:root{--bg-color: #f5f5f5;--card-bg: #ffffff;--text-main: #333333;--text-secondary: #666666;--border-color: #e0e0e0;--primary-color: #5c6bc0;--primary-hover: #3f51b5;--danger-color: #e57373;--success-color: #81c784;--warning-color: #ffb74d}body{margin:0;font-family:Segoe UI,Roboto,sans-serif;background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased}#root{display:flex;flex-direction:column;min-height:100vh}.app-container{max-width:900px;margin:2rem auto;padding:0 1rem;width:100%;box-sizing:border-box}.auth-container{display:flex;justify-content:center;align-items:center;height:100vh}.auth-card{background:var(--card-bg);padding:2.5rem;border-radius:8px;box-shadow:0 4px 6px #0000001a;width:100%;max-width:400px;text-align:center}.auth-card h2{margin-bottom:2rem;color:var(--primary-color)}.auth-card input{width:100%;padding:10px;margin-bottom:1rem;border:1px solid var(--border-color);border-radius:4px;box-sizing:border-box;font-size:1rem}.auth-card input:focus{border-color:var(--primary-color);outline:none}.auth-card button{width:100%;padding:12px;background-color:var(--primary-color);color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:1rem;transition:background-color .2s}.auth-card button:hover{background-color:var(--primary-hover)}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.dashboard-header h1{margin:0;color:var(--text-main)}.dashboard-header .admin-badge{background-color:var(--warning-color);color:#fff;padding:4px 8px;border-radius:4px;font-size:.8rem;margin-left:10px;vertical-align:middle}.tabs-nav{display:flex;border-bottom:1px solid var(--border-color);margin-bottom:2rem}.tabs-nav button{background:none;border:none;padding:10px 20px;cursor:pointer;font-size:1rem;color:var(--text-secondary);border-bottom:2px solid transparent}.tabs-nav button.active{color:var(--primary-color);border-bottom-color:var(--primary-color);font-weight:600}.tabs-nav button:hover:not(.active){color:var(--text-main)}.status-strip{display:flex;align-items:center;justify-content:space-between;background:var(--card-bg);padding:1rem 1.5rem;border-radius:6px;border:1px solid var(--border-color);margin-bottom:1.5rem;box-shadow:0 1px 3px #0000000d}.status-strip .status-indicator{display:flex;align-items:center;gap:10px;font-weight:500;font-size:1.1rem}.status-strip .status-indicator .dot{width:12px;height:12px;border-radius:50%}.status-strip .status-indicator .dot.up{background-color:var(--success-color)}.status-strip .status-indicator .dot.down{background-color:var(--danger-color)}.status-strip .controls{display:flex;gap:1rem}.btn{padding:8px 16px;border-radius:4px;border:none;cursor:pointer;font-weight:500;transition:opacity .2s}.btn:hover{opacity:.9}.btn.primary{background-color:var(--primary-color);color:#fff}.btn.danger{background-color:var(--danger-color);color:#fff}.btn.secondary{background-color:#e0e0e0;color:#333}.log-viewer{background:#1e1e1e;color:#d4d4d4;padding:1rem;border-radius:6px;font-family:Consolas,monospace;font-size:.9rem;height:400px;overflow-y:auto;white-space:pre-wrap;margin-bottom:2rem;border:1px solid #333}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content{background:var(--card-bg);padding:2rem;border-radius:8px;width:100%;max-width:500px;box-shadow:0 10px 25px #0000001a}.modal-content h3{margin-top:0}.modal-content .form-group{margin-bottom:1rem}.modal-content .form-group label{display:block;margin-bottom:.5rem;color:var(--text-secondary)}.modal-content .form-group input{width:100%;padding:8px;border:1px solid var(--border-color);border-radius:4px}.modal-content .form-group .error{color:var(--danger-color);font-size:.8em;margin-top:5px}.modal-content .modal-actions{display:flex;justify-content:flex-end;gap:1rem;margin-top:1.5rem}.user-list{width:100%;border-collapse:separate;border-spacing:0;background:var(--card-bg);border-radius:8px;overflow:hidden;box-shadow:0 1px 3px #0000000d;margin-top:1rem}.user-list thead{background-color:#f8f9fa}.user-list thead tr{text-align:left}.user-list th{padding:16px;font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);border-bottom:2px solid var(--border-color)}.user-list td{padding:16px;border-bottom:1px solid var(--border-color);font-size:.95rem;vertical-align:middle;color:var(--text-main)}.user-list tbody tr{transition:background-color .2s ease}.user-list tbody tr:last-child td{border-bottom:none}.user-list tbody tr:hover{background-color:#fcfcfc}.admin-actions{display:flex;gap:1.5rem;align-items:flex-end;background:#fafafa;padding:1.5rem;border-radius:8px;border:1px solid var(--border-color)}.admin-actions .form-group{flex:1;margin-bottom:0}.admin-actions .form-group input{width:100%;padding:10px 12px;font-size:.95rem;border:1px solid #ddd;border-radius:6px;transition:all .2s}.admin-actions .form-group input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #5c6bc01a}.admin-actions button{height:42px;padding:0 24px;white-space:nowrap;font-weight:600}