:root{--bg: #0f1117;--bg-card: #1a1d27;--bg-hover: #222534;--border: #2a2d3e;--text: #e2e8f0;--text-muted: #8892a4;--primary: #6366f1;--primary-hover: #5254cc;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--radius: 8px;--shadow: 0 2px 8px rgba(0,0,0,.4)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;font-size:14px}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;border-radius:var(--radius);font-size:14px;font-weight:500;padding:8px 16px;transition:background .15s,opacity .15s}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-ghost:hover:not(:disabled){background:var(--bg-hover);color:var(--text)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:500}.badge-success{background:#22c55e26;color:var(--success)}.badge-warning{background:#f59e0b26;color:var(--warning)}.badge-danger{background:#ef444426;color:var(--danger)}.badge-muted{background:#8892a426;color:var(--text-muted)}.badge-primary{background:#6366f126;color:var(--primary)}input,select,textarea{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:14px;padding:8px 12px;width:100%;outline:none;transition:border-color .15s}input:focus,select:focus,textarea:focus{border-color:var(--primary)}label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:4px}.form-group{margin-bottom:16px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-header h1{font-size:22px;font-weight:600}table{width:100%;border-collapse:collapse}thead tr{border-bottom:1px solid var(--border)}th{text-align:left;padding:10px 12px;font-size:12px;text-transform:uppercase;color:var(--text-muted);font-weight:600}td{padding:12px;border-bottom:1px solid var(--border)}tr:last-child td{border-bottom:none}tbody tr:hover{background:var(--bg-hover)}.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted)}.empty-state svg{margin-bottom:12px;opacity:.4}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;width:100%;max-width:540px;max-height:90vh;overflow-y:auto}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.modal-header h2{font-size:18px;font-weight:600}.modal-footer{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.stat-card .label{font-size:12px;color:var(--text-muted);text-transform:uppercase;margin-bottom:4px}.stat-card .value{font-size:28px;font-weight:700}.sidebar-nav a{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius);color:var(--text-muted);font-weight:500}.sidebar-nav a:hover{background:var(--bg-hover);color:var(--text);text-decoration:none}.sidebar-nav a.active{background:#6366f126;color:var(--primary)}.progress-bar-wrap{background:var(--bg);border-radius:4px;height:6px;overflow:hidden}.progress-bar-fill{height:100%;background:var(--primary);border-radius:4px;transition:width .3s}.alert{padding:12px 16px;border-radius:var(--radius);font-size:14px;margin-bottom:16px}.alert-error{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:#f87171}.alert-success{background:#22c55e1a;border:1px solid rgba(34,197,94,.3);color:#4ade80}.alert-info{background:#6366f11a;border:1px solid rgba(99,102,241,.3);color:#818cf8}