:root{--primary-color:#165dff;--primary-hover:#0e42d2;--background-color:#f7f8fa;--container-bg:#fff;--text-primary:#1d2129;--text-secondary:#86909c;--border-color:#e5e6eb;--error-color:#f53f3f;--success-color:#00b42a;--transition-normal:all 0.3s cubic-bezier(0.4,0,0.2,1);--shadow-normal:0 4px 12px #00000014;--shadow-hover:0 8px 24px #0000001f;--radius-normal:12px;--radius-large:20px}body{align-items:center;background-color:#f7f8fa;background-color:var(--background-color);display:flex;justify-content:center;min-height:100vh}.auth-container{background-color:#fff;background-color:var(--container-bg);border-radius:var(--radius-large);box-shadow:0 4px 12px #00000014;box-shadow:var(--shadow-normal);box-sizing:border-box;max-width:90vw;padding:32px;transition:all .3s cubic-bezier(.4,0,.2,1);transition:var(--transition-normal);width:400px}.auth-container:hover{box-shadow:0 8px 24px #0000001f;box-shadow:var(--shadow-hover);transform:translateY(-4px)}.auth-container h2{color:#1d2129;color:var(--text-primary);font-size:24px;font-weight:600;margin-bottom:28px;position:relative;z-index:1}.auth-container input{background-color:#fff;background-color:var(--container-bg);border:1px solid #e5e6eb;border:1px solid var(--border-color);border-radius:12px;border-radius:var(--radius-normal);box-sizing:border-box;color:#1d2129;color:var(--text-primary);font-size:14px;padding:14px 16px;transition:all .3s cubic-bezier(.4,0,.2,1);transition:var(--transition-normal);width:100%}.auth-container input:focus{border-color:#165dff;border-color:var(--primary-color);box-shadow:0 0 0 2px #165dff1a;outline:none}.auth-container input::placeholder{color:#86909c;color:var(--text-secondary)}.username-container{margin-bottom:20px;position:relative}.username-container .success-icon{color:#00b42a;color:var(--success-color);font-size:16px;position:absolute;right:12px;top:50%;transform:translateY(-50%)}.username-container input.valid{border-color:#00b42a;border-color:var(--success-color)}.password-container{margin-bottom:24px;position:relative;width:100%}.password-container input{box-sizing:border-box;padding-right:44px;width:100%}.password-container .toggle-password{align-items:center;background:none;border:none;border-radius:8px;color:#86909c;color:var(--text-secondary);cursor:pointer;display:flex;height:32px;justify-content:center;padding:6px;position:absolute;right:12px;top:50%;transform:translateY(-50%);transition:all .3s cubic-bezier(.4,0,.2,1);width:32px;z-index:1}.password-container .toggle-password:hover{background-color:#165dff14;color:#165dff;color:var(--primary-color);transform:translateY(-50%) scale(1.05)}.password-container .toggle-password:active{background-color:#165dff1f;transform:translateY(-50%) scale(.92)}.password-container .toggle-password svg{stroke-width:1.8;height:20px;transition:all .25s cubic-bezier(.4,0,.2,1);width:20px}.password-container .toggle-password:hover svg{stroke-width:2;transform:scale(1.08)}.password-container .toggle-password:focus{box-shadow:0 0 0 2px #165dff33;outline:none}.auth-button{background-color:#165dff;background-color:var(--primary-color);border:none;border-radius:12px;border-radius:var(--radius-normal);box-shadow:0 2px 6px #165dff33;color:#fff;cursor:pointer;font-size:15px;font-weight:500;padding:14px;transition:all .3s cubic-bezier(.4,0,.2,1);transition:var(--transition-normal);width:100%}.auth-button:hover{background-color:#0e42d2;background-color:var(--primary-hover);box-shadow:0 4px 12px #165dff4d;transform:translateY(-2px)}button.auth-button:last-of-type{background-color:initial;border:1px solid #165dff;border:1px solid var(--primary-color);box-shadow:none;color:#165dff;color:var(--primary-color);margin-top:16px}button.auth-button:last-of-type:hover{background-color:#165dff0d;box-shadow:0 2px 8px #165dff1a}.admin-checkbox{align-items:center;display:flex;justify-content:flex-start;margin:16px 0}.admin-checkbox label{color:#1d2129;color:var(--text-primary);font-size:14px;margin-right:10px}.admin-checkbox input[type=checkbox]{-webkit-appearance:none;appearance:none;border:1px solid #e5e6eb;border:1px solid var(--border-color);border-radius:4px;cursor:pointer;height:18px;position:relative;transition:all .3s cubic-bezier(.4,0,.2,1);transition:var(--transition-normal);vertical-align:middle;width:18px}.admin-checkbox input[type=checkbox]:checked{background-color:#165dff;background-color:var(--primary-color);border-color:#165dff;border-color:var(--primary-color)}.admin-checkbox input[type=checkbox]:checked:after{color:#fff;content:"✓";font-size:12px;left:50%;position:absolute;top:50%;transform:translate(-50%,-50%)}.suggestion-popup{animation:fadeIn .2s ease;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background-color:#fff;background-color:var(--container-bg);border:1px solid #e5e6eb;border:1px solid var(--border-color);border-radius:12px;border-radius:var(--radius-normal);box-shadow:0 4px 12px #00000014;box-shadow:var(--shadow-normal);left:0;padding:16px;position:absolute;right:0;top:calc(100% + 4px);z-index:200}.suggestion-popup p{color:#86909c;color:var(--text-secondary);font-size:13px;margin-bottom:10px}.suggestion-item{border-radius:6px;color:#1d2129;color:var(--text-primary);font-size:14px;margin-bottom:4px;padding:10px 14px;transition:var(--transition-normal)}.suggestion-item:last-child{margin-bottom:0}.suggestion-item:hover{background-color:#f7f8fa;background-color:var(--background-color)}.suggestion-item.clicked{animation:suggestionFly .25s cubic-bezier(.4,0,.2,1) forwards;z-index:300}@keyframes suggestionFly{0%{opacity:1;transform:translateX(0) translateY(0) scale(1)}50%{opacity:.7;transform:translateX(0) translateY(0) scale(.8);transform:translateX(var(--fly-to-left,0)) translateY(var(--fly-to-top,0)) scale(.8)}to{opacity:0;transform:translateX(0) translateY(0) scale(.6);transform:translateX(var(--fly-to-left,0)) translateY(var(--fly-to-top,0)) scale(.6)}}.suggestion-popup .close-button{color:#86909c;color:var(--text-secondary);cursor:pointer;font-size:16px;position:absolute;right:10px;top:10px;transition:all .3s cubic-bezier(.4,0,.2,1);transition:var(--transition-normal)}.suggestion-popup .close-button:hover{color:#1d2129;color:var(--text-primary)}.loading-spinner{color:#86909c;color:var(--text-secondary);position:absolute;right:12px;top:50%;transform:translateY(-50%)}@media (max-width:480px){.login-page{padding:20px}.auth-container{padding:24px}.auth-container h2{font-size:20px}}@media (max-height:600px){.login-page{min-height:100vh;position:absolute}}.global-loading-overlay{animation:fadeIn .2s ease;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);background:#ffffff4d;height:100vh;z-index:2000}.loading-container{align-items:center;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);background:#fffc;border:1px solid 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blur(1px);opacity:0;transform:scale(1.01)}.background-image.fade-in{filter:brightness(.85) contrast(1.1) saturate(1.1);opacity:.82;transform:scale(1)}.content-wrapper{align-items:flex-end;box-sizing:border-box;display:flex;flex-direction:column;justify-content:center;min-height:100vh;padding:20px 120px 100px 20px;position:relative;width:100%;z-index:2}.auth-container{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffffffa;border:1px solid #fff6;border-radius:20px;box-shadow:0 8px 32px #0000001f,0 2px 8px #0000000f;margin-bottom:60px;max-width:420px;overflow:hidden;padding:2.8rem;position:relative;transform-origin:center center;transition:all .4s cubic-bezier(.34,1.56,.64,1);width:100%}.auth-container:before{background:linear-gradient(135deg,#fff9,#ffffff1a 50%,#ffffff4d);border-radius:20px;bottom:0;left:0;mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask-composite:xor;-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;opacity:.7;padding:1px;right:0;top:0;z-index:-1}.auth-container:after,.auth-container:before{content:"";pointer-events:none;position:absolute}.auth-container:after{background:linear-gradient(45deg,#0000 30%,#ffffff0d 50%,#0000 70%);height:200%;left:-50%;opacity:0;top:-50%;transform:rotate(45deg);transition:opacity .6s ease;width:200%;z-index:0}.auth-container:hover{border-color:#fff9;box-shadow:0 15px 50px #0000002e,0 5px 20px #0000001a,0 1px 4px #0000000d;transform:scale(1.02) translateY(-5px)}.auth-container:hover:after{opacity:1}.auth-container h2{color:#1a1a1a;font-size:2em;font-weight:700;margin-bottom:2rem;text-align:center}.login-footer{align-items:center;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);background:#ffffff40;border:1px solid #fff6;border-radius:20px;bottom:30px;box-shadow:0 4px 24px #0000000f;color:#000000a6;display:flex;font-size:.9em;gap:20px;justify-content:space-between;left:50%;padding:1rem 2rem;position:fixed;text-align:center;transform:translateX(-50%);transition:all .3s cubic-bezier(.4,0,.2,1);transition:var(--transition-normal);white-space:nowrap;width:auto;z-index:1000}.login-footer:hover{background:#ffffff59;box-shadow:0 6px 30px #00000014;transform:translateX(-50%) translateY(-2px)}.footer-content{align-items:center;display:flex;flex-direction:column}.login-footer p{color:#000000b3;font-weight:500;margin:.5rem 0}.login-footer a{color:#0052d9;opacity:.85;text-decoration:none;transition:all .2s ease}.login-footer a:hover{color:#0033a0;opacity:1;text-decoration:none}.version-updates-button svg{font-size:1rem}.version-updates-button:hover{background:#4285f440;box-shadow:0 4px 12px #4285f433;transform:translateY(-2px)}[data-theme=dark] .version-updates-button{background:#7ab0ff26}[data-theme=dark] .version-updates-button:hover{background:#7ab0ff40}@media (max-width:768px){.login-footer{bottom:20px;flex-direction:column;gap:10px;padding:.8rem 1.5rem;white-space:normal;width:auto}.version-updates-button{font-size:.85rem;padding:6px 12px}.version-updates-button span{display:none}}.admin-email-container,.password-container,.username-container{margin-bottom:1.5rem;position:relative}input{border:2px solid #e5e6e7;border-radius:12px;border-radius:var(--radius-normal);font-size:1rem;padding:14px;transition:all .3s cubic-bezier(.4,0,.2,1);transition:var(--transition-normal);width:100%}input:focus{border-color:#165dff;border-color:var(--primary-color);box-shadow:0 0 0 3px #0052d91a;outline:none}.toggle-password{background:none;border:none;cursor:pointer;font-size:1.2rem;position:absolute;right:12px;top:50%;transform:translateY(-50%)}.global-loading-overlay{align-items:center;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#ffffffe6;display:flex;height:100%;justify-content:center;left:0;position:fixed;top:0;width:100%;z-index:1000}.loading-container{text-align:center}.loading-text{color:#165dff;color:var(--primary-color);font-size:1.1rem;margin-top:1rem}@media (max-width:1024px){.content-wrapper{padding:20px 80px 20px 20px}}@media (max-width:768px){.content-wrapper{align-items:center;height:auto;justify-content:center;min-height:100vh;padding:20px 20px 80px}.auth-container{margin:0 auto;padding:2rem}.background-image{opacity:.15}.login-footer{font-size:.85em;max-width:90%;padding:.8rem 1.5rem;white-space:normal;width:auto}}@media (max-width:480px){.content-wrapper{padding:16px 16px 70px}.auth-container{margin-bottom:0;padding:1.5rem}.login-footer{bottom:16px;font-size:.8em;padding:.6rem 1.2rem}}@media (max-height:600px){.content-wrapper{padding-bottom:60px;padding-top:20px}.auth-container{margin:0 auto;transform:scale(.95)}.login-footer{display:none}}@media (min-height:601px) and (max-height:700px){.content-wrapper{padding-bottom:80px}.auth-container{margin-bottom:20px}.login-footer{bottom:20px;transform:translateX(-50%) scale(.9)}}@media (max-height:450px) and (orientation:landscape){.content-wrapper{padding:10px 16px 50px}.auth-container{margin:0 auto;transform:scale(.9)}.login-footer{display:none}}.brand-slogan{color:#fffffff2;left:8%;max-width:600px;position:absolute;text-shadow:0 2px 12px #0000001f;top:50%;transform:translateY(-50%);z-index:2}.brand-name{-webkit-text-fill-color:#0000;font-feature-settings:"kern";-webkit-font-smoothing:antialiased;animation:fadeInScale .8s ease-out forwards;background:linear-gradient(135deg,#fff,#ffffffe6);-webkit-background-clip:text;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,Helvetica Neue,sans-serif;font-size:6.5rem;font-weight:700;letter-spacing:-3.5px;line-height:.9;margin-bottom:1.8rem;position:relative;text-shadow:0 4px 30px #00000026;text-transform:none;transform:translateX(-3px)}.brand-name:after{animation:lineReveal 1s ease-out .8s forwards;background:linear-gradient(90deg,#fff,#fff6);border-radius:2px;bottom:-.15em;content:"";height:4px;left:0;opacity:0;position:absolute;transform-origin:left center;width:60px}.slogan-list{list-style:none;margin:0;padding:0;transition:opacity .4s ease-in-out}.slogan-list.fading{opacity:0}.slogan-item{-webkit-text-fill-color:#0000;animation:slideIn .5s ease forwards;background:linear-gradient(135deg,#fffffffa,#fffffff2 50%,#ffffffd9);-webkit-background-clip:text;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:2.4rem;font-weight:600;letter-spacing:-.5px;margin-bottom:1.8rem;opacity:0;padding-left:12px;position:relative;text-shadow:0 2px 15px #0000001a;transform:translateX(-20px)}.slogan-item.loading{animation:pulseFade 1.5s ease-in-out infinite;opacity:.7;transform:translateX(0)}@keyframes pulseFade{0%,to{opacity:.5}50%{opacity:.9}}.slogan-item:before{animation:lineGrow .3s ease forwards;animation-delay:inherit;background:linear-gradient(180deg,#fff,#ffffff80);content:"";height:0;left:0;opacity:0;position:absolute;top:50%;transform:translateY(-50%);width:3px}.slogan-item:first-child{animation-delay:.3s}.slogan-item:nth-child(2){animation-delay:.5s}.slogan-item:nth-child(3){animation-delay:.7s}.slogan-item:nth-child(4){animation-delay:.9s}.slogan-item:first-child:before{animation-delay:.3s}.slogan-item:nth-child(2):before{animation-delay:.5s}.slogan-item:nth-child(3):before{animation-delay:.7s}.slogan-item:nth-child(4):before{animation-delay:.9s}.slogan-item.loading:before{animation:none;opacity:0}@keyframes fadeInScale{0%{opacity:0;transform:scale(.95) translateX(-3px)}to{opacity:1;transform:scale(1) translateX(-3px)}}@keyframes slideIn{0%{opacity:0;transform:translateX(-20px)}to{opacity:1;transform:translateX(0)}}@keyframes lineGrow{0%{height:0;opacity:0}to{height:75%;opacity:1}}@media (max-width:1400px){.brand-name{font-size:5.5rem}.slogan-item{font-size:2.2rem}}@media (max-width:1200px){.brand-slogan{left:5%}.brand-name{font-size:4.5rem}.slogan-item{font-size:2rem}.content-wrapper{padding:20px 80px 100px 20px}}@media (max-width:768px){.brand-slogan{display:none}.content-wrapper{align-items:center;padding:20px 20px 100px}.auth-container{margin:0 auto 60px;padding:2rem}.background-image{opacity:.15}}@media (max-width:480px){.content-wrapper{padding:16px 16px 80px}.auth-container{margin-bottom:50px;padding:1.8rem}.login-footer{bottom:20px;font-size:.85em;padding:.8rem 1.5rem;white-space:normal;width:85%}}@media (max-height:800px){.brand-name{font-size:4rem;margin-bottom:2rem}.slogan-item{font-size:1.8rem;margin-bottom:1.2rem}}@media (max-height:600px){.content-wrapper{height:auto;min-height:100vh;padding-bottom:100px;padding-top:60px}.auth-container{margin-bottom:80px}}.version-updates-button{background:none;border-radius:4px;margin-bottom:10px;padding:5px 10px;text-decoration:underline}.version-updates-button:hover{background-color:#4285f41a}[data-theme=dark] .version-updates-button{color:#7ab0ff}.sso-login-section{margin-top:24px;width:100%}.sso-divider{align-items:center;display:flex;margin:20px 0;text-align:center}.sso-divider:after,.sso-divider:before{border-bottom:1px solid #ddd;content:"";flex:1 1}.sso-divider span{color:#777;font-size:14px;padding:0 12px}.sso-button{align-items:center;background-color:#fff;border:1px solid #ddd;border-radius:12px;border-radius:var(--radius-normal);cursor:pointer;display:flex;font-size:14px;font-weight:500;justify-content:center;margin-top:10px;padding:12px;transition:all .3s cubic-bezier(.4,0,.2,1);transition:var(--transition-normal);width:100%}.sso-button:hover{background-color:#f5f5f5;border-color:#ccc;box-shadow:0 4px 12px #0000000d;transform:translateY(-2px)}.bitsleep-button{background-color:#f0f7ff;border-color:#c2e0ff;color:#07c}.bitsleep-button:hover{background-color:#e0f0ff;border-color:#a0d1ff;box-shadow:0 4px 12px #0077cc1a}.sso-icon{height:20px;margin-right:10px;width:20px}.auth-button,.auth-container input,.sso-button{transform:translateY(0);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease,background-color .3s ease}.auth-container input:focus{transform:translateY(-2px)}.auth-button:focus{animation:pulse 1.5s infinite}.version-updates-button{align-items:center;background:#4285f426;border:none;border-radius:50px;box-shadow:0 2px 8px #4285f41a;color:#4285f4;cursor:pointer;display:flex;font-size:.9rem;gap:6px;margin-bottom:0;padding:8px 16px;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);transition:var(--transition-normal)}.auth-container .auth-button,.auth-container .sso-login-section,.auth-container form{position:relative;z-index:1}.version-updates-wrapper{animation:version-overlay-in .24s ease-out forwards;display:grid;font-family:Manrope,SF Pro Text,PingFang SC,Microsoft YaHei,sans-serif;inset:0;padding:clamp(12px,2.5vw,30px);place-items:center;position:fixed;z-index:99999}.version-updates-backdrop{backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px);background:radial-gradient(circle at 18% 15%,#3478f633 0,#0000 48%),radial-gradient(circle at 78% 78%,#0f172a3d 0,#0000 52%),#0f172a94;inset:0;position:absolute}.version-updates-container{animation:version-panel-in .3s cubic-bezier(.2,.85,.24,1) forwards;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid #94a3b84d;border-radius:22px;box-shadow:0 28px 64px #02061740,inset 0 2px 0 #ffffff59;max-height:min(90vh,940px);overflow:hidden;position:relative;width:min(1200px,100%)}.version-maintenance-banner{align-items:center;background:linear-gradient(135deg,#3b82f614,#8b5cf60f);border:1px solid #3b82f62e;border-radius:14px;display:flex;gap:12px;margin:8px 0 0;padding:14px 18px}.maintenance-icon{flex-shrink:0;font-size:1.6rem;line-height:1}.maintenance-text{flex:1 1;min-width:0}.maintenance-text strong{color:#1d4ed8;font-size:.85rem;font-weight:700}.maintenance-text p{color:#334155cc;font-size:.8rem;line-height:1.5;margin:3px 0 0}.maintenance-wish-btn{background:#3b82f61f;border:1px solid #3b82f666;border-radius:999px;color:#1d4ed8;cursor:pointer;flex-shrink:0;font-size:.8rem;font-weight:700;padding:7px 16px;transition:all .2s ease;white-space:nowrap}.maintenance-wish-btn:hover{background:#3b82f638;border-color:#3b82f699;transform:translateY(-1px)}.version-updates-close{align-items:center;background:#ffffffe0;border:1px solid #94a3b873;border-radius:999px;color:#1e293be0;cursor:pointer;display:inline-flex;height:38px;justify-content:center;position:absolute;right:18px;top:18px;transition:transform .2s ease,box-shadow .2s ease,background-color .2s 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h2{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#91a7ff,#9575cd);-webkit-background-clip:text;background-clip:text}body.dark-theme .user-center-tabs{background:#ffffff08;border-color:#ffffff1a}body.dark-theme .user-center-tab{color:#91a7ffb3}body.dark-theme .user-center-tab.active{background:#91a7ff26;color:#91a7ff}body.dark-theme .user-center-content{background:#ffffff03}body.dark-theme .user-profile-item{background:#ffffff14;border:1px solid #ffffff1a}body.dark-theme .user-profile-item:hover{background:#ffffff1f}body.dark-theme .user-profile-label{color:#91a7ff}body.dark-theme .user-profile-value{color:#f0f0f0}body.dark-theme .username-edit-input{background:#ffffff1a;border-color:#91a7ff4d;color:#f0f0f0}body.dark-theme .username-edit-input:focus{background:#ffffff26;border-color:#91a7ff;box-shadow:0 0 0 4px #91a7ff33}body.dark-theme .username-cancel-btn{background:#ffffff1a;border-color:#91a7ff4d;color:#f0f0f0}body.dark-theme 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