:root{--primary: #30505b;--sidebar: #263f48;--primary-soft: #e8eef0;--primary-dark: #1e333a;font-family:system-ui,-apple-system,sans-serif;color:#1a1a1a;background:#f0f2f4}*{box-sizing:border-box}body{margin:0;min-height:100vh}.layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.layout.launcher{grid-template-columns:220px 1fr;grid-template-rows:1fr;height:100vh}.sidebar{background:var(--sidebar);color:#fff;padding:1.5rem 1rem;display:flex;flex-direction:column;gap:.25rem}.sidebar h2{margin:0 0 1rem;font-size:1.1rem}.sidebar .who{font-size:.8rem;color:#c5d4d9;margin-bottom:1rem}.sidebar a,.sidebar button.linkish{display:block;color:#c5d4d9;text-decoration:none;padding:.4rem 0;background:none;border:none;font:inherit;text-align:left;cursor:pointer;width:100%}.sidebar a.active,.sidebar button.linkish.active{color:#fff;font-weight:600}.sidebar .spacer{flex:1}.main{padding:1.5rem;overflow:auto}.main.iframe-host{padding:0;overflow:hidden}.main.iframe-host iframe{width:100%;height:100%;border:0;background:#fff}.card{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 2px 12px #0000000f;max-width:720px;margin-bottom:1rem}.card.wide{max-width:960px}label{display:block;margin-bottom:.35rem;font-weight:600}input,select{width:100%;max-width:360px;padding:.65rem .75rem;border:1px solid #ccc;border-radius:8px;margin-bottom:1rem}table{width:100%;border-collapse:collapse;font-size:.95rem}th,td{text-align:left;padding:.5rem .4rem;border-bottom:1px solid #e5e8ea}button{background:var(--primary);color:#fff;border:none;border-radius:8px;padding:.65rem 1rem;font-weight:600;cursor:pointer}button.secondary{background:transparent;color:var(--primary-dark);border:1px solid var(--primary-dark);margin-left:.5rem}button.danger{background:#8b2e2e}.error{color:#b00020;margin-bottom:1rem}.muted{color:#5a6569;font-size:.9rem}.empty-frame{display:flex;align-items:center;justify-content:center;height:100%;color:#5a6569}@media (max-width: 720px){.layout,.layout.launcher{grid-template-columns:1fr}.sidebar{padding:1rem}.layout.launcher{height:auto;min-height:100vh}.main.iframe-host iframe{min-height:70vh}}