:root{--background:#f7f8fa;--surface:#fff;--surface-muted:#eef2f6;--border:#d8dee7;--text:#17202a;--muted:#647184;--accent:#0f766e;--accent-strong:#115e59;--danger:#b42318;--blue:#2563eb}*{box-sizing:border-box}html,body{min-height:100%}body{background:var(--background);color:var(--text);margin:0;font-family:Arial,Helvetica,sans-serif;font-size:14px}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.shell{min-height:100vh}.topbar{border-bottom:1px solid var(--border);background:var(--surface);justify-content:space-between;align-items:center;gap:16px;min-height:64px;padding:0 32px;display:flex}.brand{align-items:baseline;gap:12px;display:flex}.brand h1{margin:0;font-size:20px;font-weight:700}.brand span{color:var(--muted)}.main{width:min(1180px,100% - 32px);margin:24px auto 48px}.grid{grid-template-columns:380px 1fr;align-items:start;gap:20px;display:grid}.panel,.card{background:var(--surface);border:1px solid var(--border);border-radius:8px}.panel{padding:18px}.panel h2,.section-title{margin:0 0 14px;font-size:16px}.stack{gap:12px;display:grid}.field{gap:6px;display:grid}.field label{color:var(--muted);font-size:13px}.input,.textarea{border:1px solid var(--border);width:100%;color:var(--text);background:#fff;border-radius:6px;outline:none;padding:10px 11px}.textarea{resize:vertical;min-height:118px}.input:focus,.textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0f766e1f}.button{background:var(--accent);color:#fff;cursor:pointer;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;gap:8px;min-height:38px;padding:0 12px;font-weight:600;display:inline-flex}.button:hover{background:var(--accent-strong)}.button.secondary{background:var(--surface);color:var(--text);border-color:var(--border)}.button.secondary:hover{background:var(--surface-muted)}.button.icon{width:36px;min-height:36px;padding:0}.table-wrap{border:1px solid var(--border);background:var(--surface);border-radius:8px;overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:12px}th{background:var(--surface-muted);color:var(--muted);text-transform:uppercase;font-size:12px;font-weight:700}tr:last-child td{border-bottom:0}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:13px}.muted{color:var(--muted)}.metric-row{flex-wrap:wrap;gap:10px;margin:14px 0;display:flex}.metric{border:1px solid var(--border);background:var(--surface);border-radius:8px;min-width:130px;padding:10px 12px}.metric strong{font-size:20px;display:block}.preview{border:1px solid var(--border);background:var(--surface);border-radius:8px;gap:6px;padding:12px;display:grid}.actions{flex-wrap:wrap;gap:8px;display:flex}.empty{color:var(--muted);text-align:center;padding:28px}.notice{border:1px solid var(--border);background:var(--surface);border-radius:6px;margin-bottom:12px;padding:10px 12px}.notice.error{color:var(--danger);border-color:#b4231847}.login{place-items:center;min-height:100vh;padding:24px;display:grid}.login-box{border:1px solid var(--border);background:var(--surface);border-radius:8px;width:min(420px,100%);padding:24px}.login-box h1{margin:0 0 8px;font-size:28px}.login-box p{color:var(--muted);margin:0 0 18px}@media (max-width:880px){.topbar{padding:0 16px}.grid{grid-template-columns:1fr}}