*{box-sizing:border-box;margin:0;padding:0}:root{--cyan: #00d4ff;--bg-base: #080b12;--bg-card: #111827;--bg-surface: #0d1220;--text-primary: #e2f0ff;--text-muted: rgba(140, 175, 220, .6);--border: rgba(0, 200, 255, .15);--border-bright: rgba(0, 200, 255, .4);--danger: #ff6b6b}body{background:var(--bg-base);color:var(--text-primary);font-family:Segoe UI,system-ui,sans-serif;min-height:100vh}.container{max-width:960px;margin:0 auto;padding:32px 20px}h1{font-size:22px;margin-bottom:4px}h2{font-size:16px;margin-bottom:12px;color:var(--cyan)}.muted{color:var(--text-muted);font-size:13px}.tabs{display:flex;gap:8px;margin:20px 0;border-bottom:1px solid var(--border)}.tab{padding:10px 16px;background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:14px;border-bottom:2px solid transparent}.tab.active{color:var(--cyan);border-bottom-color:var(--cyan)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:18px;margin-bottom:14px}input,select,textarea{background:var(--bg-surface);border:1px solid var(--border);border-radius:6px;padding:8px 10px;color:var(--text-primary);font-size:13px;width:100%;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--border-bright)}label{font-size:12px;color:var(--text-muted);display:block;margin-bottom:4px}.field{margin-bottom:12px}.row{display:flex;gap:10px}.row>*{flex:1}button.primary{background:linear-gradient(135deg,#07c,#0bf);color:#fff;border:none;border-radius:6px;padding:9px 18px;font-size:13px;font-weight:600;cursor:pointer}button.secondary{background:transparent;border:1px solid var(--border);color:var(--text-primary);border-radius:6px;padding:8px 14px;font-size:13px;cursor:pointer}button.danger{background:#dc32321f;border:1px solid rgba(220,50,50,.3);color:var(--danger);border-radius:6px;padding:6px 12px;font-size:12px;cursor:pointer}.list-item{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border);font-size:13px}.list-item:last-child{border-bottom:none}.error{color:var(--danger);font-size:13px;margin-top:8px}.instance-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.instance-card{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:16px;cursor:pointer;transition:border-color .15s}.instance-card:hover,.instance-card.selected{border-color:var(--border-bright)}.instance-card .name{font-weight:600;margin-bottom:4px}.instance-card .meta{font-size:12px;color:var(--text-muted)}.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-card{width:320px}