:root{color-scheme:dark;--bg: #0b0d12;--panel: #151822;--border: #262b3a;--text: #e6e8ef;--muted: #9aa1b2;--accent: #22c55e;--danger: #ef4444;--warning: #f59e0b;font-family:system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--accent)}button{font-family:inherit;font-size:14px}.btn{background:var(--accent);color:#04140a;border:none;border-radius:8px;padding:8px 16px;cursor:pointer;font-weight:600}.btn.secondary{background:transparent;color:var(--text);border:1px solid var(--border)}.btn.danger{background:var(--danger);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{background:var(--panel);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:8px 10px;font-family:inherit}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}.layout{display:flex;min-height:100vh}.sidebar{width:220px;border-right:1px solid var(--border);padding:16px;flex-shrink:0}.content{flex:1;padding:24px;max-width:1200px}.grid{display:grid;gap:16px}.grid.cols-4{grid-template-columns:repeat(4,1fr)}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--border);font-size:14px}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600}.badge.valid{background:#14532d;color:#86efac}.badge.rejected{background:#450a0a;color:#fca5a5}.badge.pending{background:#422006;color:#fcd34d}.severity-critical{border-left:4px solid var(--danger)}.severity-warning{border-left:4px solid var(--warning)}.severity-info{border-left:4px solid var(--muted)}.empty-state{text-align:center;padding:48px 16px;color:var(--muted)}