body,html{height:100%}body{font-family:ui-sans-serif,system-ui;margin:0}.container{max-width:960px;margin:0 auto;padding:24px}.card{border:1px solid #e5e7eb;border-radius:12px;padding:16px;margin-bottom:16px}.btn{display:inline-block;padding:8px 12px;border-radius:8px;border:1px solid #d1d5db;cursor:pointer;background:#fff}.btn.primary{background:#111827;color:#fff;border-color:#111827}.input{width:100%;padding:10px;border:1px solid #d1d5db;border-radius:8px;margin-bottom:8px}.label{display:block;font-size:12px;color:#374151;margin:6px 0}.row{display:flex;gap:12px;align-items:center}