:root{--bg: #f4f5f7;--card: #ffffff;--border: #e3e5ea;--text: #1c1e26;--text-muted: #6b7080;--sidebar-bg: #17181f;--sidebar-text: #b7bac5;--sidebar-active: #2a2c3a;--accent: #4f46e5;--accent-hover: #4338ca;--danger: #dc2626;--success: #16a34a;--warning: #d97706;--radius: 10px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button{font-family:inherit;cursor:pointer}input,select{font-family:inherit}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at top,#1f2130,#0d0e14);padding:16px}.login-card{background:var(--card);padding:40px 32px;border-radius:16px;width:100%;max-width:360px;box-shadow:0 20px 60px #00000059;display:flex;flex-direction:column;gap:14px}.login-logo{font-size:40px;text-align:center}.login-card h1{margin:0;text-align:center;font-size:22px}.login-sub{margin:-8px 0 8px;text-align:center;color:var(--text-muted);font-size:13px}.login-card label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-muted);font-weight:600}.login-card input{padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px}.login-card button{margin-top:8px;padding:11px;border:none;border-radius:var(--radius);background:var(--accent);color:#fff;font-weight:600;font-size:14px}.login-card button:hover{background:var(--accent-hover)}.login-card button:disabled{opacity:.6;cursor:default}.login-error{background:#fef2f2;color:var(--danger);padding:8px 10px;border-radius:8px;font-size:13px}.app-shell{display:flex;min-height:100vh}.sidebar{width:220px;flex-shrink:0;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;padding:20px 14px;position:sticky;top:0;height:100vh}.sidebar-brand{display:flex;align-items:center;gap:8px;font-weight:700;color:#fff;font-size:18px;padding:0 8px 20px}.sidebar-logo{font-size:22px}.sidebar nav{display:flex;flex-direction:column;gap:4px;flex:1}.sidebar nav a{color:var(--sidebar-text);text-decoration:none;padding:10px 12px;border-radius:8px;font-size:14px;font-weight:500}.sidebar nav a:hover{background:var(--sidebar-active);color:#fff}.sidebar nav a.active{background:var(--accent);color:#fff}.sidebar-footer{border-top:1px solid rgba(255,255,255,.08);padding-top:14px;display:flex;flex-direction:column;gap:8px}.sidebar-user{font-size:13px;padding:0 8px;color:#fff;font-weight:600}.content{flex:1;padding:32px 40px;max-width:1100px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-header h1{margin:0 0 4px;font-size:24px}.page-header p{margin:0;color:var(--text-muted);font-size:14px}.btn-primary{background:var(--accent);color:#fff;border:none;padding:10px 16px;border-radius:var(--radius);font-weight:600;font-size:14px}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:transparent;border:1px solid var(--border);color:var(--text);padding:8px 14px;border-radius:var(--radius);font-size:13px;font-weight:600}.sidebar .btn-secondary{border-color:#fff3;color:var(--sidebar-text)}.sidebar .btn-secondary:hover{color:#fff;border-color:#fff6}.btn-link{background:none;border:none;color:var(--accent);font-size:13px;font-weight:600;padding:4px 0}.btn-danger{background:none;border:1px solid #fecaca;color:var(--danger);padding:6px 12px;border-radius:8px;font-size:13px;font-weight:600}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:28px}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px}.stat-card .label{font-size:13px;color:var(--text-muted);font-weight:600}.stat-card .value{font-size:26px;font-weight:700;margin-top:6px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}table{width:100%;border-collapse:collapse;font-size:14px}thead{background:#fafafb}th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--border)}th{font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--text-muted)}tbody tr:last-child td{border-bottom:none}tbody tr.clickable{cursor:pointer}tbody tr.clickable:hover{background:#fafafb}.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600}.badge-success{background:#dcfce7;color:var(--success)}.badge-danger{background:#fee2e2;color:var(--danger)}.badge-warning{background:#fef3c7;color:var(--warning)}.badge-muted{background:#eef0f3;color:var(--text-muted)}.empty-state{padding:40px 20px;text-align:center;color:var(--text-muted);font-size:14px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f101680;display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}.modal{background:var(--card);border-radius:14px;padding:28px;width:100%;max-width:420px;display:flex;flex-direction:column;gap:14px}.modal h2{margin:0;font-size:18px}.modal label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-muted);font-weight:600}.modal input,.modal select{padding:9px 11px;border:1px solid var(--border);border-radius:8px;font-size:14px;color:var(--text)}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:6px}.form-error{background:#fef2f2;color:var(--danger);padding:8px 10px;border-radius:8px;font-size:13px}.form-success{background:#f0fdf4;color:var(--success);padding:10px 12px;border-radius:8px;font-size:13px}.back-link{color:var(--accent);text-decoration:none;font-size:13px;font-weight:600;display:inline-block;margin-bottom:12px}.section-title{font-size:16px;font-weight:700;margin:32px 0 12px}.section-title:first-child{margin-top:0}.credentials-box{background:#eef2ff;border:1px solid #c7d2fe;border-radius:10px;padding:14px 16px;font-size:13px;line-height:1.6}.credentials-box code{background:#fff;padding:2px 6px;border-radius:4px;font-weight:700}