:root{font-family:Inter,ui-sans-serif,system-ui;color:#17121f;background:#f5f7fb}*{box-sizing:border-box}body{margin:0;min-width:320px}.login{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top left,#dbeafe,transparent 40%),#f8fafc}.login-card{width:min(420px,100%);box-shadow:0 22px 65px #33415522}.layout{min-height:100vh}.header{background:#fff!important;display:flex;justify-content:space-between;align-items:center;padding:0 28px!important}.content{padding:24px;max-width:1500px;width:100%;margin:auto}.json{font-family:ui-monospace,SFMono-Regular,monospace}.preview{border:1px solid #d9d9d9;border-radius:14px;padding:16px;background:#f8fafc}.settings-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,420px);gap:20px}@media(max-width:900px){.settings-grid{grid-template-columns:1fr}.content{padding:14px}}