*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f172a;--bg2: #1e293b;--bg3: #334155;--border: #334155;--text: #f1f5f9;--text2: #94a3b8;--accent: #6366f1;--accent-hover: #4f46e5;--green: #22c55e;--red: #ef4444;--orange: #f97316;--yellow: #eab308;--radius: 10px;--shadow: 0 4px 24px rgba(0,0,0,.4)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);font-size:14px;min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}button{cursor:pointer;border:none;border-radius:var(--radius);font-size:13px;font-weight:600;padding:8px 18px;transition:opacity .15s}button:hover{opacity:.88}button:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-danger{background:var(--red);color:#fff}.btn-ghost{background:var(--bg3);color:var(--text)}input,select,textarea{background:var(--bg3);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:13px;padding:8px 12px;outline:none;width:100%}input:focus,select:focus,textarea:focus{border-color:var(--accent)}label{font-size:12px;font-weight:600;color:var(--text2);display:block;margin-bottom:4px}.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.badge{display:inline-block;font-size:10px;font-weight:700;padding:2px 8px;border-radius:20px}.badge-purple{background:#312e81;color:#a5b4fc}.badge-blue{background:#1e3a5f;color:#93c5fd}.badge-green{background:#14532d;color:#86efac}.badge-orange{background:#7c2d12;color:#fdba74}.badge-gray{background:var(--bg3);color:var(--text2)}.badge-teal{background:#134e4a;color:#5eead4}.tag-esp8266{background:#1e3a5f;color:#93c5fd}.tag-esp32{background:#312e81;color:#a5b4fc}.tag-esp32c3{background:#14532d;color:#86efac}.tag-esp32s3{background:#134e4a;color:#5eead4}.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}.dot-green{background:var(--green);box-shadow:0 0 6px var(--green)}.dot-red{background:var(--red)}.dot-yellow{background:var(--yellow)}.table{width:100%;border-collapse:collapse}.table th{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text2);text-align:left;padding:8px 12px;border-bottom:1px solid var(--border)}.table td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}.table tr:last-child td{border-bottom:none}.table tr:hover td{background:#ffffff05}.form-row{margin-bottom:14px}.form-actions{display:flex;gap:10px;margin-top:20px}.alert{border-radius:8px;padding:10px 14px;font-size:13px;margin-bottom:14px}.alert-error{background:#450a0a;border:1px solid #991b1b;color:#fca5a5}.alert-success{background:#052e16;border:1px solid #166534;color:#86efac}.alert-info{background:#0c1a3d;border:1px solid #1e40af;color:#93c5fd}.empty-state{text-align:center;padding:48px 20px;color:var(--text2)}.empty-state .icon{font-size:40px;margin-bottom:12px}