:root{color-scheme:light;--bg:#f4f7fb;--paper:#fff;--ink:#243248;--muted:#586a82;--line:#cad4e2;--accent:#286bd2;--danger:#ad3b30;--soft:#eaf1fc;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg)}a{color:var(--accent);text-underline-offset:4px}button,input{font:inherit}::selection{background:var(--accent);color:var(--paper)}.login-shell{width:min(460px,100%);min-height:100svh;margin:auto;padding:48px 16px 24px;display:flex;flex-direction:column;justify-content:center}.login-brand{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:32px;color:var(--ink);text-decoration:none;font-size:22px;font-weight:650}.login-brand img{flex:none}.login-card{padding:32px;background:var(--paper);border:1px solid var(--line);border-radius:12px}h1{font-size:28px;line-height:1.4;font-weight:650;margin:0 0 12px;letter-spacing:-.02em}.login-card>p{font-size:15px;line-height:1.7;color:var(--muted);margin:0 0 26px}label{display:block;font-size:14px;margin:20px 0 8px}input{display:block;width:100%;min-height:50px;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink);font-size:16px;caret-color:var(--accent)}input::placeholder{color:var(--muted)}input:focus,button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.password-control{position:relative}.password-control input{padding-right:66px}.password-toggle{position:absolute;right:3px;top:3px;min-width:56px;min-height:44px;border:0;border-radius:6px;background:transparent;color:var(--accent);cursor:pointer;font-size:14px}.password-toggle:hover{background:var(--soft)}#login-submit{width:100%;min-height:50px;border:0;border-radius:8px;background:var(--accent);color:#fff;cursor:pointer;font-weight:600}#login-submit:hover{filter:brightness(.94)}#login-submit:disabled{opacity:.65;cursor:wait}#login-message{color:var(--danger);font-size:14px;line-height:1.7;margin:16px 0}#login-message:empty{margin:24px 0 0}#login-message.success{color:var(--muted)}.user-entry{display:flex;align-items:center;justify-content:center;min-height:44px;margin-top:14px;font-size:14px}footer{font-size:12px;line-height:1.7;text-align:center;color:var(--muted);padding-top:28px}@media(max-width:480px){.login-shell{padding:calc(36px + env(safe-area-inset-top,0px)) 24px calc(24px + env(safe-area-inset-bottom,0px));justify-content:flex-start}.login-brand{justify-content:flex-start;margin-bottom:48px}.login-card{border:0;padding:0;background:transparent}footer{margin-top:auto;padding-top:48px}}@media(prefers-color-scheme:dark){:root{color-scheme:dark;--bg:#15171b;--paper:#202328;--ink:#edf0f6;--muted:#b0bdce;--line:#4b5668;--accent:#96bcff;--danger:#ffaaa1;--soft:#303d51}#login-submit{color:#172235}}