.topbar{height:var(--topbar-height);background:var(--color-topbar-bg);padding:0 var(--spacing-lg);z-index:100;justify-content:space-between;align-items:center;display:flex;position:fixed;top:0;left:0;right:0}.topbar-brand{align-items:center;gap:var(--spacing-md);display:flex}.topbar-menu-btn{padding:var(--spacing-xs);width:32px;height:32px;color:var(--color-text-inverse);border-radius:var(--radius-sm);transition:background var(--transition-fast);justify-content:center;align-items:center;display:flex}.topbar-menu-btn:hover{background:#ffffff1a}.topbar-menu-btn svg{width:18px;height:18px}.topbar-logo{width:24px;height:24px;color:var(--color-text-inverse);justify-content:center;align-items:center;display:flex}.topbar-logo svg{width:20px;height:20px}.topbar-title{font-size:var(--font-size-md);font-weight:var(--font-weight-semibold);color:var(--color-text-inverse);letter-spacing:.3px}.topbar-actions{align-items:center;gap:var(--spacing-sm);display:flex}.topbar-btn{align-items:center;gap:var(--spacing-sm);padding:var(--spacing-xs) var(--spacing-md);color:var(--color-text-inverse);font-size:var(--font-size-sm);border-radius:var(--radius-sm);transition:background var(--transition-fast);display:flex}.topbar-btn:hover{background:#ffffff1a}.topbar-btn svg{width:16px;height:16px}.topbar-theme-btn{padding:var(--spacing-xs);justify-content:center;align-items:center;width:32px;height:32px;display:flex}.topbar-theme-btn svg{width:18px;height:18px}.sidebar{top:var(--topbar-height);width:var(--sidebar-width);background:var(--color-sidebar-bg);border-right:1px solid var(--color-border-light);z-index:90;transition:width var(--transition-normal);flex-direction:column;display:flex;position:fixed;bottom:0;left:0;overflow:hidden auto}.sidebar-collapsed{width:var(--sidebar-collapsed-width)}.sidebar-user{align-items:center;gap:var(--spacing-md);padding:var(--spacing-lg) var(--spacing-base) var(--spacing-base);border-bottom:1px solid var(--color-divider);cursor:pointer;transition:background var(--transition-fast);display:flex;position:relative}.sidebar-user:hover,.sidebar-user.menu-open{background:var(--color-sidebar-hover)}.sidebar-collapsed .sidebar-user{padding:var(--spacing-lg) var(--spacing-sm) var(--spacing-base);cursor:default;justify-content:center}.sidebar-collapsed .sidebar-user:hover{background:0 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.sidebar-user-chevron{transform:rotate(180deg)}.sidebar-user-menu{top:calc(100% + 4px);left:var(--spacing-base);right:var(--spacing-base);background:var(--color-card-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:100;position:absolute;overflow:hidden}.sidebar-user-menu-item{align-items:center;gap:var(--spacing-md);padding:var(--spacing-sm) var(--spacing-base);width:100%;color:var(--color-text-secondary);font-size:var(--font-size-base);cursor:pointer;transition:background var(--transition-fast), color var(--transition-fast);background:0 0;border:none;display:flex}.sidebar-user-menu-item:hover{background:var(--color-sidebar-hover);color:var(--color-danger)}.sidebar-user-menu-item svg{flex-shrink:0;width:16px;height:16px}.sidebar-nav{padding:var(--spacing-sm) 0;flex:1}.sidebar-section-label{padding:var(--spacing-base) var(--spacing-base) var(--spacing-sm);font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);color:var(--color-text-tertiary);text-transform:uppercase;letter-spacing:.5px}.sidebar-item{align-items:center;gap:var(--spacing-md);padding:var(--spacing-sm) var(--spacing-base);margin:0 var(--spacing-sm);border-radius:var(--radius-md);color:var(--color-text-primary);font-size:var(--font-size-base);font-weight:var(--font-weight-regular);cursor:pointer;width:calc(100% - var(--spacing-base));transition:background var(--transition-fast);background:0 0;border:none;min-height:36px;line-height:1;display:flex;position:relative}.sidebar-collapsed .sidebar-item{padding:var(--spacing-sm);margin:0 var(--spacing-xs);width:calc(100% - var(--spacing-xs) * 2);justify-content:center}.sidebar-item:hover{background:var(--color-sidebar-hover)}.sidebar-item.active{background:var(--color-sidebar-active);color:var(--color-primary);font-weight:var(--font-weight-medium)}.sidebar-item.active:before{content:"";left:calc(-1 * var(--spacing-sm));background:var(--color-primary);border-radius:0 2px 2px 0;width:3px;height:20px;position:absolute;top:50%;transform:translateY(-50%)}.sidebar-item svg{width:18px;height:18px;color:inherit;opacity:.75;flex-shrink:0}.sidebar-item.active svg{opacity:1}.footer{margin-left:var(--sidebar-width);padding:var(--spacing-lg) var(--spacing-lg);background:var(--color-card-bg);border-top:1px solid var(--color-border-light);transition:margin-left var(--transition-normal)}.layout-sidebar-collapsed .footer{margin-left:var(--sidebar-collapsed-width)}.footer-content{justify-content:space-between;align-items:center;gap:var(--spacing-md);flex-wrap:wrap;max-width:960px;margin:0 auto;display:flex}:is(.layout-content-wide~.footer .footer-content,.layout-main:has(.layout-content-wide)~.footer .footer-content){max-width:1200px}.footer-left{align-items:center;gap:var(--spacing-sm);display:flex}.footer-brand{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.footer-divider{color:var(--color-text-tertiary);font-size:var(--font-size-sm)}.footer-copyright{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.footer-right{align-items:center;gap:var(--spacing-lg);display:flex}.footer-link{font-size:var(--font-size-sm);color:var(--color-text-secondary);transition:color var(--transition-fast);text-decoration:none}.footer-link:hover{color:var(--color-primary);text-decoration:underline}@media (width<=768px){.footer{padding:var(--spacing-md) var(--spacing-base);margin-left:0}.footer-content{text-align:center;gap:var(--spacing-sm);flex-direction:column}.footer-left,.footer-right{justify-content:center}.footer-right{gap:var(--spacing-md)}}.layout{flex-direction:column;min-height:100vh;display:flex}.layout-main{margin-left:var(--sidebar-width);padding-top:var(--topbar-height);min-height:calc(100vh - var(--topbar-height));transition:margin-left var(--transition-normal);flex:1}.layout-sidebar-collapsed .layout-main{margin-left:var(--sidebar-collapsed-width)}.layout-content{max-width:960px;padding:var(--spacing-xl) var(--spacing-lg);min-height:calc(100vh - var(--topbar-height));margin:0 auto}.layout-content-wide{max-width:1200px;padding:var(--spacing-xl) var(--spacing-lg);min-height:calc(100vh - var(--topbar-height));margin:0 auto}.toast-container{top:calc(var(--topbar-height) + var(--spacing-base));z-index:9999;gap:var(--spacing-sm);pointer-events:none;width:100%;max-width:480px;padding:0 var(--spacing-base);flex-direction:column;display:flex;position:fixed;left:50%;transform:translate(-50%)}.toast-item{pointer-events:auto;background:var(--color-card-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);flex-direction:column;animation:.3s ease-out toastSlideDown;display:flex;overflow:hidden}.toast-item.toast-exit{animation:.25s ease-in forwards toastSlideUp}@keyframes toastSlideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes toastSlideUp{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-20px)}}.toast-content{align-items:flex-start;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-base);min-height:40px;display:flex}.toast-icon{flex-shrink:0;width:18px;height:18px;margin-top:1px}.toast-icon-success{color:var(--color-success)}.toast-icon-error{color:var(--color-danger)}.toast-icon-warning{color:var(--color-warning)}.toast-icon-info{color:var(--color-primary)}.toast-message{font-size:var(--font-size-sm);color:var(--color-text-primary);word-break:break-word;flex:1;line-height:1.5}.toast-close{width:22px;height:22px;color:var(--color-text-tertiary);cursor:pointer;border-radius:var(--radius-sm);transition:color var(--transition-fast), background var(--transition-fast);flex-shrink:0;justify-content:center;align-items:center;margin-top:-2px;margin-right:-4px;display:flex}.toast-close:hover{color:var(--color-text-primary);background:var(--color-sidebar-hover)}.toast-close svg{width:14px;height:14px}.toast-detail-section{border-top:1px solid var(--color-border-light);margin-top:var(--spacing-xs)}.toast-detail-toggle{padding:var(--spacing-sm) var(--spacing-base) var(--spacing-sm) calc(var(--spacing-base) + 26px);font-size:var(--font-size-xs);color:var(--color-text-tertiary);cursor:pointer;transition:color var(--transition-fast);-webkit-user-select:none;user-select:none}.toast-detail-toggle:hover{color:var(--color-primary);text-decoration:underline}.toast-detail-header{padding:var(--spacing-xs) var(--spacing-base) var(--spacing-xs) calc(var(--spacing-base) + 26px);background:var(--color-sidebar-bg);justify-content:space-between;align-items:center;display:flex}.toast-detail-label{font-size:var(--font-size-xs);color:var(--color-text-secondary);font-weight:500}.toast-copy-btn{font-size:var(--font-size-xs);color:var(--color-text-tertiary);background:var(--color-card-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);align-items:center;gap:4px;padding:4px 8px;display:flex}.toast-copy-btn:hover{color:var(--color-primary);border-color:var(--color-primary)}.toast-copy-btn-copied{color:var(--color-success);border-color:var(--color-success)}.toast-copy-btn svg{width:12px;height:12px}.toast-detail-content{padding:var(--spacing-sm) var(--spacing-base) var(--spacing-sm) calc(var(--spacing-base) + 26px);font-size:var(--font-size-xs);color:var(--color-text-secondary);white-space:pre-wrap;word-break:break-word;background:var(--color-page-bg);max-height:200px;font-family:Monaco,Menlo,Ubuntu Mono,monospace;line-height:1.6;overflow-y:auto}.toast-progress{background:var(--color-border-light);height:3px;position:relative;overflow:hidden}.toast-progress-bar{height:100%;transition:width .1s linear}.toast-progress-success{background:var(--color-success)}.toast-progress-error{background:var(--color-danger)}.toast-progress-warning{background:var(--color-warning)}.toast-progress-info{background:var(--color-primary)}.btn{justify-content:center;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-base);border-radius:var(--radius-sm);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);white-space:nowrap;cursor:pointer;transition:background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);border:none;min-height:32px;line-height:1;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn svg{width:16px;height:16px}.btn-primary{background:var(--color-primary);color:var(--color-text-inverse)}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-secondary{color:var(--color-primary);border:1px solid var(--color-border);background:0 0}.btn-secondary:hover:not(:disabled){background:var(--color-primary-light);border-color:var(--color-primary-border)}.btn-text{color:var(--color-primary);padding:var(--spacing-xs) var(--spacing-sm);background:0 0}.btn-text:hover:not(:disabled){background:var(--color-primary-light)}.btn-danger{color:var(--color-danger);border:1px solid var(--color-border);background:0 0}.btn-danger:hover:not(:disabled){background:var(--color-danger-light);border-color:var(--color-danger)}.btn-sm{padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--font-size-xs);min-height:26px}.btn-lg{padding:var(--spacing-md) var(--spacing-lg);font-size:var(--font-size-base);min-height:40px}.btn-full{width:100%}.form-group{margin-bottom:var(--spacing-base)}.form-label{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-primary);margin-bottom:var(--spacing-xs);display:block}.form-input{width:100%;padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-base);color:var(--color-text-primary);background:var(--color-card-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none;min-height:36px;display:block}.form-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-light)}.form-input::placeholder{color:var(--color-text-tertiary)}.form-input.error{border-color:var(--color-danger)}.form-input.error:focus{box-shadow:0 0 0 2px var(--color-danger-light)}.form-error{font-size:var(--font-size-xs);color:var(--color-danger);margin-top:var(--spacing-xs)}.form-hint{font-size:var(--font-size-xs);color:var(--color-text-secondary);margin-top:var(--spacing-xs)}.form-select{width:100%;padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-base);color:var(--color-text-primary);background:var(--color-card-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;appearance:auto;outline:none;min-height:36px;display:block}.form-select:focus{border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-light)}.form-textarea{width:100%;padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-base);color:var(--color-text-primary);background:var(--color-card-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm);resize:vertical;min-height:80px;transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none;display:block}.form-textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-light)}.form-checkbox{align-items:flex-start;gap:var(--spacing-sm);cursor:pointer;display:flex}.form-checkbox input[type=checkbox]{accent-color:var(--color-primary);cursor:pointer;width:16px;height:16px;margin-top:2px}.form-checkbox-label{font-size:var(--font-size-sm);color:var(--color-text-primary)}.auth-page{background:var(--color-page-bg);min-height:100vh;padding:var(--spacing-lg);justify-content:center;align-items:center;display:flex}.auth-container{width:100%;max-width:440px}.auth-logo{align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-xl);justify-content:center;display:flex}.auth-logo svg{width:28px;height:28px;color:var(--color-primary)}.auth-logo-text{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.auth-card{background:var(--color-card-bg);border-radius:var(--radius-lg);padding:var(--spacing-xl);border:1px solid var(--color-border-light)}.auth-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin-bottom:var(--spacing-sm)}.auth-subtitle{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-bottom:var(--spacing-lg)}.auth-error{background:var(--color-danger-light);color:var(--color-danger);padding:var(--spacing-md);border-radius:var(--radius-sm);font-size:var(--font-size-sm);margin-bottom:var(--spacing-base);line-height:var(--line-height-base)}.auth-success{background:var(--color-success-light);color:var(--color-success);padding:var(--spacing-md);border-radius:var(--radius-sm);font-size:var(--font-size-sm);margin-bottom:var(--spacing-base);line-height:var(--line-height-base)}.auth-footer{margin-top:var(--spacing-lg);font-size:var(--font-size-sm);color:var(--color-text-secondary);text-align:center}.auth-footer a{color:var(--color-primary);font-weight:var(--font-weight-medium)}.auth-footer a:hover{text-decoration:underline}.auth-links{margin-top:var(--spacing-base);font-size:var(--font-size-sm);justify-content:space-between;align-items:center;display:flex}.auth-links a{color:var(--color-primary)}.auth-links a:hover{text-decoration:underline}.auth-global-footer{padding:var(--spacing-md) var(--spacing-lg);background:var(--color-card-bg);border-top:1px solid var(--color-border-light);z-index:50;position:fixed;bottom:0;left:0;right:0}.auth-global-footer-content{justify-content:center;align-items:center;gap:var(--spacing-md);max-width:1200px;font-size:var(--font-size-sm);color:var(--color-text-secondary);flex-wrap:wrap;margin:0 auto;display:flex}.auth-global-footer-brand{font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.auth-global-footer-divider{color:var(--color-text-tertiary)}.auth-global-footer-links{align-items:center;gap:var(--spacing-lg);display:flex}.auth-global-footer-link{color:var(--color-text-secondary);transition:color var(--transition-fast);text-decoration:none}.auth-global-footer-link:hover{color:var(--color-primary);text-decoration:underline}@media (width<=768px){.auth-global-footer{padding:var(--spacing-sm) var(--spacing-base)}.auth-global-footer-content{gap:var(--spacing-xs);text-align:center;flex-direction:column}.auth-global-footer-divider{display:none}.auth-global-footer-links{gap:var(--spacing-md)}}.legal-page{background:var(--color-page-bg);min-height:100vh;padding:var(--spacing-lg);flex-direction:column;justify-content:center;align-items:center;padding-bottom:80px;display:flex}.legal-container{width:100%;max-width:800px}.legal-header{margin-bottom:var(--spacing-lg)}.legal-back-link{align-items:center;gap:var(--spacing-sm);color:var(--color-text-secondary);font-size:var(--font-size-sm);transition:color var(--transition-fast);text-decoration:none;display:inline-flex}.legal-back-link:hover{color:var(--color-primary)}.legal-back-link svg{flex-shrink:0}.legal-card{background:var(--color-card-bg);border-radius:var(--radius-lg);padding:var(--spacing-xl);border:1px solid var(--color-border-light)}.legal-title{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin-bottom:var(--spacing-sm)}.legal-date{font-size:var(--font-size-sm);color:var(--color-text-tertiary);margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--color-border-light)}.legal-content{color:var(--color-text-primary);line-height:var(--line-height-relaxed)}.legal-section{margin-bottom:var(--spacing-xl)}.legal-section:last-child{margin-bottom:0}.legal-section h2{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin-bottom:var(--spacing-md)}.legal-section p{font-size:var(--font-size-base);color:var(--color-text-secondary);margin-bottom:var(--spacing-md);line-height:var(--line-height-relaxed)}.legal-section ul{margin:0;padding-left:0;list-style:none}.legal-section ul li{padding-left:var(--spacing-lg);margin-bottom:var(--spacing-sm);font-size:var(--font-size-base);color:var(--color-text-secondary);line-height:var(--line-height-relaxed);position:relative}.legal-section ul li:before{content:"•";left:var(--spacing-sm);color:var(--color-primary);font-weight:700;position:absolute}.legal-section ul li strong{color:var(--color-text-primary);font-weight:var(--font-weight-medium)}.help-hero{text-align:center;padding:var(--spacing-lg) 0;margin-bottom:var(--spacing-xl)}.help-hero svg{color:var(--color-primary);margin-bottom:var(--spacing-md)}.help-hero .legal-title{margin-bottom:var(--spacing-sm)}.help-hero .legal-date{border-bottom:none;margin-bottom:0;padding-bottom:0}.help-categories{margin-bottom:var(--spacing-xl)}.help-category{border:1px solid var(--color-border-light);border-radius:var(--radius-md);margin-bottom:var(--spacing-md);background:var(--color-page-bg);overflow:hidden}.help-category:last-child{margin-bottom:0}.help-category-header{width:100%;padding:var(--spacing-md) var(--spacing-lg);cursor:pointer;transition:background-color var(--transition-fast);background:0 0;border:none;justify-content:space-between;align-items:center;display:flex}.help-category-header:hover{background:var(--color-border-light)}.help-category-info{align-items:center;gap:var(--spacing-md);display:flex}.help-category-info svg{color:var(--color-primary);flex-shrink:0}.help-category-title{font-size:var(--font-size-base);font-weight:var(--font-weight-medium);color:var(--color-text-primary)}.help-category-arrow{color:var(--color-text-tertiary);transition:transform var(--transition-normal);flex-shrink:0}.help-category-arrow.rotated{transform:rotate(180deg)}.help-questions{border-top:1px solid 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