*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg: #0f172a;--bg-card: #1e293b;--bg-input: #334155;--text: #e2e8f0;--text-muted: #94a3b8;--primary: #0ea5e9;--primary-hover: #0284c7;--danger: #ef4444;--success: #22c55e;--warning: #f59e0b;--border: #334155;--radius: 8px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1200px;margin:0 auto;padding:0 20px}.navbar{display:flex;align-items:center;padding:16px 0;border-bottom:1px solid var(--border);margin-bottom:32px}.navbar-brand{font-size:20px;font-weight:700;color:var(--primary);margin-right:auto}.navbar a{margin-left:24px;color:var(--text-muted);font-size:14px}.navbar a:hover{color:var(--text);text-decoration:none}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-danger{background:var(--danger);color:#fff}.btn-small{padding:6px 12px;font-size:12px}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}.btn-outline:hover{border-color:var(--primary);color:var(--primary)}.card{background:var(--bg-card);border-radius:12px;padding:24px;margin-bottom:16px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:6px}input,select,textarea{width:100%;padding:10px 14px;background:var(--bg-input);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);font-size:14px}input:focus,select:focus{outline:none;border-color:var(--primary)}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(auto-fill,minmax(350px,1fr))}.grid-3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.device-item{display:flex;align-items:center;padding:14px 16px;background:var(--bg-card);border-radius:var(--radius);transition:background .2s;cursor:pointer}.device-item:hover{background:var(--bg-input)}.device-dot{width:8px;height:8px;border-radius:50%;margin-right:12px;flex-shrink:0}.device-dot.online{background:var(--success)}.device-dot.offline{background:var(--text-muted)}.device-info{flex:1}.device-hostname{font-weight:500;font-size:14px}.device-meta{font-size:12px;color:var(--text-muted);margin-top:2px}.badge{font-size:11px;padding:2px 8px;border-radius:12px;font-weight:500}.badge-primary{background:var(--primary);color:#fff}.badge-success{background:var(--success);color:#fff}.badge-warning{background:var(--warning);color:#000}.empty-state{text-align:center;padding:40px;color:var(--text-muted)}.hero{text-align:center;padding:80px 0}.hero h1{font-size:48px;margin-bottom:16px}.hero p{font-size:18px;color:var(--text-muted);margin-bottom:32px;max-width:600px;margin-left:auto;margin-right:auto}.table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th{text-align:left;padding:12px 16px;color:var(--text-muted);font-weight:500;border-bottom:1px solid var(--border)}td{padding:12px 16px;border-bottom:1px solid var(--border)}.section-title{font-size:14px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:16px}.error-text{color:var(--danger);font-size:13px;margin-top:8px}.toast-container{position:fixed;top:20px;right:20px;z-index:10000;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:center;gap:10px;padding:12px 20px;border-radius:var(--radius);font-size:14px;min-width:280px;max-width:420px;box-shadow:0 4px 24px #0006;animation:toast-in .3s ease,toast-out .3s ease 3.7s forwards}.toast-success{background:#166534;color:#bbf7d0;border-left:4px solid var(--success)}.toast-error{background:#7f1d1d;color:#fecaca;border-left:4px solid var(--danger)}.toast-info{background:#1e3a5f;color:#bae6fd;border-left:4px solid var(--primary)}.toast-warning{background:#713f12;color:#fef08a;border-left:4px solid var(--warning)}.toast-close{margin-left:auto;background:none;border:none;color:inherit;cursor:pointer;opacity:.6;font-size:18px;line-height:1;padding:0 4px}.toast-close:hover{opacity:1}@keyframes toast-in{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes toast-out{0%{opacity:1}to{opacity:0;transform:translateY(-10px)}}@media(max-width:768px){.container{padding:0 12px}.navbar{flex-wrap:wrap;gap:8px;padding:12px 0;margin-bottom:20px}.navbar-brand{width:100%;text-align:center;margin-right:0}.navbar a{margin-left:0;font-size:13px}.hero h1{font-size:28px}.hero p{font-size:15px}.hero{padding:40px 0}.grid-2,.grid-3{grid-template-columns:1fr}.card{padding:16px}table{font-size:12px}th,td{padding:8px 10px}.btn{padding:8px 16px;font-size:13px}.toast-container{top:12px;right:12px;left:12px}.toast{min-width:0;max-width:none}}@media(max-width:480px){.hero h1{font-size:24px}.badge{font-size:10px;padding:2px 6px}.device-item{padding:10px 12px}.device-hostname{font-size:13px}.device-meta{font-size:11px}}