:root{--bg: #0B0F1A;--bg-elev: #131826;--bg-elev-2: #1A2032;--border: rgba(255, 255, 255, .08);--border-strong: rgba(255, 255, 255, .16);--text: #F5F7FA;--text-dim: #9AA3B8;--text-mute: #6B7385;--accent: #7C5CFF;--accent-2: #4A8FFF;--success: #10B981;--warning: #F59E0B;--danger: #EF4444;--gray: #6B7280}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px;-webkit-font-smoothing:antialiased}a{color:var(--accent-2);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer;border:none}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;padding:10px 18px;border-radius:10px;font-weight:600;transition:transform .1s,opacity .2s}.btn-primary:hover{transform:translateY(-1px)}.btn-primary:active{transform:translateY(0);opacity:.85}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-ghost{background:transparent;color:var(--text-dim);padding:8px 14px;border-radius:8px;border:1px solid var(--border)}.btn-ghost:hover{color:var(--text);background:var(--bg-elev)}.input{background:var(--bg-elev);border:1px solid var(--border);color:var(--text);padding:10px 14px;border-radius:10px;font:inherit;width:100%;outline:none;transition:border-color .15s}.input:focus{border-color:var(--accent)}.app-shell{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--bg-elev);border-right:1px solid var(--border);padding:20px 12px;display:flex;flex-direction:column;gap:4px}.sidebar-brand{font-size:18px;font-weight:700;padding:8px 12px 18px;background:linear-gradient(135deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}.nav-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:var(--text-dim);font-weight:500}.nav-link:hover{background:var(--bg-elev-2);color:var(--text);text-decoration:none}.nav-link.active{background:var(--bg-elev-2);color:var(--text)}.main{flex:1;padding:28px 36px;min-width:0;overflow-x:hidden}.page-title{font-size:22px;font-weight:700;margin:0 0 18px}.page-subtitle{color:var(--text-dim);margin:-10px 0 22px;font-size:13px}.card{background:var(--bg-elev);border:1px solid var(--border);border-radius:14px;padding:18px}.card-title{font-size:13px;font-weight:600;color:var(--text-dim);margin:0 0 12px;text-transform:uppercase;letter-spacing:.04em}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width: 600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.stat-tile{background:var(--bg-elev);border:1px solid var(--border);border-radius:14px;padding:18px}.stat-label{font-size:12px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em;font-weight:600}.stat-value{font-size:28px;font-weight:700;margin-top:6px}.stat-sub{margin-top:6px;font-size:12px;color:var(--text-mute)}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}.table th{font-size:11px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em;font-weight:600}.table tr:last-child td{border-bottom:none}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.03em}.badge.ai_generated{background:#ef444426;color:#fca5a5}.badge.possibly_ai{background:#f59e0b26;color:#fcd34d}.badge.human_generated{background:#10b98126;color:#6ee7b7}.badge.unverified{background:#6b728033;color:#d1d5db}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:radial-gradient(ellipse at top,rgba(124,92,255,.15),transparent 60%),var(--bg)}.login-card{width:100%;max-width:380px;background:var(--bg-elev);border:1px solid var(--border);border-radius:16px;padding:28px}.login-title{font-size:22px;font-weight:700;margin:0 0 6px}.login-sub{color:var(--text-dim);margin:0 0 22px;font-size:13px}.login-field{margin-bottom:12px}.login-field label{display:block;font-size:12px;color:var(--text-dim);margin-bottom:6px;font-weight:600}.login-error{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:#fca5a5;padding:10px 12px;border-radius:8px;font-size:13px;margin-bottom:12px}.loader{display:inline-block;width:14px;height:14px;border:2px solid var(--border-strong);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.center-loader{display:flex;align-items:center;justify-content:center;padding:60px 0;color:var(--text-dim)}