*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{color:#1d1d1f;-webkit-font-smoothing:antialiased;background:#f5f5f7;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,sans-serif;line-height:1.5}.container{max-width:860px;margin:0 auto;padding:40px 20px 80px}.header{text-align:center;margin-bottom:32px}.header .logo{margin-bottom:10px;font-size:48px;display:block}.header h1{letter-spacing:-.5px;font-size:30px;font-weight:700}.header .subtitle{color:#86868b;margin-top:4px;font-size:14px}.section-title{color:#86868b;text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px;font-size:13px;font-weight:600}.config-row{gap:8px;margin-bottom:12px;display:flex}.config-row input{color:#1d1d1f;background:#fff;border:1px solid #d2d2d7;border-radius:10px;flex:1;padding:8px 14px;font-family:SF Mono,Fira Code,Cascadia Code,monospace;font-size:13px;transition:border-color .2s}.config-row input:focus{border-color:#0071e3;outline:none}.btn-primary{cursor:pointer;color:#fff;letter-spacing:-.2px;background:#0071e3;border:none;border-radius:14px;justify-content:center;align-items:center;gap:8px;width:100%;padding:15px 32px;font-size:16px;font-weight:600;transition:all .2s;display:flex}.btn-primary:hover{background:#0077ed;box-shadow:0 4px 16px #0071e34d}.btn-primary:disabled{cursor:not-allowed;box-shadow:none;background:#a1c6f0}.error-box{color:#dc2626;background:#fef2f2;border:1px solid #fca5a5;border-radius:12px;justify-content:space-between;align-items:center;margin-top:16px;padding:12px 16px;font-size:14px;display:flex}.error-dismiss{cursor:pointer;color:#dc2626;background:0 0;border:none;padding:0 4px;font-size:18px}.footer{text-align:center;color:#aeaeb2;margin-top:48px;font-size:12px}.footer a{color:#86868b}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=600px){.container{padding:24px 14px 60px}.header h1{font-size:24px}.config-row{flex-direction:column}}