:root{--bg:#0c1117;--panel:#111926;--panel-soft:#182334;--text:#ecf1f8;--muted:#9bb0c9;--accent:#2bb1ff;--accent-soft:#134060;--border:#22344a}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:radial-gradient(circle at top right,#153553 0,var(--bg) 45%);color:var(--text)}a{color:inherit;text-decoration:none}.app-shell{min-height:100vh;display:grid;grid-template-columns:260px 1fr}.sidebar{border-right:1px solid var(--border);background:rgba(10,18,29,.75);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);padding:20px 14px}.brand{font-size:1.1rem;font-weight:700;margin-bottom:16px}.nav-list{display:grid;grid-gap:8px;gap:8px}.nav-item{border:1px solid var(--border);background:var(--panel);border-radius:10px;padding:10px 12px;color:var(--muted)}.nav-item:hover{border-color:var(--accent);color:var(--text)}.content{padding:22px}.page-card{border:1px solid var(--border);background:var(--panel);border-radius:14px;padding:18px}.tabs{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 16px}.tab{border:1px solid var(--border);background:var(--panel-soft);border-radius:10px;padding:8px 12px;color:var(--muted)}.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:12px;gap:12px}.metric{border:1px solid var(--border);border-radius:10px;background:#0f1722;padding:12px}.metric strong{display:block;font-size:1.2rem;margin-top:4px}.data-table{width:100%;border-collapse:collapse;margin-top:14px;font-size:.92rem}.data-table td,.data-table th{border-bottom:1px solid var(--border);padding:10px 8px;text-align:left}.data-table th{color:var(--muted);font-weight:600}.status-badge{display:inline-flex;align-items:center;padding:4px 8px;border:1px solid var(--border);border-radius:999px;background:#0f2133;color:#cde8ff;font-size:.78rem}.actions-card{border:1px solid var(--border);border-radius:12px;background:#0f1722;padding:14px;margin:14px 0}.actions-card h3{margin:0 0 10px}.form-grid{display:grid;grid-gap:8px;gap:8px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.input{width:100%;border:1px solid var(--border);background:#0b1320;color:var(--text);border-radius:8px;padding:9px 10px}.textarea{min-height:120px;resize:vertical}.btn-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.btn{border:1px solid var(--accent);background:var(--accent-soft);color:#d9f1ff;border-radius:8px;padding:8px 12px;cursor:pointer}.btn:disabled{opacity:.6;cursor:not-allowed}.log-box{margin-top:10px;border:1px solid var(--border);border-radius:8px;padding:10px;background:#0a111b;white-space:pre-wrap;font-size:.82rem;color:#c3d3e8}@media (max-width:920px){.app-shell{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--border)}}