*{box-sizing:border-box}body,html{padding:0;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:#f7f8fa;color:#111827}a{color:inherit}button{cursor:pointer}button,input{font-family:inherit}.container{max-width:960px;margin:0 auto;padding:24px 16px 64px}.card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:20px}.stack{flex-direction:column}.row,.stack{display:flex;gap:16px}.row{flex-wrap:wrap}.btn{background:#2563eb;color:#fff;border:none;border-radius:8px;padding:10px 16px;font-size:14px;font-weight:600}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:transparent;color:#2563eb;border:1px solid #2563eb}.input{border:1px solid #d1d5db;border-radius:8px;padding:8px 12px;font-size:14px;width:100%}.label{font-size:13px;font-weight:600;color:#374151}.topbar{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:#fff;border-bottom:1px solid #e5e7eb}.error-text{color:#dc2626;font-size:13px}.status-dot{display:inline-block;width:10px;height:10px;border-radius:50%}