:root{color-scheme:light;--bg: #f3f6fb;--surface: #ffffff;--text: #0f172a;--muted: #64748b;--border: #dbe4f0;--brand: #2563eb}*{box-sizing:border-box}body{margin:0;font-family:IBM Plex Sans,Segoe UI,sans-serif;background:radial-gradient(circle at 10% 0%,#e8f0ff 0%,var(--bg) 45%);color:var(--text)}.app-shell{min-height:100vh}.topbar{display:flex;justify-content:space-between;align-items:center;padding:20px 28px;border-bottom:1px solid var(--border);background:var(--surface)}.topbar h1{margin:0;font-size:28px}.topbar p{margin:4px 0 0;color:var(--muted);font-size:12px}.topbar-right{display:flex;align-items:center;gap:10px}main{padding:24px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px}.login-card{max-width:440px;margin:24px auto}label{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}label span{color:var(--muted);font-size:13px}input,select,textarea{border:1px solid var(--border);border-radius:10px;padding:10px 12px;font:inherit;background:#fff}.btn{border:1px solid var(--border);background:#fff;border-radius:10px;padding:9px 14px;font-weight:600;cursor:pointer}.btn.primary{border-color:var(--brand);background:var(--brand);color:#fff}.error-box{border:1px solid #fecaca;background:#fff1f2;color:#991b1b;padding:10px;border-radius:10px;margin-bottom:10px}.user-bar{display:flex;align-items:center;gap:10px}.result-box{margin:0;padding:12px;border-radius:10px;border:1px solid var(--border);background:#f8fbff;min-height:360px;overflow:auto}.screen-loading{min-height:100vh;display:grid;place-items:center;font-weight:600}.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:14px}.stat-item{border:1px solid var(--border);border-radius:10px;padding:10px;background:#f8fbff}.stat-item strong{display:block;font-size:20px}.stat-item span{font-size:12px;color:var(--muted)}.table-wrap{overflow:auto}.ops-table{width:100%;border-collapse:collapse}.ops-table th,.ops-table td{text-align:left;padding:8px;border-bottom:1px solid var(--border);font-size:13px}.token-box{margin:12px 0;padding:10px;border-radius:10px;border:1px dashed var(--border);background:#f8fbff}.token-box code{display:block;margin-top:6px;overflow-wrap:anywhere}@media(max-width:980px){.grid{grid-template-columns:1fr}.stats-row{grid-template-columns:repeat(2,1fr)}.topbar{flex-direction:column;align-items:flex-start;gap:12px}}