:root{--bg-primary: #09090b;--bg-secondary: #121316;--bg-tertiary: #18191e;--bg-card: #111215;--bg-elevated: #16181d;--bg-accent-subtle: #1c1d22;--border-subtle: #1f2128;--border-default: #272a34;--border-strong: #3d4251;--border-accent: #d4af37;--text-primary: #f5f5f7;--text-secondary: #9ca3af;--text-muted: #6b7280;--text-gold: #e5c07b;--danger-bg: #200f12;--danger-border: #7f1d1d;--danger-text: #f87171;--danger-solid: #dc2626;--success-bg: #091a13;--success-border: #065f46;--success-text: #34d399;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace}*,*:before,*:after{box-sizing:border-box;box-shadow:none!important;-webkit-box-shadow:none!important;text-shadow:none!important}html,body{margin:0;padding:0;background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5;min-height:100vh;overflow-x:hidden}.anti-cheat-protected{user-select:none!important;-webkit-user-select:none!important;-moz-user-select:none!important;-ms-user-select:none!important}.exam-content-blurred{filter:blur(40px) brightness(.15) contrast(.5)!important;pointer-events:none!important;-webkit-user-select:none!important;user-select:none!important;transition:filter .05s ease-out}.dynamic-watermark-layer{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:999;overflow:hidden;opacity:.18}h1,h2,h3,h4,h5,h6{font-weight:500;letter-spacing:-.02em;color:var(--text-primary);margin:0}p{margin:0}input,textarea,select{font-family:var(--font-sans);background-color:var(--bg-secondary);border:1px solid var(--border-default);color:var(--text-primary);padding:10px 14px;font-size:14px;outline:none;transition:border-color .15s ease,background-color .15s ease;border-radius:0}input:focus,textarea:focus,select:focus{border-color:var(--text-gold);background-color:var(--bg-tertiary)}button{font-family:var(--font-sans);cursor:pointer;border-radius:0;border:1px solid var(--border-default);background:var(--bg-secondary);color:var(--text-primary);padding:9px 18px;font-size:13px;font-weight:500;letter-spacing:.02em;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:all .15s ease}button:hover:not(:disabled){background:var(--bg-tertiary);border-color:var(--border-strong);color:#fff}button:disabled{opacity:.4;cursor:not-allowed}button.btn-primary{background:#fff;color:#000;border-color:#fff;font-weight:600}button.btn-primary:hover:not(:disabled){background:#e5e5e7;border-color:#e5e5e7;color:#000}button.btn-gold{background:var(--border-accent);color:#000;border-color:var(--border-accent);font-weight:600}button.btn-gold:hover:not(:disabled){background:#e2c974;border-color:#e2c974;color:#000}button.btn-danger{background:var(--danger-bg);border-color:var(--danger-border);color:var(--danger-text)}button.btn-danger:hover:not(:disabled){background:#2d1318;border-color:var(--danger-solid)}.badge{display:inline-flex;align-items:center;padding:2px 8px;font-size:11px;font-family:var(--font-mono);font-weight:500;letter-spacing:.04em;text-transform:uppercase;border:1px solid var(--border-default);background:var(--bg-tertiary);color:var(--text-secondary)}.badge-gold{border-color:#d4af3766;color:var(--text-gold);background:#d4af3714}.badge-danger{border-color:var(--danger-border);color:var(--danger-text);background:var(--danger-bg)}.badge-success{border-color:var(--success-border);color:var(--success-text);background:var(--success-bg)}.border-line{height:1px;background-color:var(--border-subtle);width:100%}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:0}::-webkit-scrollbar-thumb:hover{background:var(--border-strong)}