:root{--bg: #0f1419;--panel: #1a2129;--border: #2a3340;--text: #e6edf3;--muted: #8b98a5;--accent: #2f81f7;--green: #2ea043;--red: #f85149}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px}a{color:var(--accent);text-decoration:none}.layout{display:flex;min-height:100vh}.sidebar{width:210px;background:var(--panel);border-right:1px solid var(--border);padding:16px}.sidebar h1{font-size:15px;margin:0 0 4px}.sidebar .sub{color:var(--muted);font-size:12px;margin-bottom:20px}.nav a{display:block;padding:9px 12px;border-radius:6px;color:var(--text);margin-bottom:3px}.nav a.active,.nav a:hover{background:#243140}.main{flex:1;padding:24px 28px;overflow:auto}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.card{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:18px;margin-bottom:16px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px}.stat{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:16px}.stat .v{font-size:28px;font-weight:600}.stat .l{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:500;font-size:12px}input,select,button{font:inherit;padding:8px 10px;border-radius:6px;border:1px solid var(--border);background:#0d1117;color:var(--text)}button{background:var(--accent);border:none;cursor:pointer}button:hover{opacity:.9}button.ghost{background:transparent;border:1px solid var(--border)}button.danger{background:var(--red)}.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.login-wrap{display:flex;height:100vh;align-items:center;justify-content:center}.login-card{width:320px}.login-card input{width:100%;margin-bottom:10px}.err{color:var(--red);font-size:13px}.badge{padding:2px 8px;border-radius:10px;font-size:11px;background:#243140}.badge.assigned{background:#14361f;color:var(--green)}