.cp{background:var(--bg-primary);min-height:100dvh;color:var(--text-primary)}.cp-top{z-index:20;background:var(--bg-secondary);border-bottom:1px solid var(--border);align-items:center;gap:18px;height:60px;padding:0 clamp(14px,3vw,28px);display:flex;position:sticky;top:0}.cp-brand{color:var(--text-primary);white-space:nowrap;align-items:center;gap:10px;font-size:16px;text-decoration:none;display:inline-flex}.cp-brand b{color:var(--cp-accent)}.cp-nav{scrollbar-width:none;gap:4px;display:flex;overflow-x:auto}.cp-nav a{color:var(--text-secondary);white-space:nowrap;border-radius:9px;padding:8px 12px;font-size:14px;font-weight:600;text-decoration:none}.cp-nav a:hover{background:var(--bg-hover);color:var(--text-primary)}.cp-grow{flex:1}.cp-user{align-items:center;gap:10px;min-width:0;font-size:14px;display:inline-flex}.cp-name{text-overflow:ellipsis;white-space:nowrap;max-width:180px;color:var(--text-secondary);overflow:hidden}.cp-role{border-radius:999px;padding:3px 9px;font-size:12px;font-weight:800}.cp-role-admin{color:#6d28d9;background:#7c3aed24}.cp-role-educator{color:#1d4ed8;background:#2563eb24}.cp-role-student{color:#15803d;background:#16a34a24}.cp-main{max-width:1240px;margin:0 auto;padding:clamp(18px,3vw,32px) clamp(14px,3vw,28px) 64px}.cp-btn{border:1px solid var(--border-bold,var(--border));background:var(--bg-secondary);min-height:38px;color:var(--text-primary);cursor:pointer;white-space:nowrap;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:0 16px;font:600 14px/1 inherit;text-decoration:none;display:inline-flex}.cp-btn:hover:not(:disabled){background:var(--bg-hover)}.cp-btn:disabled{opacity:.55;cursor:default}.cp-btn.primary{background:var(--cp-accent);border-color:var(--cp-accent);color:#fff}.cp-btn.primary:hover:not(:disabled){filter:brightness(.94);background:var(--cp-accent)}.cp-btn.ghost{background:0 0;border-color:#0000}.cp-h1{letter-spacing:-.02em;margin:0;font-size:clamp(24px,3vw,32px);font-weight:800}.cp-sub{color:var(--text-secondary);margin:6px 0 0}.cp-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:22px;display:flex}.cp-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:14px}.cp-pad{padding:18px 20px}.cp-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;display:grid}.cp-tile{color:inherit;padding:18px;text-decoration:none;transition:border-color .15s,transform .15s;display:block}.cp-tile:hover{border-color:var(--cp-accent);transform:translateY(-1px)}.cp-tile h3{margin:0 0 6px;font-size:17px}.cp-muted{color:var(--text-secondary);font-size:14px}.cp-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.cp-empty{text-align:center;padding:56px 20px}.cp-empty h2{margin:0 0 8px}.cp-empty p{color:var(--text-secondary);margin:0 0 18px}.cp-alert{color:#b91c1c;background:#ef44441a;border-radius:10px;margin-bottom:14px;padding:12px 14px;font-size:14px}.cp-table{border-collapse:collapse;width:100%;font-size:14px}.cp-table th{text-align:left;color:var(--text-secondary);border-bottom:1px solid var(--border);white-space:nowrap;padding:10px 12px;font-size:12px;font-weight:700}.cp-table td{border-bottom:1px solid var(--border);padding:12px}.cp-table tr:hover td{background:var(--bg-hover)}.cp-table a{color:var(--text-primary);font-weight:600;text-decoration:none}.cp-table a:hover{color:var(--cp-accent)}.cp-diff{border-radius:999px;padding:2px 9px;font-size:12px;font-weight:700;display:inline-block}.cp-diff.easy{color:#15803d;background:#16a34a21}.cp-diff.medium{color:#a16207;background:#eab30829}.cp-diff.hard{color:#b91c1c;background:#ef444421}.cp-tag{background:var(--bg-hover);color:var(--text-secondary);border-radius:6px;padding:2px 8px;font-size:12px;display:inline-block}.cp-field{gap:6px;margin-bottom:14px;display:grid}.cp-field>span{color:var(--text-secondary);font-size:13px;font-weight:600}.cp-input,.cp-textarea,.cp-select{border:1px solid var(--border-bold,var(--border));background:var(--bg-secondary);width:100%;color:var(--text-primary);font:inherit;box-sizing:border-box;border-radius:10px;padding:10px 12px;font-size:15px}.cp-textarea{resize:vertical;min-height:120px;font-family:inherit}.cp-mono{font-family:JetBrains Mono,ui-monospace,monospace;font-size:13.5px}.cp-input:focus,.cp-textarea:focus,.cp-select:focus{outline:2px solid var(--cp-accent);outline-offset:1px}.cp-solve{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);align-items:start;gap:16px;display:grid}.cp-statement{max-height:calc(100dvh - 120px);padding:22px;position:sticky;top:76px;overflow:auto}.cp-statement h1{margin:0 0 10px;font-size:24px}.cp-statement h3{margin:22px 0 8px;font-size:15px}.cp-statement .cp-text{white-space:pre-wrap;font-size:15px;line-height:1.65}.cp-pre{background:var(--bg-hover);white-space:pre-wrap;word-break:break-word;border-radius:10px;margin:0;padding:12px 14px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:13.5px}.cp-editor{flex-direction:column;display:flex;overflow:hidden}.cp-editor-bar{border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:10px;padding:10px 12px;display:flex}.cp-editor-box{height:min(56vh,560px)}.cp-results{border-top:1px solid var(--border);max-height:360px;padding:14px 16px;overflow:auto}.cp-verdict{font-size:17px;font-weight:800}.cp-verdict.ok{color:#15803d}.cp-verdict.bad{color:#b91c1c}.cp-verdict.mid{color:#a16207}.cp-tests{flex-wrap:wrap;gap:6px;margin:10px 0;display:flex}.cp-test{border-radius:8px;padding:4px 10px;font-size:12.5px;font-weight:700}.cp-test.pass{color:#15803d;background:#16a34a24}.cp-test.fail{color:#b91c1c;background:#ef444424}.cp-hint{border:1px dashed var(--cp-accent);background:color-mix(in srgb, var(--cp-accent) 6%, transparent);white-space:pre-wrap;border-radius:10px;margin-top:10px;padding:12px 14px;font-size:14px;line-height:1.55}.cp-countdown{font-family:JetBrains Mono,ui-monospace,monospace;font-size:20px;font-weight:800}@media (max-width:900px){.cp-solve{grid-template-columns:minmax(0,1fr)}.cp-statement{max-height:none;position:static}.cp-editor-box{height:420px}.cp-name{display:none}}@media (max-width:640px){.cp-top{gap:10px}.cp-brand span{display:none}.cp-table th,.cp-table td{padding:10px 8px}}@media (max-width:900px){.cp-set-grid{grid-template-columns:minmax(0,1fr)!important}}