:root{--bg:#f4f6f8;--surface:#fff;--border:#e2e6ea;--text:#1a2233;--text-muted:#667085;--primary:#1f5e4c;--primary-dark:#163f34;--primary-light:#e6f0ec;--accent:#b8863f;--danger:#b3261e;--danger-bg:#fbeaea;--success:#1f7a4d;--success-bg:#e8f5ee;--warning:#9a6700;--warning-bg:#fdf3d8;--info:#2b5b8c;--info-bg:#eaf2fb;--radius:10px;--shadow:0 1px 2px #1018280f, 0 1px 3px #10182814;font-family:Segoe UI,system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}#root{min-height:100vh}h1,h2,h3,h4{color:var(--text);margin:0 0 .4em;font-weight:600}a{color:var(--primary)}button{font-family:inherit}.app-shell{min-height:100vh;display:flex}.sidebar{background:var(--primary-dark);color:#fff;flex-direction:column;flex-shrink:0;width:240px;padding:20px 16px;display:flex}.sidebar .brand{margin-bottom:4px;font-size:1.15rem;font-weight:700}.sidebar .brand-sub{opacity:.7;margin-bottom:24px;font-size:.75rem}.sidebar nav{flex-direction:column;gap:4px;display:flex}.sidebar nav a{color:#ffffffd9;border-radius:8px;padding:9px 12px;font-size:.92rem;text-decoration:none}.sidebar nav a:hover{background:#ffffff14}.sidebar nav a.active{color:#fff;background:#ffffff29;font-weight:600}.sidebar .user-box{border-top:1px solid #ffffff26;margin-top:auto;padding-top:16px;font-size:.82rem}.sidebar .user-box .role-pill{background:#ffffff26;border-radius:999px;margin:2px 4px 0 0;padding:2px 8px;font-size:.7rem;display:inline-block}.sidebar .logout-btn{color:#fff;cursor:pointer;background:0 0;border:1px solid #ffffff4d;border-radius:8px;width:100%;margin-top:10px;padding:6px 10px}.main-content{flex:1;max-width:1200px;padding:28px 36px}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:20px;display:flex}.page-header p{color:var(--text-muted);margin:4px 0 0;font-size:.92rem}.card{background:var(--surface);border:1px solid 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12px}th{color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em;font-size:.78rem;font-weight:600}tr:last-child td{border-bottom:none}.badge{white-space:nowrap;border-radius:999px;padding:3px 10px;font-size:.75rem;font-weight:600;display:inline-block}.badge.success{background:var(--success-bg);color:var(--success)}.badge.danger{background:var(--danger-bg);color:var(--danger)}.badge.warning{background:var(--warning-bg);color:var(--warning)}.badge.info{background:var(--info-bg);color:var(--info)}.badge.neutral{color:var(--text-muted);background:#eef0f2}.btn{cursor:pointer;border:none;border-radius:8px;align-items:center;gap:6px;padding:9px 16px;font-size:.88rem;font-weight:600;transition:filter .1s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:not(:disabled):hover{filter:brightness(.95)}.btn.primary{background:var(--primary);color:#fff}.btn.danger{background:var(--danger);color:#fff}.btn.secondary{background:var(--primary-light);color:var(--primary-dark)}.btn.ghost{color:var(--primary-dark);border:1px solid var(--border);background:0 0}.btn.sm{padding:6px 12px;font-size:.8rem}.form-group{margin-bottom:14px}.form-group label{color:var(--text);margin-bottom:5px;font-size:.82rem;font-weight:600;display:block}.form-group .hint{color:var(--text-muted);margin-top:4px;font-size:.76rem}input,select,textarea{border:1px solid var(--border);width:100%;color:var(--text);background:#fff;border-radius:8px;padding:9px 11px;font-family:inherit;font-size:.9rem}input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);outline-offset:-1px}.alert{border-radius:8px;margin-bottom:14px;padding:12px 14px;font-size:.88rem}.alert.error{background:var(--danger-bg);color:var(--danger)}.alert.success{background:var(--success-bg);color:var(--success)}.alert.info{background:var(--info-bg);color:var(--info)}.login-shell{background:linear-gradient(135deg, var(--primary-dark), var(--primary));justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--surface);border-radius:14px;width:380px;padding:36px 34px;box-shadow:0 20px 50px #00000040}.demo-accounts{color:var(--text-muted);background:#f7f8f9;border-radius:8px;max-height:160px;margin-top:18px;padding:10px 12px;font-size:.78rem;overflow-y:auto}.demo-accounts button{text-align:left;width:100%;color:var(--primary-dark);cursor:pointer;background:0 0;border:none;padding:4px 0;font-size:.78rem;display:block}.empty-state{color:var(--text-muted);text-align:center;padding:20px 0;font-size:.88rem}.muted{color:var(--text-muted)}.mono{font-family:Cascadia 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