:root{color-scheme:dark;--bg:#111214;--panel:#191b1e;--surface:#202226;--line:#303338;--text:#ebedef;--muted:#999ea7;--faint:#707780;--accent:#e9b573;--red:#e0aaa3;font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:14px}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input{font:inherit}button,input{-webkit-tap-highlight-color:transparent}[hidden]{display:none!important}button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.login-shell{max-width:460px;margin:0 auto;padding:64px 24px 28px}.brand{display:flex;align-items:center;gap:12px;font-size:21px;font-weight:550;letter-spacing:.4px}.brand small{display:block;color:var(--faint);font-size:9px;font-weight:500;letter-spacing:1.8px;margin-top:7px}.brand-mark{width:32px;height:32px;border:1.5px solid var(--accent);border-radius:7px;display:flex;align-items:center;justify-content:center;gap:4px;transform:rotate(-6deg)}.brand-mark i{width:4px;height:16px;background:var(--accent);border-radius:1px}.brand-mark i+i{height:11px}
.login-panel{margin-top:44px;padding:30px 28px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}.eyebrow{margin:0 0 11px;color:var(--accent);font-size:9px;font-weight:550;letter-spacing:1.6px}h1{font-size:24px;line-height:1.4;font-weight:550;margin:0 0 12px}.description{font-size:13px;color:var(--muted);line-height:1.8;margin:0 0 25px}.field{margin:0 0 19px}.field label{display:block;font-size:12px;color:var(--text);margin-bottom:9px}.field input{display:block;width:100%;min-height:45px;padding:10px 12px;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:6px;line-height:1.6}.field input:disabled{opacity:.55}.field-help{font-size:11px;color:var(--faint);line-height:1.8;margin:8px 0 0}.error-message{font-size:12px;line-height:1.8;color:var(--red);overflow-wrap:anywhere;margin:0 0 18px}.status-message{font-size:12px;line-height:1.8;color:var(--muted);margin:0 0 20px}button{min-height:45px;border:1px solid var(--accent);border-radius:6px;padding:10px 16px;cursor:pointer;background:var(--accent);color:#201a14;font-weight:550}button:disabled{opacity:.5;cursor:not-allowed}#loginSubmit{width:100%;margin-top:4px}.retry-button{background:transparent;color:var(--text);border-color:var(--line);min-height:39px;font-weight:400}.privacy-note{font-size:11px;line-height:1.9;color:var(--faint);margin:24px 0 0;padding-top:20px;border-top:1px solid var(--line)}footer{color:var(--faint);font-size:9px;letter-spacing:1.3px;line-height:1.8;margin-top:27px;text-align:center}
@media(max-width:480px){.login-shell{padding:34px 18px 24px}.brand{font-size:19px}.brand small{font-size:8px}.login-panel{margin-top:31px;padding:25px 20px}h1{font-size:23px}.field input{font-size:16px}.description{font-size:12px}button{font-size:14px;min-height:46px}}

.optional-label{font-weight:400;font-size:11px;color:var(--faint);margin-left:5px}