-weight:700}.xs-clock-value.warn{animation:1s steps(2,end) infinite xs-pulse}@keyframes xs-pulse{50%{opacity:.25}}.xs-pause{cursor:pointer;font:inherit;color:#333;background:0 0;border:none;align-items:center;gap:6px;padding:0;font-size:14px;display:inline-flex}.xs-pause-icon{color:#666;letter-spacing:-1px;border:2px solid #666;border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;font-size:8px;display:inline-flex}.xs-pause:hover .xs-pause-icon{color:#2f4bc7;border-color:#2f4bc7}.xs-avatar{background:#b9b9b9;justify-content:center;align-items:flex-end;width:74px;height:62px;display:flex;overflow:hidden}.xs-avatar svg{fill:#6b6b6b;width:56px;height:56px}.xs-actions{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;padding:6px 14px 10px;display:flex}.xs-actions-left{flex-direction:column;align-items:flex-start;gap:8px;display:flex}.xs-link{cursor:pointer;font:inherit;color:#c62828;background:0 0;border:none;padding:0;font-family:Georgia,Times New Roman,serif;font-size:15px;font-weight:700;text-decoration:underline}.xs-section-tag{color:#fff;background:#43a047;border-radius:3px;padding:6px 16px;font-size:14px;font-weight:700}.xs-actions-right{flex-direction:column;align-items:flex-end;gap:6px;display:flex}.xs-answered{color:#111;font-size:14px;font-weight:700}.xs-answered b{color:#ef6c00}.xs-btns{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.xs-btn{color:#fff;cursor:pointer;background:#2f4bc7;border:1px solid #24399c;border-radius:4px;padding:6px 16px;font-family:inherit;font-size:14px;font-weight:700}.xs-btn:hover:not(:disabled){background:#24399c}.xs-btn:disabled{opacity:.45;cursor:not-allowed}.xs-btn-danger{background:#c62828;border-color:#9c1f1f}.xs-btn-danger:hover:not(:disabled){background:#9c1f1f}.xs-body{flex:1;grid-template-columns:1fr 300px;align-items:start;display:grid}.xs-body.side-collapsed{grid-template-columns:1fr 40px}.xs-main{min-width:0;padding:4px 14px 40px}.xs-card{background:#fff;border:1px solid #b8b8b8;min-height:60vh}.xs-card-head{border-bottom:1px solid #b8b8b8;flex-wrap:wrap;align-items:center;gap:14px;padding:10px 14px;display:flex}.xs-qno{color:#111;font-size:17px;font-weight:700}.xs-qmeta{color:#666;font-variant-numeric:tabular-nums;font-size:12px}.xs-langsel{color:#111;align-items:center;gap:8px;margin-left:auto;font-size:14px;font-weight:700;display:flex}.xs-langsel select{color:#111;background:#fff;border:1px solid #b8b8b8;border-radius:3px;padding:3px 8px;font-family:inherit;font-size:14px;font-weight:400}.xs-report{cursor:pointer;font:inherit;color:#666;background:0 0;border:none;font-size:13px}.xs-report:hover{color:#c62828}.xs-qbody{padding:16px 18px 24px}.xs-qtext{color:#111;margin-bottom:18px;font-size:16px;line-height:1.7}.xs-opts{flex-direction:column;gap:4px;display:flex}.xs-opt{cursor:pointer;color:#111;border-radius:3px;align-items:flex-start;gap:8px;padding:3px 4px;font-size:16px;line-height:1.6;display:flex}.xs-opt:hover{background:#f4f6fd}.xs-opt.sel{background:#e8ecfb}.xs-opt.locked{cursor:default}.xs-opt input{accent-color:#2f4bc7;flex-shrink:0;margin:5px 0 0}.xs-opt-letter{flex-shrink:0}.xs-hint{color:#888;flex-wrap:wrap;gap:14px;margin-top:14px;font-size:11.5px;display:flex}.xs-side{background:#fff;padding:4px 14px 40px}.xs-side-head{color:#111;text-align:center;margin-bottom:12px;font-size:15px;font-weight:700}.xs-side-toggle{cursor:pointer;color:#2f4bc7;background:0 0;border:none;margin-bottom:6px;padding:0;font-family:inherit;font-size:26px;line-height:1;display:block}.xs-side-toggle:hover{color:#24399c}.xs-side.collapsed{padding-left:6px;padding-right:6px}.xs-palette{grid-template-columns:repeat(5,1fr);gap:10px 8px;margin-bottom:22px;display:grid}.xs-cell{color:#fff;cursor:pointer;background:#2f4bc7;border:1px solid #24399c;border-radius:4px;justify-content:center;align-items:center;height:26px;font-family:inherit;font-size:13px;font-weight:700;display:flex}.xs-cell.answered{background:#2e7d32;border-color:#1b5e20}.xs-cell.marked{background:#6a1b9a;border-color:#4a148c}.xs-cell.answered-marked{background:#6a1b9a;border-color:#1b5e20;box-shadow:inset 0 -4px #2e7d32}.xs-cell.not-answered{background:#c62828;border-color:#9c1f1f}.xs-cell.current{outline-offset:1px;outline:2px solid #111}.xs-cell:disabled{opacity:.5;cursor:not-allowed}.xs-analytics{border:1px solid #b8b8b8}.xs-analytics-head{color:#fff;text-align:center;background:#8e8e8e;padding:4px;font-size:14px;font-weight:700}.xs-analytics-row{color:#111;border-top:1px solid #b8b8b8;justify-content:space-between;align-items:center;gap:8px;font-size:13.5px;display:flex}.xs-analytics-row span{flex:1;padding:7px 10px}.xs-analytics-row b{color:#ef6c00;text-align:center;font-variant-numeric:tabular-nums;border-left:1px solid #b8b8b8;align-self:stretch;width:46px;padding:7px 0}.xs.paused .xs-body{filter:blur(14px);-webkit-user-select:none;user-select:none;pointer-events:none}.xs-paused{z-index:1000;background:#111111e0;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.xs-paused-box{text-align:center;background:#fff;border-radius:6px;flex-direction:column;gap:12px;max-width:380px;padding:28px 30px;display:flex}.xs-paused-title{color:#111;font-size:20px;font-weight:700}.xs-paused-box p{color:#555;margin:0;font-size:14px;line-height:1.6}@media (width<=860px){.xs-top{grid-template-columns:1fr auto auto;row-gap:8px;padding:8px 12px}.xs-title{text-align:left;order:4;grid-column:1/-1;font-size:16px}.xs-tools{align-items:flex-start}.xs-avatar{display:none}.xs-actions{flex-direction:column;align-items:stretch;padding:8px 12px}.xs-actions-right{align-items:stretch}.xs-answered{text-align:left}.xs-btns{justify-content:flex-start}.xs-body,.xs-body.side-collapsed{grid-template-columns:1fr}.xs-side{border-bottom:1px solid #b8b8b8;order:-1;padding:4px 12px 14px}.xs-side.collapsed{padding-bottom:4px}.xs-palette{grid-template-columns:repeat(8,1fr);margin-bottom:14px}.xs-main{padding:10px 12px 40px}.xs-card{min-height:0}}@media (width<=420px){.xs-palette{grid-template-columns:repeat(6,1fr)}.xs-title{font-size:15px}.xs-clock{font-size:14px}}