:root{--bg-primary: #0b0c10;--bg-secondary: #12131a;--bg-card: #171926;--text-primary: #e8eaed;--text-secondary: #9aa0b2;--accent: #ef4444;--accent-hover: #f87171;--accent-rgb: 239, 68, 68;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;--border: #26293a;--radius: 10px;--sidebar-w: 240px;--font: "Inter", -apple-system, BlinkMacSystemFont, sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-w);background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-brand{padding:24px 20px;font-size:1.3rem;font-weight:700;border-bottom:1px solid var(--border);background:linear-gradient(135deg,var(--accent) 0%,var(--accent-hover) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.sidebar nav{flex:1;padding:12px 0}.nav-link{display:block;padding:12px 20px;color:var(--text-secondary);text-decoration:none;font-size:.9rem;transition:all .2s;border-left:3px solid transparent}.nav-link:hover{color:var(--text-primary);background:rgba(var(--accent-rgb),.08)}.nav-link.active{color:var(--accent);background:rgba(var(--accent-rgb),.12);border-left-color:var(--accent);font-weight:600}.sidebar-footer{padding:16px 20px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:8px;font-size:.8rem;color:var(--text-secondary)}.main-content{margin-left:var(--sidebar-w);flex:1;padding:32px 40px}h1{font-size:1.9rem;font-weight:700;margin-bottom:24px}h2{font-size:1.25rem;font-weight:600;margin:20px 0 12px}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:32px}.stat-card{background:var(--bg-card);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:8px;transition:transform .15s}.stat-card:hover{transform:translateY(-2px)}.stat-label{font-size:.82rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.stat-value{font-size:2rem;font-weight:700}.data-table{width:100%;border-collapse:collapse;background:var(--bg-card);border-radius:var(--radius);overflow:hidden}.data-table th{text-align:left;padding:12px 16px;font-size:.78rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);border-bottom:1px solid var(--border);background:var(--bg-secondary)}.data-table td{padding:12px 16px;font-size:.93rem;border-bottom:1px solid var(--border)}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:rgba(var(--accent-rgb),.04)}.data-table code{background:rgba(var(--accent-rgb),.14);padding:2px 6px;border-radius:4px;font-size:.82rem}.data-table pre{font-size:.78rem;max-width:300px;overflow-x:auto;white-space:pre-wrap}.truncate{max-width:200px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.76rem;font-weight:600;background:rgba(var(--accent-rgb),.14);color:var(--accent)}.badge-super_admin{background:#a855f726;color:#a855f7}.badge-admin{background:#06b6d426;color:#06b6d4}.badge-user{background:#22c55e26;color:var(--success)}.btn-primary{padding:10px 20px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-weight:600;cursor:pointer;transition:background .2s}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-sm{padding:5px 12px;background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border);border-radius:6px;font-size:.86rem;cursor:pointer;margin-right:6px;transition:all .2s}.btn-sm:hover{border-color:var(--accent);color:var(--accent)}.btn-danger{border-color:var(--danger);color:var(--danger)}.btn-danger:hover{background:#ef44441a}.main-content input,.main-content textarea,.main-content select{font-family:var(--font)}.main-content input,.main-content textarea{padding:10px 14px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:.95rem;outline:none;transition:border .2s}.main-content textarea{min-height:110px;resize:vertical}.main-content input:focus,.main-content textarea:focus{border-color:var(--accent)}.form-card{background:var(--bg-card);border-radius:var(--radius);padding:24px;margin-bottom:24px}.form-grid{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.form-grid input,.search-bar input{padding:10px 14px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:.95rem;outline:none;transition:border .2s}.form-grid input:focus,.search-bar input:focus{border-color:var(--accent)}.search-bar{display:flex;gap:12px;margin-bottom:24px}.search-bar input{flex:1;max-width:400px}select{padding:6px 10px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:.9rem}label{font-size:.92rem;color:var(--text-secondary);display:flex;align-items:center;gap:6px}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 20% 10%,rgba(var(--accent-rgb),.18),transparent 45%),linear-gradient(135deg,var(--bg-primary) 0%,#120a0a 50%,var(--bg-primary) 100%)}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:40px;width:100%;max-width:380px;text-align:center}.login-card h1{font-size:2rem;margin-bottom:4px;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-hover) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.login-card p{color:var(--text-secondary);margin-bottom:28px}.login-card form{display:flex;flex-direction:column;gap:14px}.login-card input{padding:12px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:10px;color:var(--text-primary);font-size:.92rem;outline:none;transition:border .2s}.login-card input:focus{border-color:var(--accent)}.error-msg{color:var(--danger);font-size:.84rem}.loading{padding:40px;text-align:center;color:var(--text-secondary)}.mqtt-control-center{display:flex;flex-direction:column;gap:16px}.mqtt-page-header{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.mqtt-subtext{color:var(--text-secondary);font-size:.92rem}.mqtt-header-actions{display:flex;align-items:center;gap:10px}.mqtt-readonly-banner{background:#f59e0b24;border:1px solid rgba(245,158,11,.4);color:#fbbf24;border-radius:8px;padding:10px 12px;font-size:.85rem}.mqtt-tabs{display:flex;gap:8px;flex-wrap:wrap}.mqtt-tab{padding:9px 14px;border:1px solid var(--border);background:var(--bg-secondary);color:var(--text-secondary);border-radius:8px;cursor:pointer;font-size:.9rem}.mqtt-tab.active{color:var(--text-primary);background:rgba(var(--accent-rgb),.16);border-color:var(--accent)}.mqtt-content{min-height:420px}.mqtt-tab-stack{display:flex;flex-direction:column;gap:16px}.mqtt-panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.mqtt-panel-title{font-size:1rem;font-weight:600;margin-bottom:12px}.mqtt-chart-panel{min-height:260px}.mqtt-chart-box{width:100%;height:280px}.mqtt-metric-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}.mqtt-metric-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px}.mqtt-accent-success{border-left:3px solid var(--success)}.mqtt-accent-warning{border-left:3px solid var(--warning)}.mqtt-accent-danger{border-left:3px solid var(--danger)}.mqtt-metric-label{color:var(--text-secondary);font-size:.8rem;margin-bottom:6px}.mqtt-metric-value{font-size:1.4rem;font-weight:700}.mqtt-mini-chart{margin-top:8px}.mqtt-toolbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:12px}.mqtt-toolbar-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.mqtt-table-meta{color:var(--text-secondary);font-size:.85rem}.mqtt-table-wrap{overflow:auto;max-height:500px;border-radius:10px;border:1px solid var(--border)}.mqtt-traffic-wrap{max-height:560px}.mqtt-sticky-table thead th{position:sticky;top:0;z-index:2}.mqtt-pagination{display:flex;justify-content:flex-end;align-items:center;gap:10px;margin-top:10px}.mqtt-skeleton-row,.mqtt-skeleton-card{background:linear-gradient(90deg,#26293a66,#484e6a66,#26293a66);background-size:200% 100%;animation:mqtt-skeleton 1.4s infinite}.mqtt-skeleton-row{height:16px;border-radius:8px}.mqtt-skeleton-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}.mqtt-skeleton-card{height:120px;border-radius:10px}@keyframes mqtt-skeleton{0%{background-position:200% 0}to{background-position:-200% 0}}.mqtt-connection-pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:999px;padding:6px 10px;font-size:.82rem;text-transform:capitalize}.mqtt-dot{width:8px;height:8px;border-radius:50%;display:inline-block}.mqtt-connected{background:#22c55e}.mqtt-connecting{background:#f59e0b}.mqtt-disconnected{background:#ef4444}.mqtt-msg-cmd{background:#3b82f638;color:#60a5fa}.mqtt-msg-state{background:#22c55e38;color:#4ade80}.mqtt-msg-telemetry{background:#f59e0b3d;color:#fbbf24}.mqtt-msg-alert{background:#ef44443d;color:#f87171}.mqtt-msg-other{background:#94a3b833;color:#cbd5e1}.mqtt-topic-tree{max-height:620px;overflow:auto}.mqtt-topic-node{padding-bottom:8px}.mqtt-topic-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.mqtt-topic-name{font-weight:600;min-width:110px}.mqtt-topic-meta{color:var(--text-secondary);font-size:.8rem}.mqtt-topic-payload{margin:8px 0 6px 40px;padding:10px;border:1px solid var(--border);border-radius:8px;background:var(--bg-secondary)}.mqtt-security-grid{display:grid;gap:14px}.mqtt-info-list{display:grid;gap:6px;margin-bottom:10px}.mqtt-subtitle{font-size:.9rem;font-weight:600;margin:10px 0 8px}.mqtt-chip-wrap{display:flex;gap:8px;flex-wrap:wrap}.mqtt-list{padding-left:18px;color:var(--text-secondary)}.mqtt-system-chart-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.mqtt-settings-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px;margin-bottom:12px}.mqtt-settings-grid label{display:flex;flex-direction:column;align-items:flex-start;gap:6px;color:var(--text-primary)}.mqtt-settings-grid label input[type=checkbox]{margin-right:6px}.mqtt-created-creds{margin-top:12px;border:1px solid var(--border);border-radius:8px;padding:10px;display:grid;gap:6px;background:var(--bg-secondary)}.mqtt-created-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}.mqtt-toast-stack{position:fixed;right:24px;bottom:18px;display:flex;flex-direction:column;gap:8px;z-index:999}.mqtt-toast{padding:10px 12px;border-radius:8px;font-size:.84rem;border:1px solid var(--border);background:var(--bg-secondary)}.mqtt-toast-success{border-color:#22c55e80;color:#4ade80}.mqtt-toast-error{border-color:#ef444480;color:#f87171}.mqtt-toast-info{border-color:#38bdf880;color:#7dd3fc}@media(max-width:880px){.mqtt-page-header{flex-direction:column;align-items:flex-start}.mqtt-header-actions{width:100%;justify-content:space-between}}