*{margin:0;padding:0;box-sizing:border-box}body{font-family:system-ui,-apple-system,sans-serif;background-color:#0f172a;color:#e2e8f0;min-height:100vh}#root{min-height:100vh}.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#0f172a,#1e293b)}.login-card{background:#1e293b;border:1px solid #334155;border-radius:12px;padding:2.5rem;width:100%;max-width:400px}.login-card h1{font-size:1.8rem;color:#38bdf8;margin-bottom:.25rem}.login-card .subtitle{color:#94a3b8;margin-bottom:2rem;font-size:.9rem}.login-card form{display:flex;flex-direction:column;gap:1rem}.login-card input{padding:.75rem 1rem;border-radius:8px;border:1px solid #334155;background:#0f172a;color:#e2e8f0;font-size:1rem;outline:none}.login-card input:focus{border-color:#38bdf8}.login-card button{padding:.75rem;border-radius:8px;border:none;background:#38bdf8;color:#0f172a;font-size:1rem;font-weight:600;cursor:pointer;margin-top:.5rem}.login-card button:hover{background:#7dd3fc}.login-card button:disabled{opacity:.6;cursor:not-allowed}.error{color:#f87171;font-size:.85rem}.toggle{text-align:center;margin-top:1.5rem;color:#38bdf8;cursor:pointer;font-size:.9rem}.toggle:hover{text-decoration:underline}.monitor-card{background:#1e293b;border:1px solid #334155;border-radius:10px;padding:1.25rem;display:flex;justify-content:space-between;align-items:center;border-left:4px solid #334155}.monitor-card.up{border-left-color:#4ade80}.monitor-card.down{border-left-color:#f87171}.monitor-card.pending{border-left-color:#fbbf24}.monitor-info{flex:1}.monitor-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.25rem}.monitor-header h3{font-size:1.1rem;color:#f1f5f9}.status-dot{width:10px;height:10px;border-radius:50%;background:#334155}.status-dot.up{background:#4ade80;box-shadow:0 0 6px #4ade80}.status-dot.down{background:#f87171;box-shadow:0 0 6px #f87171}.status-dot.pending{background:#fbbf24}.status-badge{font-size:.7rem;font-weight:600;padding:.15rem .5rem;border-radius:999px;text-transform:uppercase}.status-badge.up{background:#4ade8026;color:#4ade80}.status-badge.down{background:#f8717126;color:#f87171}.status-badge.pending{background:#fbbf2426;color:#fbbf24}.monitor-url{color:#64748b;font-size:.85rem;margin-bottom:.25rem}.monitor-meta{color:#475569;font-size:.8rem}.btn-delete{padding:.4rem .8rem;border-radius:6px;border:1px solid #475569;background:transparent;color:#94a3b8;cursor:pointer;font-size:.8rem}.btn-delete:hover{border-color:#f87171;color:#f87171}.add-monitor-overlay{position:fixed;inset:0;background:#0009;display:flex;justify-content:center;align-items:center;z-index:10}.add-monitor-modal{background:#1e293b;border:1px solid #334155;border-radius:12px;padding:2rem;width:100%;max-width:420px}.add-monitor-modal h2{color:#f1f5f9;margin-bottom:1.5rem;font-size:1.3rem}.add-monitor-modal form{display:flex;flex-direction:column;gap:1rem}.add-monitor-modal input{padding:.75rem 1rem;border-radius:8px;border:1px solid #334155;background:#0f172a;color:#e2e8f0;font-size:1rem;outline:none}.add-monitor-modal input:focus{border-color:#38bdf8}.modal-actions{display:flex;gap:.75rem;justify-content:flex-end;margin-top:.5rem}.btn-cancel{padding:.5rem 1rem;border-radius:8px;border:1px solid #475569;background:transparent;color:#94a3b8;cursor:pointer}.btn-submit{padding:.5rem 1.5rem;border-radius:8px;border:none;background:#38bdf8;color:#0f172a;font-weight:600;cursor:pointer}.btn-submit:hover{background:#7dd3fc}.dashboard{max-width:900px;margin:0 auto;padding:2rem 1rem}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid #334155}.dashboard-header h1{font-size:1.5rem;color:#38bdf8}.header-subtitle{color:#94a3b8;font-size:.85rem;margin-top:.25rem}.header-actions{display:flex;gap:.75rem}.btn-add{padding:.5rem 1rem;border-radius:8px;border:none;background:#38bdf8;color:#0f172a;font-weight:600;cursor:pointer}.btn-add:hover{background:#7dd3fc}.btn-logout{padding:.5rem 1rem;border-radius:8px;border:1px solid #475569;background:transparent;color:#94a3b8;cursor:pointer}.btn-logout:hover{border-color:#f87171;color:#f87171}.monitors-grid{display:flex;flex-direction:column;gap:1rem}.loading,.empty{text-align:center;color:#94a3b8;padding:3rem}.app{min-height:100vh}