:root{color-scheme:dark;--bg: #0a1628;--bg-elevated: #101f38;--border: #22314d;--text: #e6ecf5;--text-muted: #93a3bd;--accent: #3b82f6;--danger: #ef4444;--success: #22c55e;font-family:Segoe UI,system-ui,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text)}a{color:var(--accent)}button{font-family:inherit;cursor:pointer}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px 12px;border-bottom:1px solid var(--border);font-size:14px}.app-shell{display:flex;min-height:100vh}.sidebar{width:220px;flex-shrink:0;background:var(--bg-elevated);border-right:1px solid var(--border);padding:16px 0}.sidebar h1{font-size:16px;padding:0 16px 16px;margin:0;border-bottom:1px solid var(--border)}.sidebar nav{display:flex;flex-direction:column;margin-top:12px}.sidebar nav a{padding:10px 16px;color:var(--text-muted);text-decoration:none;font-size:14px}.sidebar nav a.active,.sidebar nav a:hover{color:var(--text);background:#3b82f61f}.content{flex:1;padding:24px 32px;overflow-x:auto}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:8px;padding:16px;margin-bottom:16px}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:#94a3b833}.badge.ok{background:#22c55e33;color:var(--success)}.badge.error{background:#ef444433;color:var(--danger)}.form-row{display:flex;gap:8px;margin-bottom:16px}input,select{background:var(--bg);border:1px solid var(--border);color:var(--text);padding:6px 10px;border-radius:4px}.primary-button{background:var(--accent);color:#fff;border:none;border-radius:4px;padding:8px 16px}.centered-page{display:flex;align-items:center;justify-content:center;height:100vh}