.follow-button-container{display:inline-flex;align-items:center;gap:8px}.follow-button{padding:8px 16px;border-radius:var(--border-radius-md);border:none;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:all var(--transition-base);white-space:nowrap}.follow-button-follow{background-color:var(--color-button-primary);color:var(--color-button-text)}.follow-button-follow:hover{background-color:var(--color-button-primary-hover)}.follow-button-follow:active{background-color:var(--color-button-primary-active)}.follow-button-following{background-color:var(--color-background-secondary);color:var(--color-text-primary);border:1px solid var(--color-border)}.follow-button-following:hover{background-color:var(--color-background-tertiary)}.follow-button-pending{background-color:var(--color-background-secondary);color:var(--color-text-secondary);border:1px solid var(--color-border);cursor:default}.follow-button-loading{opacity:.6;cursor:wait}.follow-button:disabled{opacity:.6;cursor:not-allowed}.follow-button-count{font-size:var(--font-size-xs);color:var(--color-text-secondary)}.follow-button-error{font-size:var(--font-size-xs);color:var(--color-error);margin-left:4px}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px;gap:16px}.loading-spinner{width:40px;height:40px;border:4px solid var(--color-background-tertiary);border-top:4px solid var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-message{color:var(--color-text-secondary);font-size:var(--font-size-sm)}.follow-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:10000;padding:20px}.follow-modal-content{background-color:var(--color-background);border-radius:var(--border-radius-lg);width:100%;max-width:500px;max-height:80vh;display:flex;flex-direction:column;box-shadow:var(--shadow-lg)}.follow-modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid var(--color-border)}.follow-modal-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin:0}.follow-modal-close{background:none;border:none;font-size:28px;color:var(--color-text-secondary);cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--border-radius-sm);transition:background-color var(--transition-base)}.follow-modal-close:hover{background-color:var(--color-background-secondary)}.follow-modal-tabs{display:flex;border-bottom:1px solid var(--color-border)}.follow-modal-tab{flex:1;padding:16px;background:none;border:none;border-bottom:2px solid transparent;font-size:var(--font-size-base);font-weight:var(--font-weight-medium);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-base)}.follow-modal-tab:hover{color:var(--color-text-primary);background-color:var(--color-background-secondary)}.follow-modal-tab.active{color:var(--color-button-primary);border-bottom-color:var(--color-button-primary)}.follow-modal-body{flex:1;overflow-y:auto;padding:16px}.follow-modal-list{display:flex;flex-direction:column;gap:12px}.follow-modal-user-card{display:flex;align-items:center;justify-content:space-between;padding:12px;border-radius:var(--border-radius-md);background-color:var(--color-background-secondary);transition:background-color var(--transition-base)}.follow-modal-user-card:hover{background-color:var(--color-background-tertiary)}.follow-modal-user-info{display:flex;align-items:center;gap:12px;flex:1;min-width:0}.follow-modal-user-avatar{width:48px;height:48px;border-radius:50%;-o-object-fit:cover;object-fit:cover;flex-shrink:0}.follow-modal-user-details{flex:1;min-width:0}.follow-modal-username{font-size:var(--font-size-base);font-weight:var(--font-weight-medium);color:var(--color-text-primary);margin:0 0 4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.follow-modal-name{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.follow-modal-empty{text-align:center;padding:40px 20px;color:var(--color-text-secondary)}.follow-modal-load-more{width:100%;padding:12px;margin-top:16px;background-color:var(--color-button-primary);color:var(--color-button-text);border:none;border-radius:var(--border-radius-md);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-base)}.follow-modal-load-more:hover:not(:disabled){background-color:var(--color-button-primary-hover)}.follow-modal-load-more:disabled{opacity:.6;cursor:not-allowed}.profile-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.profile-modal-content{background:var(--color-background);border-radius:8px;max-width:500px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.profile-modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px var(--spacing-lg);border-bottom:var(--border-width) solid var(--color-border)}.profile-modal-header h2{margin:0;font-size:20px;font-weight:600;color:var(--color-text-primary)}.profile-modal-close{background:none;border:none;font-size:28px;color:var(--color-text-secondary);cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background-color var(--transition-base)}.profile-modal-close:hover{background-color:var(--color-background-tertiary)}.profile-modal-body{padding:var(--spacing-lg)}.profile-picture-section{display:flex;justify-content:center;margin-bottom:var(--spacing-lg)}.profile-picture-large{width:120px;height:120px;border-radius:var(--border-radius-full);-o-object-fit:cover;object-fit:cover;border:3px solid var(--color-border)}.profile-picture-placeholder-large{width:120px;height:120px;border-radius:var(--border-radius-full);background:var(--color-background-tertiary);display:flex;align-items:center;justify-content:center;color:var(--color-text-secondary);font-size:.875rem;border:3px solid var(--color-border)}.profile-info{text-align:center}.profile-name{font-size:var(--font-size-xl);font-weight:600;color:var(--color-text-primary);margin:0 0 12px}.profile-bio{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.6;margin:0 0 24px}.profile-section-title{font-size:var(--font-size-base);font-weight:600;color:var(--color-text-primary);margin:0 0 12px;text-align:left}.profile-hobbies{margin-bottom:var(--spacing-lg);text-align:left}.profile-hobbies .hobbies-list{display:flex;flex-wrap:wrap;gap:var(--spacing-sm)}.profile-hobbies .hobby-chip{font-size:var(--font-size-sm);color:var(--color-text-secondary);padding:var(--spacing-xs) var(--spacing-sm);background:var(--color-background-tertiary);border-radius:var(--border-radius-sm);display:flex;align-items:center;gap:var(--spacing-xs)}.profile-social-media{text-align:left}.social-links{display:flex;flex-direction:column;gap:.75rem}.social-link{display:flex;align-items:center;gap:.75rem;padding:.75rem;background:var(--color-background-secondary);border:var(--border-width) solid var(--color-border);border-radius:.375rem;text-decoration:none;color:var(--color-text-primary);transition:background-color var(--transition-base)}.social-link:hover{background-color:var(--color-background-tertiary)}.social-link .social-icon{width:20px;height:20px;-o-object-fit:contain;object-fit:contain;filter:var(--icon-filter-inactive-light)}[data-theme=dark] .social-link .social-icon{filter:var(--icon-filter-inactive-dark)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .social-link .social-icon{filter:var(--icon-filter-inactive-dark)}}.profile-card-follow-section{margin-top:16px;margin-bottom:16px;display:flex;justify-content:center}.profile-card-stats{display:flex;justify-content:center;gap:var(--spacing-xl);margin-top:var(--spacing-md);margin-bottom:var(--spacing-md);padding-top:var(--spacing-md);border-top:1px solid var(--color-border)}.profile-card-stat-item{display:flex;flex-direction:column;align-items:center;gap:4px;background:none;border:none;cursor:pointer;padding:8px;border-radius:var(--border-radius-sm);transition:background-color var(--transition-base)}.profile-card-stat-item:hover{background-color:var(--color-background-secondary)}.profile-card-stat-count{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.profile-card-stat-label{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.profile-modal-footer{display:flex;justify-content:flex-end;padding:20px var(--spacing-lg);border-top:var(--border-width) solid var(--color-border)}.profile-close-button{background-color:var(--color-button-primary);color:var(--color-text-inverse);border:none;padding:10px 20px;border-radius:4px;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-base)}.profile-close-button:hover:not(:disabled){background-color:var(--color-button-primary-hover)}.error-message-container{background:var(--color-error-light);border:1px solid var(--color-error-border);color:var(--color-error-text);padding:12px 16px;border-radius:8px;margin-bottom:16px;display:flex;justify-content:space-between;align-items:center;gap:12px}.error-message-content{display:flex;align-items:center;gap:8px;flex:1}.error-icon{font-size:18px;flex-shrink:0}.error-text{font-size:14px;line-height:1.5}.error-dismiss{background:none;border:none;color:var(--color-error-text);font-size:24px;cursor:pointer;padding:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;flex-shrink:0;opacity:.7;transition:opacity .2s}.error-dismiss:hover{opacity:1}.blocked-users-section{padding:20px}.section-title{font-size:20px;font-weight:600;color:var(--color-text-primary);margin:0 0 20px}.blocked-users-empty{text-align:center;padding:40px 20px;color:var(--color-text-secondary)}.blocked-users-empty p{margin:0;font-size:14px}.blocked-users-list{display:flex;flex-direction:column;gap:12px}.blocked-user-item{display:flex;justify-content:space-between;align-items:center;padding:12px;border:1px solid var(--color-border);border-radius:var(--border-radius-lg);background:var(--color-background)}.blocked-user-info{display:flex;align-items:center;gap:12px}.blocked-user-avatar{width:40px;height:40px;border-radius:50%;-o-object-fit:cover;object-fit:cover}.blocked-user-avatar-placeholder{width:40px;height:40px;border-radius:50%;background:var(--color-border);display:flex;align-items:center;justify-content:center;font-weight:600;color:var(--color-text-secondary);font-size:16px}.blocked-user-name{font-size:14px;font-weight:500;color:var(--color-text-primary)}.blocked-user-unblock-button{padding:8px 16px;border:none;border-radius:var(--border-radius-md);background:var(--color-error);color:var(--color-button-text);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-base)}.blocked-user-unblock-button:hover{background:var(--color-error-border)}.success-message-container{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background-color:var(--color-success-light);border:1px solid 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var(--spacing-lg);border-bottom:var(--border-width) solid var(--color-border);flex-shrink:0}.settings-modal-header h2{margin:0;font-size:20px;font-weight:600;color:var(--color-text-primary)}.settings-modal-close{background:none;border:none;font-size:28px;color:var(--color-text-secondary);cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background-color var(--transition-base)}.settings-modal-close:hover{background-color:var(--color-background-tertiary)}.settings-modal-loading{display:flex;align-items:center;justify-content:center;flex:1;padding:var(--spacing-xl)}.settings-modal-body{display:flex;flex:1;overflow:hidden}.settings-modal-body.desktop{flex-direction:row}.settings-modal-body.mobile{flex-direction:column;overflow-y:auto}.settings-modal-sidebar{width:200px;flex-shrink:0;border-right:var(--border-width) solid var(--color-border);background:var(--color-background-tertiary);display:flex;flex-direction:column;padding:var(--spacing-md) 0}.settings-modal-sidebar-item{padding:12px var(--spacing-lg);text-align:left;background:none;border:none;cursor:pointer;color:var(--color-text-secondary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);transition:background-color var(--transition-base),color var(--transition-base);border-left:3px solid transparent}.settings-modal-sidebar-item:hover{background-color:var(--color-background-tertiary)}.settings-modal-sidebar-item.active{color:var(--color-primary);background-color:var(--color-background-tertiary);border-left-color:var(--color-primary)}.settings-modal-sidebar-item,.settings-modal-dropdown-item{position:relative;display:flex;align-items:center;justify-content:space-between}.settings-modal-badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 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var(--transition-base)}.settings-modal-dropdown-toggle:hover{background-color:var(--color-background-tertiary)}.dropdown-arrow{font-size:12px;color:var(--color-text-secondary)}.settings-modal-dropdown-menu{position:absolute;top:100%;left:0;right:0;background:var(--color-background);border-bottom:var(--border-width) solid var(--color-border);box-shadow:var(--shadow-md);z-index:10}.settings-modal-dropdown-item{width:100%;padding:12px var(--spacing-lg);text-align:left;background:none;border:none;cursor:pointer;color:var(--color-text-secondary);font-size:var(--font-size-sm);transition:background-color var(--transition-base),color var(--transition-base)}.settings-modal-dropdown-item:hover{background-color:var(--color-background-tertiary)}.settings-modal-dropdown-item.active{color:var(--color-primary);background-color:var(--color-background-tertiary);font-weight:var(--font-weight-medium)}.settings-section{background:var(--color-background);border:var(--border-width) solid 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var(--transition-base)}.profile-picture-preview:hover{border-color:var(--color-primary)}.profile-picture-img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.profile-picture-placeholder{width:100%;height:100%;background:var(--color-background-tertiary);display:flex;align-items:center;justify-content:center;color:var(--color-text-secondary);font-size:var(--font-size-sm)}.form-field{margin-bottom:var(--spacing-lg)}.form-field:last-child{margin-bottom:0}.field-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.field-header label{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-secondary)}.privacy-dropdown{font-size:var(--font-size-xs);padding:4px 8px;border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-md);background:var(--color-background);color:var(--color-text-secondary);cursor:pointer}.privacy-dropdown-wrapper{display:inline-block!important;width:auto!important;flex-shrink:0}.privacy-dropdown-button{font-size:var(--font-size-xs)!important;padding:4px 8px!important;min-width:auto!important;width:auto!important;height:auto!important}.privacy-dropdown-menu{min-width:120px}.incomplete-field{position:relative}.incomplete-field input,.incomplete-field textarea,.incomplete-field .dropdown-wrapper{border-color:var(--color-error)!important;border-width:2px!important;background-color:var(--color-input-background)!important;color:var(--color-input-text)!important}.incomplete-field input:focus,.incomplete-field textarea:focus,.incomplete-field .dropdown-wrapper .dropdown-button:focus{border-color:var(--color-error)!important;box-shadow:0 0 0 3px var(--color-error-light)!important}.incomplete-section{border:2px solid var(--color-error);border-radius:var(--border-radius-md);padding:1rem;margin-bottom:1rem}.form-field input,.form-field textarea{width:100%;padding:.75rem;border:var(--border-width) solid var(--color-input-border);border-radius:var(--border-radius-md);font-size:var(--font-size-sm);background-color:var(--color-input-background);color:var(--color-input-text);box-sizing:border-box}.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f61a}.hobby-input-group{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.hobby-input-group input{flex:1;background-color:var(--color-input-background);color:var(--color-input-text);border:var(--border-width) solid var(--color-input-border)}.add-hobby-button{padding:.75rem 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.nav-dropdown-settings-icon img{filter:var(--icon-filter-inactive-dark)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .nav-dropdown-settings-icon img{filter:var(--icon-filter-inactive-dark)}}.nav-dropdown-separator{height:1px;background:var(--color-border);margin:.5rem 0}.nav-profile-picture{width:40px;height:40px;border-radius:50%;border:2px solid var(--color-border);cursor:pointer;padding:0;background:none;overflow:visible;display:flex;align-items:center;justify-content:center;aspect-ratio:1;position:relative}.nav-profile-picture img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;aspect-ratio:1;border-radius:50%}.nav-profile-placeholder{width:100%;height:100%;background:var(--gradient-primary);color:var(--color-text-inverse);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1rem}.nav-profile-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:8px;box-shadow:var(--shadow-md);min-width:240px;z-index:1000;overflow:hidden}.nav-dropdown-item{width:100%;padding:.75rem 1rem;text-align:left;background:none;border:none;cursor:pointer;color:var(--color-text-secondary);font-size:.95rem;transition:background-color .2s}.nav-dropdown-item:hover{background-color:var(--color-background-secondary)}.nav-dropdown-item:first-child{border-top-left-radius:8px;border-top-right-radius:8px}.nav-dropdown-item:last-child{border-bottom-left-radius:8px;border-bottom-right-radius:8px}.nav-bottom-bar{position:fixed;bottom:0;left:0;right:0;height:56px;background:var(--color-background);border-top:var(--border-width) solid var(--color-border);display:flex;justify-content:space-between;align-items:center;padding:0 1rem;z-index:999;transition:transform .25s cubic-bezier(.4,0,.2,1)}.nav-bottom-bar.visible{transform:translateY(0)}.nav-bottom-bar.hidden{transform:translateY(100%)}.nav-bottom-item{flex:0 0 auto;display:flex;align-items:center;justify-content:center;background:none;border:none;cursor:pointer;padding:.5rem;margin-right:auto}.nav-bottom-notification{flex:0 0 auto;margin:0 auto}.nav-bottom-icon{width:24px;height:24px;filter:var(--icon-filter-inactive-light)}[data-theme=dark] .nav-bottom-icon{filter:var(--icon-filter-inactive-dark)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .nav-bottom-icon{filter:var(--icon-filter-inactive-dark)}}.nav-bottom-menu-button{width:48px;height:48px;border-radius:50%;background:var(--color-button-primary);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;position:absolute;left:50%;transform:translate(-50%)}.nav-menu-icon{width:24px;height:24px;filter:brightness(0) invert(1)}.nav-bottom-profile{flex:0 0 auto;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:2px solid var(--color-border);cursor:pointer;padding:0;background:none;overflow:visible;margin-left:auto;aspect-ratio:1;position:relative}.nav-bottom-profile img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;aspect-ratio:1;border-radius:50%}.nav-bottom-profile-placeholder{width:100%;height:100%;background:var(--gradient-primary);color:var(--color-text-inverse);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.875rem;border-radius:50%}.nav-mobile-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:1000}.nav-mobile-menu-bottom{position:fixed;bottom:56px;left:0;right:0;background:var(--color-background);border-top-left-radius:20px;border-top-right-radius:20px;padding:20px 1rem;display:flex;flex-direction:column;gap:1rem;z-index:1001;max-height:calc(100vh - 76px);overflow-y:auto;animation:slideUp .3s ease}.nav-mobile-profile-section{display:flex;align-items:center;justify-content:space-between;padding:.75rem 0;border-bottom:var(--border-width) solid var(--color-border);margin-bottom:.5rem}.nav-mobile-profile-name{color:var(--color-text-secondary);text-decoration:none;font-size:1rem;font-weight:600;background:none;border:none;cursor:pointer;padding:0;transition:color .2s;flex:1;text-align:left}.nav-mobile-profile-name:hover{color:var(--color-primary)}.nav-mobile-settings-button{width:24px;height:24px;padding:0;background:none;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:.7;transition:opacity .2s;margin-left:.5rem}.nav-mobile-settings-button:hover{opacity:1}.nav-mobile-settings-button img{width:100%;height:100%;filter:var(--icon-filter-inactive-light)}.nav-mobile-settings-button:hover img{opacity:1}[data-theme=dark] .nav-mobile-settings-button img{filter:var(--icon-filter-inactive-dark)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .nav-mobile-settings-button img{filter:var(--icon-filter-inactive-dark)}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}@media (min-width: 640px){.nav-bottom-bar,.nav-mobile-overlay,.nav-mobile-menu-bottom{display:none}}.post-form-collapsed{padding:12px 16px;cursor:pointer;border:var(--border-width) solid var(--color-border)}.post-form-collapsed:hover{border-color:var(--color-border);box-shadow:var(--shadow-sm)}.post-form-collapsed-content{display:flex;align-items:center}.collapsed-placeholder{color:var(--color-text-secondary);font-size:14px;width:100%}.community-select-link-wrapper{position:relative;display:inline-block}.community-select-link-button{background:none;border:none;padding:0;cursor:pointer;display:flex;align-items:center;gap:4px;font-size:14px;color:var(--color-primary);transition:color var(--transition-base);font-family:inherit}.community-select-link-button:hover:not(:disabled){color:var(--color-primary-hover);text-decoration:underline}.community-select-link-button:disabled{opacity:.5;cursor:not-allowed}.community-select-link-text{font-weight:500}.community-select-link-arrow{font-size:10px;margin-left:2px;transition:transform .2s}.community-select-link-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:8px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;min-width:200px;max-width:300px;max-height:300px;overflow-y:auto;z-index:1000;padding:4px}.community-select-link-item{width:100%;padding:10px 12px;text-align:left;background:none;border:none;cursor:pointer;font-size:14px;color:var(--color-text-primary);border-radius:4px;transition:background-color .2s;font-family:inherit}.community-select-link-item:hover{background-color:var(--color-background-tertiary)}.community-select-link-item.selected{background-color:var(--color-background-tertiary);color:var(--color-primary);font-weight:500}.community-select-link-empty{padding:12px;text-align:center;color:var(--color-text-secondary);font-size:14px}.selected-community-info{padding:10px;background-color:var(--color-background-tertiary);border-radius:4px;font-size:14px;color:var(--color-text-primary)}.selected-community-info strong{color:var(--color-text-primary)}.post-content-textarea{padding:8px 12px;border:var(--border-width) solid var(--color-input-border);border-radius:4px;font-size:14px;font-family:inherit;width:100%;resize:none;overflow-y:hidden;line-height:1.4;transition:height .1s ease;max-height:300px;min-height:38px!important;height:38px!important;box-sizing:border-box;background-color:var(--color-input-background);color:var(--color-input-text)}.image-preview-container{margin-bottom:12px}.image-preview-wrapper{position:relative;display:inline-block}.image-preview{width:100px;height:100px;-o-object-fit:cover;object-fit:cover;border-radius:4px;border:var(--border-width) solid var(--color-border)}.remove-image-button{position:absolute;top:-8px;right:-8px;width:24px;height:24px;border-radius:50%;background-color:var(--color-error);color:var(--color-text-inverse);border:none;font-size:18px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .2s}.remove-image-button:hover:not(:disabled){background-color:var(--color-error-border)}.remove-image-button:disabled{opacity:.5;cursor:not-allowed}.video-preview-container{margin-top:12px;margin-bottom:12px}.video-preview-card{position:relative;border:var(--border-width) solid var(--color-border-light);border-radius:var(--border-radius-md, 8px);overflow:hidden;background-color:var(--color-background);display:flex;flex-direction:column}.video-preview-thumbnail{position:relative;width:100%;aspect-ratio:16 / 9;background-color:var(--color-border-light);overflow:hidden;display:flex;align-items:center;justify-content:center}.video-preview-thumbnail img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.video-preview-play-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:64px;height:64px;background-color:#0009;border-radius:50%;display:flex;align-items:center;justify-content:center;pointer-events:none;transition:background-color var(--transition-base, .2s)}.video-preview-card:hover .video-preview-play-icon{background-color:#000c}.video-preview-content{padding:12px;flex:1}.video-preview-provider{font-size:12px;color:var(--color-text-secondary);text-transform:uppercase;font-weight:var(--font-weight-medium, 500);margin-bottom:4px}.video-preview-title{font-size:var(--font-size-base, 14px);color:var(--color-text-primary);font-weight:var(--font-weight-medium, 500);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-preview-remove{position:absolute;top:8px;right:8px;width:28px;height:28px;border-radius:50%;background-color:#0009;color:var(--color-text-inverse);border:none;font-size:20px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color var(--transition-base, .2s);z-index:10}.video-preview-remove:hover{background-color:#000c}.video-preview-remove:active{transform:scale(.95)}.image-upload-button{display:flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;background-color:var(--color-background-tertiary);border:var(--border-width) solid var(--color-border);border-radius:4px;cursor:pointer;transition:all .2s}.image-upload-button:hover{background-color:var(--color-border);border-color:var(--color-border)}.image-upload-button .image-plus-icon{width:20px;height:20px;transition:filter .2s;filter:var(--icon-filter-inactive-light)}.image-upload-button .image-plus-icon.image-selected{filter:brightness(0) saturate(100%) invert(48%) sepia(79%) saturate(2476%) hue-rotate(86deg) brightness(118%) contrast(119%)}[data-theme=dark] .image-upload-button .image-plus-icon{filter:var(--icon-filter-inactive-dark)}[data-theme=dark] .image-upload-button .image-plus-icon.image-selected{filter:brightness(0) saturate(100%) invert(48%) sepia(79%) saturate(2476%) hue-rotate(86deg) brightness(118%) contrast(119%)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .image-upload-button .image-plus-icon{filter:var(--icon-filter-inactive-dark)}:root:not([data-theme=light]) .image-upload-button .image-plus-icon.image-selected{filter:brightness(0) saturate(100%) invert(48%) sepia(79%) saturate(2476%) hue-rotate(86deg) brightness(118%) contrast(119%)}}.cancel-button{background-color:var(--color-background-tertiary);color:var(--color-text-primary);border:none;padding:10px 20px;border-radius:4px;font-size:14px;font-weight:500;cursor:pointer;transition:background-color .2s}.submit-post-button{background-color:var(--color-button-primary);color:var(--color-button-text);border:none;width:40px;height:40px;padding:0;border-radius:4px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;position:relative}.submit-post-button:hover:not(:disabled){background-color:var(--color-button-primary-hover);transform:translateY(-2px)}.submit-post-button:disabled{opacity:.5;cursor:not-allowed;transform:none}.submit-post-icon{width:20px;height:20px;filter:var(--icon-filter-white);display:block;flex-shrink:0}.profile-completion-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:2000;padding:20px}.profile-completion-modal-content{background:var(--color-background);border-radius:var(--border-radius-lg, 8px);box-shadow:var(--shadow-lg);max-width:500px;width:100%;max-height:90vh;overflow-y:auto}.profile-completion-modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:var(--border-width, 1px) solid var(--color-border, #e5e7eb)}.profile-completion-modal-header h2{margin:0;font-size:1.25rem;font-weight:var(--font-weight-bold, 700);color:var(--color-text-primary, #111827)}.profile-completion-modal-close{background:none;border:none;font-size:28px;color:var(--color-text-secondary, #6b7280);cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background-color var(--transition-base, .2s)}.profile-completion-modal-close:hover{background-color:var(--color-background-tertiary, #f3f4f6)}.profile-completion-modal-body{padding:20px}.profile-completion-modal-message{margin:0 0 16px;font-size:var(--font-size-sm, .875rem);color:var(--color-text-primary, #111827);line-height:1.5}.profile-completion-modal-list{list-style:none;padding:0;margin:0}.profile-completion-modal-list li{padding:8px 0;font-size:var(--font-size-sm, .875rem);color:var(--color-text-primary, #111827);border-bottom:var(--border-width, 1px) solid var(--color-border, #e5e7eb)}.profile-completion-modal-list li:last-child{border-bottom:none}.profile-completion-modal-list li:before{content:"•";color:var(--color-error, #ef4444);font-weight:700;margin-right:8px}.profile-completion-modal-actions{display:flex;gap:12px;padding:20px;border-top:var(--border-width) solid var(--color-border)}.profile-completion-modal-button{flex:1;padding:10px 20px;border-radius:var(--border-radius-md, 6px);font-size:var(--font-size-sm, .875rem);font-weight:var(--font-weight-medium, 500);cursor:pointer;transition:all var(--transition-base, .2s);border:var(--border-width, 1px) solid transparent}.profile-completion-modal-button.primary{background-color:var(--color-button-primary);color:var(--color-button-text);border-color:var(--color-button-primary)}.profile-completion-modal-button.primary:hover{background-color:var(--color-button-primary-hover);border-color:var(--color-button-primary-hover)}.profile-completion-modal-button.secondary{background-color:var(--color-background);color:var(--color-text-primary, #111827);border-color:var(--color-border)}.profile-completion-modal-button.secondary:hover{background-color:var(--color-background-tertiary, #f3f4f6)}.post-form-container{background:var(--color-background);border-radius:8px;padding:20px;margin-bottom:24px;box-shadow:var(--shadow-sm);transition:all .3s ease}[data-theme=dark] .post-form-container{background-color:var(--color-background-secondary);border:var(--border-width) solid transparent}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .post-form-container{background-color:var(--color-background-secondary);border:var(--border-width) solid transparent}}.post-form-expanded{padding:20px}.post-form-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:16px}.post-form-title{margin:0;font-size:20px;font-weight:600;color:var(--color-text-primary);flex-shrink:0}.post-form{display:flex;flex-direction:column;gap:16px}.form-actions{display:flex;gap:12px;justify-content:flex-end;align-items:center}.no-communities-message{padding:20px;text-align:center;color:var(--color-text-secondary);background-color:var(--color-background-secondary);border-radius:4px}.error-message{background-color:var(--color-error-light);color:var(--color-error);padding:12px;border-radius:4px;font-size:14px;margin-bottom:16px}.post-menu-dropdown{position:absolute;top:100%;right:0;margin-top:8px;background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-md);box-shadow:var(--shadow-md);min-width:180px;z-index:99999;overflow:hidden}.post-menu-item{width:100%;padding:12px 16px;text-align:left;background:none;border:none;color:var(--color-text-primary);font-size:var(--font-size-sm);cursor:pointer;transition:background-color var(--transition-base)}.post-menu-item:hover{background-color:var(--color-border-light)}.post-menu-item-danger{color:var(--color-error)}.post-menu-item-danger:hover{background-color:var(--color-error-light)}.post-menu-divider{height:1px;background-color:var(--color-border-light);margin:4px 0}.video-embed-container{margin-top:12px;margin-bottom:12px;width:100%}.video-embed-wrapper{position:relative;width:100%;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:var(--border-radius-md, 8px);background-color:var(--color-border-light)}.video-embed-wrapper iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none;border-radius:var(--border-radius-md, 8px)}@media (max-width: 640px){.video-embed-container{margin-top:8px;margin-bottom:8px}.video-embed-wrapper,.video-embed-wrapper iframe{border-radius:var(--border-radius-sm, 4px)}}.post-views-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:2000}.post-views-modal-content{background:var(--color-background);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-lg);max-width:500px;width:90%;max-height:80vh;overflow-y:auto}.post-views-modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:var(--border-width) solid var(--color-border-light)}.post-views-modal-header h3{margin:0;font-size:var(--font-size-lg);color:var(--color-text-primary)}.post-views-modal-close{background:none;border:none;font-size:24px;color:var(--color-text-secondary);cursor:pointer;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;transition:color var(--transition-base)}.post-views-modal-close:hover{color:var(--color-text-primary)}.post-views-back-button{background:none;border:none;font-size:20px;color:var(--color-text-primary);cursor:pointer;padding:4px 8px;display:flex;align-items:center;justify-content:center;transition:color var(--transition-base),background-color 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var(--transition-base)}.reply-form-submit{background:var(--color-button-primary);color:var(--color-button-text);border:none;width:40px;height:40px;padding:0;display:flex;align-items:center;justify-content:center}.reply-form-submit:hover:not(:disabled){background:var(--color-button-primary-hover);transform:translateY(-2px)}.reply-form-submit:disabled{opacity:.5;cursor:not-allowed;transform:none}.reply-form-send-icon{width:20px;height:20px;filter:var(--icon-filter-white)}.reply-form-cancel{background:transparent;color:var(--color-text-secondary);border:var(--border-width) solid var(--color-border)}.reply-form-cancel:hover{background:var(--color-border-light)}.reply-item{margin-bottom:12px;padding-bottom:8px;margin-left:24px;padding-left:12px;border-left:2px solid var(--color-border-light);background-color:transparent}.reply-content{display:flex;flex-direction:column;gap:8px}.reply-header{display:flex;align-items:flex-start;gap:8px}.reply-avatar{width:32px;height:32px;border-radius:50%;-o-object-fit:cover;object-fit:cover;border:2px solid var(--color-border-light);flex-shrink:0}.reply-avatar-placeholder{display:flex;align-items:center;justify-content:center;background:var(--gradient-primary);color:var(--color-text-inverse);font-size:14px;font-weight:var(--font-weight-semibold)}.reply-info{flex:1;display:flex;flex-direction:column;gap:4px}.reply-author-name-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.reply-author{font-weight:var(--font-weight-semibold);color:var(--color-primary);font-size:var(--font-size-sm)}.reply-replied-to{font-size:var(--font-size-xs);color:var(--color-text-secondary)}.reply-parent-mention{font-weight:var(--font-weight-semibold);color:var(--color-primary);font-size:var(--font-size-sm)}.reply-time{font-size:var(--font-size-xs);color:var(--color-text-secondary)}.reply-text{color:var(--color-text-primary);font-size:var(--font-size-sm);line-height:1.5;white-space:pre-wrap;word-wrap:break-word;margin-left:40px}.reply-actions{display:flex;align-items:center;gap:16px;margin-top:8px;margin-left:40px}.reply-action-button{display:flex;align-items:center;gap:4px;background:none;border:none;color:var(--color-text-secondary);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);cursor:pointer;padding:4px 8px;border-radius:var(--border-radius-sm);transition:all var(--transition-base)}.reply-action-button:hover{background-color:var(--color-border-light);color:var(--color-text-primary)}.reply-action-button.reply-action-active{color:var(--color-primary)}.reply-action-button.reply-action-delete{color:var(--color-error)}.reply-action-button.reply-action-delete:hover{background-color:#ef44441a}.reply-action-icon{width:16px;height:16px;opacity:.7;filter:var(--icon-filter-inactive-light)}.reply-action-active .reply-action-icon{opacity:1;filter:var(--icon-filter-active)}[data-theme=dark] .reply-action-icon{filter:var(--icon-filter-inactive-dark)}[data-theme=dark] .reply-action-active .reply-action-icon{filter:var(--icon-filter-active)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .reply-action-icon{filter:var(--icon-filter-inactive-dark)}:root:not([data-theme=light]) .reply-action-active .reply-action-icon{filter:var(--icon-filter-active)}}.reply-action-count{font-size:var(--font-size-xs);font-weight:var(--font-weight-medium)}.reply-edit-form{margin-left:40px;margin-top:8px}.reply-edit-input{width:100%;min-height:60px;padding:8px 12px;border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-md);font-size:var(--font-size-sm);font-family:inherit;color:var(--color-text-primary);background:var(--color-background);resize:vertical;line-height:1.5}.reply-edit-input:focus{outline:none;border-color:var(--color-primary)}.reply-edit-actions{display:flex;gap:8px;margin-top:8px;justify-content:flex-end}.reply-edit-cancel,.reply-edit-save{padding:6px 16px;border-radius:var(--border-radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:all var(--transition-base);border:var(--border-width) solid var(--color-border)}.reply-edit-cancel{background:var(--color-background);color:var(--color-text-secondary)}.reply-edit-cancel:hover{background-color:var(--color-border-light);color:var(--color-text-primary)}.reply-edit-save{background:var(--color-button-primary);color:var(--color-button-text);border-color:var(--color-button-primary)}.reply-edit-save:hover:not(:disabled){background:var(--color-button-primary-hover);border-color:var(--color-button-primary-hover);border-color:var(--color-primary-hover)}.reply-edit-save:disabled{opacity:.5;cursor:not-allowed}.reply-reply-form{margin-top:12px;margin-left:40px}.comment-section{margin-top:16px;padding-top:16px;border-top-width:0px;border-top-color:#0000;border-top-style:none;-o-border-image:none;border-image:none;overflow:visible}.comment-section-header{margin-bottom:16px}.comment-section-title{margin:0;font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.comment-list{margin-top:16px}.comment-loading{text-align:center;padding:16px;color:var(--color-text-secondary);font-size:var(--font-size-sm)}.comment-load-more{width:100%;padding:12px;background:transparent;border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-md);color:var(--color-text-primary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-base);margin-top:16px}.comment-load-more:hover{background-color:var(--color-border-light)}.see-more-comments-link{background:none;border:none;color:var(--color-primary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;padding:8px 0;margin-top:8px;text-decoration:none;transition:color var(--transition-base);display:block;width:100%;text-align:left}.comment-wrapper{margin-bottom:16px}.comment-reply-form-wrapper{margin-top:12px;margin-left:40px}.comment-replies{margin-top:12px;margin-left:0;padding-left:0;border-left:none;background-color:transparent}.reply-count-link{background:none;border:none;color:var(--color-primary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;padding:8px 0;margin-top:8px;margin-left:40px;text-decoration:none;transition:color var(--transition-base);display:block;text-align:left}.reply-count-link:hover{color:var(--color-primary-hover);text-decoration:underline}.load-more-replies-link{background:none;border:none;color:var(--color-primary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;padding:8px 0;margin-top:8px;margin-left:36px;text-decoration:none;transition:color var(--transition-base);display:block;text-align:left}.load-more-replies-link:hover{color:var(--color-primary-hover);text-decoration:underline}.course-event-embed-card{background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-md);cursor:pointer;transition:box-shadow var(--transition-base);overflow:hidden;margin:var(--spacing-md) 0}[data-theme=dark] .course-event-embed-card{border-color:transparent;background-color:var(--color-background-secondary)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .course-event-embed-card{border-color:transparent;background-color:var(--color-background-secondary)}}.course-event-embed-card:hover{box-shadow:var(--shadow-md)}.course-event-embed-thumbnail{width:calc(100% + 2 * var(--spacing-lg) + 2 * var(--border-width));height:200px;-o-object-fit:cover;object-fit:cover;border-radius:var(--border-radius-lg) var(--border-radius-lg) 0 0;margin:calc(-1 * var(--spacing-lg) - var(--border-width)) calc(-1 * var(--spacing-lg) - var(--border-width)) var(--spacing-xs) calc(-1 * var(--spacing-lg) - var(--border-width));display:block;max-width:1000%}.course-event-embed-content{flex:1}.course-event-embed-title{font-size:1.25rem;font-weight:600;color:var(--color-text-primary);margin:0 0 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var(--color-border);border-radius:var(--border-radius-lg);padding:12px;margin-bottom:var(--spacing-md);box-shadow:var(--shadow-sm);position:relative;overflow:visible;color:#f3f3f3;will-change:transform;transform:translateZ(0)}.post-card-menu-open{z-index:1000}.post-card-hidden{padding-top:24px;padding-bottom:24px}.post-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;position:relative}.post-header-right{display:flex;align-items:center;gap:12px}.post-menu-container{position:relative;z-index:1}.post-menu-button{background:none;border:none;padding:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:var(--border-radius-sm);transition:background-color var(--transition-base)}.post-menu-button:hover{background-color:var(--color-border-light)}.post-menu-icon{width:20px;height:20px;opacity:.7;filter:var(--icon-filter-inactive-light)}.post-author-info{flex:1}.post-author-row{display:flex;align-items:flex-start;gap:8px}.post-author-details{display:flex;flex-direction:column;gap:0px;flex:1;min-width:0}.post-header-follow{margin-left:8px;flex-shrink:0}.post-meta{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--color-text-secondary)}.post-meta-separator{color:var(--color-text-secondary);opacity:.6}.post-author-avatar{width:32px;height:32px;border-radius:50%;-o-object-fit:cover;object-fit:cover;border:2px solid var(--color-border-light);flex-shrink:0}.post-author-avatar-placeholder{display:flex;align-items:center;justify-content:center;background:var(--gradient-primary);color:var(--color-text-inverse);font-size:14px;font-weight:var(--font-weight-semibold);border:2px solid var(--color-border-light)}.post-author{font-weight:var(--font-weight-semibold);color:var(--color-text-primary);font-size:var(--font-size-sm);transition:color var(--transition-base)}.post-author:hover{color:var(--color-primary)}.post-community{font-size:12px;color:var(--color-text-secondary)}.post-time{color:var(--color-text-secondary);font-size:12px;display:flex;align-items:center;gap:6px}.post-edited-badge{color:var(--color-primary);font-size:11px;font-weight:500}.post-content{color:var(--color-text-primary);margin-bottom:12px;line-height:1.6;white-space:pre-wrap;word-wrap:break-word}.cover-photo-change-post{display:flex;align-items:center;gap:12px;padding:12px;background-color:var(--color-background-tertiary);border-radius:8px;margin-bottom:12px}.cover-photo-change-thumbnail{width:50px;height:50px;border-radius:8px;-o-object-fit:cover;object-fit:cover;flex-shrink:0;border:2px solid var(--color-border)}.cover-photo-change-content{flex:1;min-width:0}.cover-photo-change-text{font-size:14px;font-weight:500;color:var(--color-text-primary);margin-bottom:4px}.cover-photo-change-meta{font-size:12px;color:var(--color-text-secondary)}.post-image-container{margin-top:12px;margin-bottom:12px;width:100%;aspect-ratio:1 / 1;position:relative;display:flex;justify-content:center;align-items:center;background-color:var(--color-background-tertiary);border-radius:var(--border-radius-md);overflow:hidden;cursor:pointer}.post-image{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;display:block;border-width:0px;border-color:#0000;-o-border-image:none;border-image:none;border-style:none;border-radius:20px}.post-image-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background-color:#0000004d;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity var(--transition-base);pointer-events:none}.post-image-container:hover .post-image-overlay{opacity:1}.post-image-zoom-icon{width:48px;height:48px;filter:var(--icon-filter-light)}.post-footer{padding-top:12px;border-top-width:0px;border-top-color:#0000;border-top-style:none;-o-border-image:none;border-image:none}.post-actions{display:flex;align-items:center;justify-content:flex-start;gap:5px}.post-action-button{display:flex;align-items:center;gap:6px;background:none;border:none;padding:6px 8px;cursor:pointer;border-radius:var(--border-radius-sm);transition:background-color var(--transition-base);font-size:var(--font-size-sm);color:var(--color-text-secondary)}.post-action-button:hover{background-color:var(--color-border-light)}.post-action-button:disabled{cursor:default;opacity:.6}.post-action-button:disabled:hover{background-color:transparent}.post-action-active{color:var(--color-primary)}.post-action-active .post-action-icon{opacity:1;filter:var(--icon-filter-active)}.post-action-icon{width:20px;height:20px;opacity:.8;filter:var(--icon-filter-inactive-light)}.post-action-count{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-primary)}.post-views-button{position:relative}.post-views-clickable{cursor:pointer}.post-views-clickable:hover{background-color:var(--color-border-light)}.post-views-non-clickable{cursor:default;pointer-events:none;opacity:.6}.post-share-button{margin-left:auto;color:var(--color-text-primary);font-weight:var(--font-weight-medium)}.first-comment-preview{margin-top:12px;margin-bottom:12px;padding-top:12px;border-top:var(--border-width) solid var(--color-border-light)}.see-more-comments-link{background:none;border:none;color:var(--color-primary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;padding:8px 0;margin-top:8px;text-decoration:none;transition:color var(--transition-base)}.see-more-comments-link:hover{color:var(--color-primary-hover);text-decoration:underline}[data-theme=dark] .post-action-icon{filter:var(--icon-filter-inactive-dark)}[data-theme=dark] .post-action-active .post-action-icon{filter:var(--icon-filter-active)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .post-action-icon{filter:var(--icon-filter-inactive-dark)}:root:not([data-theme=light]) .post-action-active .post-action-icon{filter:var(--icon-filter-active)}}[data-theme=dark] .post-menu-icon{filter:var(--icon-filter-inactive-dark)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .post-menu-icon{filter:var(--icon-filter-inactive-dark)}}[data-theme=dark] .post-card{border-color:transparent;background-color:var(--color-background-secondary)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .post-card{border-color:transparent;background-color:var(--color-background-secondary)}}.feed-container{width:100%}.feed-posts{display:flex;flex-direction:column;gap:16px}.feed-loading{text-align:center;padding:48px;color:var(--color-text-secondary);background:var(--color-background-secondary);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg)}.feed-empty{text-align:center;padding:16px;color:var(--color-text-secondary);background:var(--color-background-secondary);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);margin:0 auto}.base-sidebar-card{background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);padding:20px;position:sticky;top:20px}[data-theme=dark] .base-sidebar-card{border-color:transparent;background-color:var(--color-background-secondary)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .base-sidebar-card{border-color:transparent;background-color:var(--color-background-secondary)}}.base-sidebar-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:var(--border-width) solid var(--color-border)}.base-sidebar-title{font-size:18px;font-weight:600;margin:0;line-height:1;color:var(--color-text-primary)}.base-sidebar-count{font-size:14px;color:var(--color-text-secondary);font-weight:500}.base-sidebar-content{display:flex;flex-direction:column;gap:12px}.community-item{display:flex;align-items:center;gap:12px;padding:8px;border-radius:8px;cursor:pointer;transition:background-color .2s}.community-item:hover{background-color:var(--color-background-secondary)}.community-item-selected,.community-item-selected:hover{background-color:var(--color-background-tertiary)}.community-cover-img{width:50px;height:50px;border-radius:8px;-o-object-fit:cover;object-fit:cover;-o-object-position:center;object-position:center;flex-shrink:0;border:2px solid var(--color-border)}.community-cover-placeholder{width:50px;height:50px;border-radius:8px;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;color:var(--color-text-inverse);font-weight:600;font-size:20px;flex-shrink:0;border:2px solid var(--color-border)}.community-item-info{flex:1;min-width:0}.community-item-name{font-size:14px;font-weight:600;color:var(--color-text-primary);margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;width:100%;max-width:100%}.community-item-meta{display:flex;flex-direction:column;gap:2px}.community-item-members{font-size:12px;color:var(--color-text-secondary)}.no-communities{text-align:center;padding:24px;color:var(--color-text-secondary);font-size:14px}.homepage-container{max-width:var(--container-width-wide);margin:var(--container-margin);padding:0}.community-content{padding-left:0;padding-right:0}.feed-title{font-size:var(--font-size-xl);font-weight:700;margin-bottom:1.5rem;margin-right:0;margin-left:12px;padding-left:12px;padding-right:12px;color:var(--color-text-primary)}.feed{display:flex;flex-direction:column;gap:var(--spacing-md)}.post-card{background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);padding:12px;color:var(--color-text-inverse)}.post-header{display:flex;justify-content:space-between;margin-bottom:1rem}.post-author{font-weight:600;color:var(--color-text-primary)}.post-date{color:var(--color-text-secondary);font-size:var(--font-size-sm)}.post-content{color:var(--color-text-primary);margin-bottom:1rem;line-height:1.6}.post-actions{display:flex;gap:var(--spacing-md);align-items:center;padding-top:1rem;border-top:var(--border-width) solid var(--color-border)}.post-action{background:none;border:none;color:var(--color-primary);cursor:pointer;font-size:var(--font-size-sm);padding:.25rem .5rem}.post-action:hover{text-decoration:underline}.post-views{margin-left:auto;color:var(--color-text-secondary);font-size:var(--font-size-sm)}.empty-feed{text-align:center;padding:var(--spacing-2xl);color:var(--color-text-secondary);background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg)}.error-message{background:var(--color-error-light);border:var(--border-width) solid var(--color-error-border);color:var(--color-error-text);padding:var(--spacing-md);border-radius:var(--border-radius-lg);margin-bottom:var(--spacing-md)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:var(--z-index-modal)}.modal-content{background:var(--color-background);border-radius:var(--border-radius-lg);padding:var(--spacing-lg);max-width:500px;width:90%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-md)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-header h2{margin:0;font-size:24px;font-weight:var(--font-weight-semibold)}.modal-close{background:none;border:none;font-size:28px;cursor:pointer;color:var(--color-text-secondary);padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--border-radius-md)}.modal-close:hover{background-color:var(--color-border-light)}.modal-close:disabled{opacity:.5;cursor:not-allowed}.create-community-form{display:flex;flex-direction:column;gap:16px}.form-group label{font-weight:500;color:#333}.form-group input,.form-group textarea,.form-group select{padding:10px;border:var(--border-width) solid var(--color-input-border);border-radius:var(--border-radius-md);font-size:14px;font-family:inherit;background-color:var(--color-input-background);color:var(--color-input-text)}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.form-group input:disabled,.form-group textarea:disabled,.form-group select:disabled{background-color:#f5f5f5;cursor:not-allowed}.form-group textarea{resize:vertical;min-height:80px}.form-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:8px}.cancel-button,.submit-button{padding:10px 20px;border:none;border-radius:var(--border-radius-md);font-size:14px;font-weight:500;cursor:pointer;transition:background-color var(--transition-base)}.cancel-button{background-color:var(--color-background-tertiary);color:var(--color-text-primary)}.cancel-button:hover:not(:disabled){background-color:var(--color-border)}.submit-button{background-color:var(--color-button-primary);color:var(--color-button-text)}.submit-button:hover:not(:disabled){background-color:var(--color-button-primary-hover)}.cancel-button:disabled,.submit-button:disabled{opacity:.5;cursor:not-allowed}.error-message{background-color:#fee2e2;color:#991b1b;padding:12px;border-radius:var(--border-radius-md);margin-bottom:16px;font-size:14px}.preview-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:var(--z-index-modal);padding:20px}.preview-modal-content{background:var(--color-background);border-radius:var(--border-radius-lg);max-width:500px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.preview-modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:var(--border-width) solid var(--color-border)}.preview-modal-header h2{margin:0;font-size:20px;font-weight:600;color:var(--color-text-primary)}.preview-modal-close{background:none;border:none;font-size:28px;color:var(--color-text-secondary);cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--border-radius-md);transition:background-color var(--transition-base)}.preview-modal-close:hover{background-color:#f3f4f6}.preview-modal-body{padding:var(--spacing-lg)}.preview-community-info{margin-bottom:24px}.preview-community-name{font-size:var(--font-size-xl);font-weight:600;color:var(--color-text-primary);margin:0 0 12px}.preview-community-description{font-size:14px;color:var(--color-text-secondary);line-height:1.6;margin:0 0 20px}.preview-community-meta{display:flex;flex-direction:column;gap:12px;padding-top:16px;border-top:var(--border-width) solid var(--color-border)}.preview-price-section{display:flex;justify-content:space-between;align-items:center}.preview-price-label{font-size:14px;color:var(--color-text-secondary)}.preview-price-value{font-size:20px;font-weight:600;color:var(--color-primary-hover)}.preview-members-section{display:flex;align-items:center}.preview-members-count{font-size:14px;color:var(--color-text-secondary)}.preview-creator-section{display:flex;align-items:center;justify-content:space-between;padding:16px;margin-top:16px;background-color:var(--color-background-secondary);border-radius:var(--border-radius-md);border:var(--border-width) solid var(--color-border)}.preview-creator-info{display:flex;align-items:center;gap:12px;flex:1;min-width:0}.preview-creator-avatar{width:48px;height:48px;border-radius:50%;-o-object-fit:cover;object-fit:cover;flex-shrink:0}.preview-creator-details{flex:1;min-width:0}.preview-creator-label{font-size:12px;color:var(--color-text-secondary);margin:0 0 4px;text-transform:uppercase;letter-spacing:.5px}.preview-creator-name{font-size:var(--font-size-base);font-weight:var(--font-weight-medium);color:var(--color-text-primary);margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.preview-modal-message{background:var(--color-background-secondary);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-md);padding:16px;margin-top:20px}.preview-modal-message p{margin:0 0 8px;font-size:14px;color:var(--color-text-primary);line-height:1.5}.preview-modal-message p:last-child{margin-bottom:0}.preview-modal-footer{display:flex;gap:12px;justify-content:flex-end;padding:20px 24px;border-top:var(--border-width) solid var(--color-border)}.preview-cancel-button{background-color:#f3f4f6;color:var(--color-text-primary);border:none;padding:10px 20px;border-radius:var(--border-radius-md);font-size:14px;font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-base)}.preview-cancel-button:hover{background-color:var(--color-border)}.preview-join-pay-button{background-color:var(--color-button-primary);color:var(--color-button-text);border:none;padding:10px 20px;border-radius:var(--border-radius-md);font-size:14px;font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-base)}.preview-join-pay-button:hover:not(:disabled){background-color:var(--color-button-primary-hover)}.community-list-card{background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-md);cursor:pointer;transition:box-shadow var(--transition-base);overflow:hidden}[data-theme=dark] .community-list-card{border-color:transparent;background-color:var(--color-background-secondary)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .community-list-card{border-color:transparent;background-color:var(--color-background-secondary)}}.community-cover-preview{width:calc(100% + 2 * var(--spacing-lg) + 2 * var(--border-width));height:100px;-o-object-fit:cover;object-fit:cover;border-radius:var(--border-radius-lg) var(--border-radius-lg) 0 0;margin:calc(-1 * var(--spacing-lg) - var(--border-width)) calc(-1 * var(--spacing-lg) - var(--border-width)) var(--spacing-xs) calc(-1 * var(--spacing-lg) - var(--border-width));display:block;max-width:1000%}.community-list-card:hover{box-shadow:var(--shadow-md)}.community-name{font-size:1.25rem;font-weight:600;color:var(--color-text-primary);margin:0 0 .5rem}.community-founder{font-size:.875rem;color:var(--color-text-secondary);margin:0 0 1rem}.join-button{width:100%;padding:var(--spacing-sm) var(--spacing-md);background-color:var(--color-button-primary);color:#fff;border:none;border-radius:var(--border-radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-base)}.join-button:hover:not(:disabled){background-color:var(--color-button-primary-hover)}.open-status{width:100%;padding:var(--spacing-sm) var(--spacing-md);background-color:var(--color-background-secondary);color:var(--color-success);border:var(--border-width) solid var(--color-success);border-radius:var(--border-radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);text-align:center;cursor:default}[data-theme=dark] .stat-icon{filter:var(--icon-filter-inactive-dark)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .stat-icon{filter:var(--icon-filter-inactive-dark)}}.empty-state-container{text-align:center;padding:48px 24px;color:var(--color-text-secondary);background:var(--color-background);border:1px solid var(--color-border);border-radius:var(--border-radius-lg)}.empty-state-icon{font-size:48px;margin-bottom:16px}.empty-state-message{font-size:16px;line-height:1.5}.communities-container{max-width:var(--container-width-wide);margin:var(--container-margin);padding:0 var(--container-padding)}.communities-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg)}.communities-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);margin:0;color:var(--color-text-primary)}.create-community-button{background-color:var(--color-button-primary);color:var(--color-button-text);border:none;padding:10px 20px;border-radius:var(--border-radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-base)}.create-community-button:hover:not(:disabled){background-color:var(--color-button-primary-hover)}.communities-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}@media (min-width: 640px){.communities-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width: 1024px){.communities-grid{grid-template-columns:repeat(3,1fr)}}.community-card{background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-md);transition:box-shadow var(--transition-base)}.community-card:hover{box-shadow:var(--shadow-md)}.community-card-header{cursor:pointer;flex:1}.community-name{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0}.community-price{font-size:var(--font-size-base);color:var(--color-text-secondary);margin:0}.join-button{width:100%;padding:var(--spacing-sm) var(--spacing-md);background-color:var(--color-primary-hover);color:var(--color-text-inverse);border:none;border-radius:var(--border-radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-base)}.join-button:hover:not(:disabled){background-color:var(--color-primary-active)}.join-button:disabled{opacity:.5;cursor:not-allowed}.empty-communities{text-align:center;padding:var(--spacing-2xl);color:var(--color-text-secondary);background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);grid-column:1 / -1}.loading{text-align:center;padding:var(--spacing-2xl);color:var(--color-text-secondary)}.error-message{background:var(--color-error-light);border:var(--border-width) solid var(--color-error-border);color:#991b1b;padding:var(--spacing-md);border-radius:var(--border-radius-lg);margin-bottom:var(--spacing-md)}.success-message{background:var(--color-success-light);border:var(--border-width) solid var(--color-success-border);color:#065f46;padding:var(--spacing-md);border-radius:var(--border-radius-lg);margin-bottom:var(--spacing-md)}.communities-section{margin-bottom:var(--spacing-2xl)}.section-header{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);margin:0 0 var(--spacing-lg) 0;color:var(--color-text-primary)}.members-list{display:flex;flex-direction:column;gap:12px}.members-list.members-avatar-row{display:flex;flex-direction:row!important;align-items:center;flex-wrap:nowrap;overflow:hidden;gap:0;min-height:40px}.member-avatar-item{cursor:pointer;position:relative;transition:transform .2s,z-index .2s;flex-shrink:0}.member-avatar-item:not(:first-child){margin-left:-8px}.member-avatar-item:hover{transform:scale(1.1);z-index:100!important}.member-avatar-item:hover:after{content:attr(title);position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%);background:#000c;color:var(--color-text-inverse);padding:4px 8px;border-radius:4px;font-size:12px;white-space:nowrap;z-index:1000;pointer-events:none}.member-avatar-img{width:40px;height:40px;border-radius:50%;-o-object-fit:cover;object-fit:cover;border:2px solid var(--color-background);display:block}.member-avatar-circle{width:40px;height:40px;border-radius:50%;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;color:var(--color-text-inverse);font-weight:600;font-size:16px;border:2px solid var(--color-background)}.member-more-indicator{cursor:default}.member-more-circle{background:var(--color-border);color:var(--color-text-secondary);font-size:14px;font-weight:600;border:2px solid var(--color-background)}.member-item{display:flex;align-items:center;gap:12px}.member-avatar{width:40px;height:40px;border-radius:50%;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;color:var(--color-text-inverse);font-weight:600;font-size:16px;flex-shrink:0}.member-info{flex:1;min-width:0}.member-email{font-size:14px;font-weight:500;color:var(--color-text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.member-joined{font-size:12px;color:var(--color-text-secondary);margin-top:2px}.no-members{text-align:center;padding:24px;color:var(--color-text-secondary);font-size:14px}@media (max-width: 640px){.member-avatar-img,.member-avatar-circle{width:36px;height:36px;font-size:14px}.member-avatar-item:not(:first-child){margin-left:-6px}}@media (min-width: 1024px){.member-avatar-img,.member-avatar-circle{width:44px;height:44px;font-size:17px}.member-avatar-item:not(:first-child){margin-left:-10px}}.share-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:10000;padding:20px}.share-modal-content{background:var(--color-background);border-radius:12px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);display:flex;flex-direction:column}.share-modal-header{display:flex;justify-content:space-between;align-items:center;padding:24px;border-bottom:var(--border-width) solid var(--color-border)}.share-modal-title{font-size:20px;font-weight:600;color:var(--color-text-primary);margin:0}.share-modal-close{background:none;border:none;font-size:1.5rem;color:var(--color-text-secondary);cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background-color .2s}.share-modal-close:hover{background:var(--color-background-secondary)}.share-modal-body{padding:24px}.share-modal-message{font-size:14px;color:var(--color-text-secondary);margin:0 0 24px;line-height:1.5}.share-modal-message strong{color:var(--color-text-primary);font-weight:600}.share-modal-error{padding:12px;margin-bottom:16px;background:var(--color-error-light);border:var(--border-width) solid var(--color-error-border);border-radius:6px;color:var(--color-error-text);font-size:14px;line-height:1.5}.share-modal-success{display:flex;align-items:center;gap:12px;padding:16px;margin-bottom:16px;background:var(--color-success-light);border:var(--border-width) solid var(--color-success-border);border-radius:6px;color:var(--color-success-text);font-size:14px;line-height:1.5}.share-modal-success-icon{font-size:20px;font-weight:700;flex-shrink:0}.share-modal-success-text{flex:1}.share-modal-field{display:flex;flex-direction:column;gap:.5rem}.share-modal-label{font-size:.875rem;font-weight:500;color:var(--color-text-primary)}.share-modal-textarea{width:100%;padding:.75rem;background:var(--color-input-background);border:var(--border-width) solid var(--color-input-border);border-radius:6px;color:var(--color-input-text);font-size:.9375rem;font-family:inherit;resize:vertical;min-height:100px;transition:border-color .2s}.share-modal-textarea:focus{outline:none;border-color:var(--color-input-focus-border);box-shadow:0 0 0 3px var(--color-focus-ring-offset),0 0 0 4px var(--color-focus-ring)}.share-modal-char-count{font-size:.75rem;color:var(--color-text-secondary);text-align:right}.share-modal-actions{display:flex;justify-content:flex-end;gap:12px;padding:24px;border-top:var(--border-width) solid var(--color-border)}.share-modal-button{padding:10px 20px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;border:var(--border-width) solid var(--color-border)}.share-modal-cancel{background:var(--color-background);color:var(--color-text-primary);border-color:var(--color-border)}.share-modal-cancel:hover{background-color:var(--color-background-secondary);border-color:var(--color-border)}.share-modal-confirm{background:var(--color-button-primary);color:var(--color-button-text);border-color:var(--color-button-primary)}.share-modal-confirm:hover{background:var(--color-button-primary-hover);border-color:var(--color-button-primary-hover)}[data-theme=dark] .share-modal-content{background:var(--color-background)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .share-modal-content{background:var(--color-background)}}.course-card{background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:8px;overflow:hidden;cursor:pointer;transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column}.course-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.course-card-thumbnail{width:100%;height:200px;-o-object-fit:cover;object-fit:cover;background:var(--color-background-secondary)}.course-card-thumbnail-placeholder{width:100%;height:200px;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center}.course-card-thumbnail-icon{width:48px;height:48px;filter:var(--icon-filter-dark)}[data-theme=dark] .course-card-thumbnail-icon{filter:var(--icon-filter-inactive-dark)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .course-card-thumbnail-icon{filter:var(--icon-filter-inactive-dark)}}.course-card-content{padding:1rem;display:flex;flex-direction:column;gap:.75rem;flex:1}.course-card-header{display:flex;justify-content:space-between;align-items:flex-start;gap:.5rem}.course-card-title{font-size:1.125rem;font-weight:600;color:var(--color-text-primary);margin:0;flex:1;line-height:1.4}.course-card-actions{display:flex;gap:.5rem}.course-card-share,.course-card-build,.course-card-edit,.course-card-delete{background:none;border:none;cursor:pointer;padding:.25rem;opacity:.7;transition:opacity .2s;display:flex;align-items:center;justify-content:center}.course-card-share img,.course-card-build img,.course-card-edit img,.course-card-delete img{width:18px;height:18px;filter:var(--icon-filter-dark)}.course-card-share:hover,.course-card-build:hover,.course-card-edit:hover,.course-card-delete:hover{opacity:1}[data-theme=dark] .course-card-share img,[data-theme=dark] .course-card-build img,[data-theme=dark] .course-card-edit img,[data-theme=dark] .course-card-delete img{filter:var(--icon-filter-inactive-dark)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .course-card-share img,:root:not([data-theme=light]) .course-card-build img,:root:not([data-theme=light]) .course-card-edit img,:root:not([data-theme=light]) .course-card-delete img{filter:var(--icon-filter-inactive-dark)}}.course-card-description{font-size:.875rem;color:var(--color-text-secondary);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}.course-card-footer{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.course-card-duration{font-size:.8125rem;color:var(--color-text-tertiary)}.course-card-price-free{font-size:.875rem;font-weight:600;color:var(--color-success)}.course-card-price{font-size:.875rem;font-weight:600;color:var(--color-primary)}.course-card-status-draft{font-size:.75rem;padding:.25rem .5rem;background:var(--color-background-tertiary);color:var(--color-text-secondary);border-radius:4px}.course-card-progress{margin-top:.5rem;display:flex;flex-direction:column;gap:.5rem}.course-card-progress-bar{width:100%;height:6px;background:var(--color-background-tertiary);border-radius:3px;overflow:hidden}.course-card-progress-fill{height:100%;background:var(--gradient-primary);transition:width .3s}.course-card-progress-text{font-size:.75rem;color:var(--color-text-secondary)}.course-list{width:100%}.course-list-header{margin-bottom:1.5rem;display:flex;justify-content:space-between;align-items:center}.course-list-filters{display:flex;gap:.5rem}.course-list-filter{padding:.5rem 1rem;background:var(--color-background-secondary);border:var(--border-width) solid var(--color-border);border-radius:6px;color:var(--color-text-secondary);cursor:pointer;font-size:.875rem;transition:all .2s}.course-list-filter:hover{background:var(--color-background-tertiary);color:var(--color-text-primary)}.course-list-filter.active{background:var(--color-primary);color:var(--color-text-inverse);border-color:var(--color-primary)}.course-list-empty{padding:3rem 1rem;text-align:center;color:var(--color-text-secondary)}.course-list-empty-hint{margin-top:.5rem;font-size:.875rem;color:var(--color-text-tertiary)}.course-list-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}@media (max-width: 768px){.course-list-grid{grid-template-columns:1fr}}.course-creator-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.course-creator-modal{background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:8px;width:100%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.course-creator-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;border-bottom:var(--border-width) solid var(--color-border)}.course-creator-title{font-size:1.25rem;font-weight:600;color:var(--color-text-primary);margin:0}.course-creator-close{background:none;border:none;font-size:1.5rem;color:var(--color-text-secondary);cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;transition:color .2s}.course-creator-close:hover{color:var(--color-text-primary)}.course-creator-form{padding:1.5rem;display:flex;flex-direction:column;gap:1.5rem}.course-creator-field{display:flex;flex-direction:column;gap:.5rem}.course-creator-label{font-size:.875rem;font-weight:500;color:var(--color-text-primary)}.course-creator-input,.course-creator-textarea,.course-creator-select{padding:.75rem;border:var(--border-width) solid var(--color-border);border-radius:6px;background:var(--color-background);color:var(--color-text-primary);font-size:.9375rem;font-family:inherit;transition:border-color .2s}.course-creator-input:focus,.course-creator-textarea:focus,.course-creator-select:focus{outline:none;border-color:var(--color-primary)}.course-creator-textarea{resize:vertical;min-height:100px}.course-creator-thumbnail-preview{position:relative;width:100%;max-width:300px;margin-bottom:.5rem}.course-creator-thumbnail-preview img{width:100%;height:auto;border-radius:6px;border:var(--border-width) solid 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var(--color-border);color:var(--color-text-primary)}.course-creator-cancel:hover{background:var(--color-background-tertiary)}.course-creator-submit{background:var(--color-button-primary);border:none;color:var(--color-button-text)}.course-creator-submit:hover:not(:disabled){background:var(--color-button-primary-hover)}.course-creator-submit:disabled{opacity:.6;cursor:not-allowed}.module-editor{padding:1rem;background:var(--color-background-secondary);border:var(--border-width) solid var(--color-border);border-radius:8px}.module-editor-form{display:flex;flex-direction:column;gap:1rem}.module-editor-field{display:flex;flex-direction:column;gap:.5rem}.module-editor-label{font-size:.875rem;font-weight:500;color:var(--color-text-primary)}.module-editor-input,.module-editor-textarea{padding:.75rem;border:var(--border-width) solid 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#00000026;filter:brightness(1.1)}.calendar-day-event-block.past{opacity:.65;filter:grayscale(.3)}.calendar-day-event-title{font-size:.7rem;font-weight:600;color:var(--color-text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.3;margin-bottom:.1rem}.calendar-day-event-time{font-size:.65rem;color:var(--color-text-secondary);line-height:1.2;font-weight:500}.calendar-day-more-events{font-size:.65rem;color:var(--color-text-secondary);font-weight:500;padding:.125rem .25rem;text-align:center;cursor:pointer;transition:color .2s}.calendar-day-more-events:hover{color:var(--color-primary)}.calendar-day.selected .calendar-day-event-title,.calendar-day.selected .calendar-day-event-time{color:var(--color-text-inverse)}.calendar-day.selected .calendar-day-more-events{color:var(--color-text-inverse);opacity:.8}@media (max-width: 768px){.calendar{padding:1rem}.calendar-header{flex-direction:column;gap:1rem;align-items:stretch}.calendar-nav{justify-content:space-between}.calendar-title{min-width:auto}.calendar-today{width:100%}.calendar-day{padding:.375rem;min-height:80px}.calendar-day-number{font-size:.75rem}.calendar-day-event-block{padding:.2rem .3rem}.calendar-day-event-title{font-size:.65rem}.calendar-day-event-time{font-size:.6rem}.calendar-day-events{gap:.2rem}}.community-detail-container{max-width:var(--container-width-wide);margin:0 auto;padding:0}.community-cover{width:100%;aspect-ratio:1000 / 300;height:auto;background:var(--gradient-primary);margin-bottom:0;position:relative;overflow:hidden}.community-cover img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;aspect-ratio:1000 / 300}.cover-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--color-text-inverse);font-size:24px;font-weight:600;opacity:.8}.community-header{background:var(--color-background);padding:24px;border-bottom:var(--border-width) solid var(--color-border)}.community-info{flex:1}.community-name{font-size:32px;font-weight:700;margin:0 0 12px;color:var(--color-text-primary)}.community-description{font-size:16px;color:var(--color-text-secondary);margin:0 0 16px;line-height:1.6}.community-meta{display:flex;flex-wrap:wrap;gap:var(--spacing-md);align-items:center}.community-header-actions{display:flex;align-items:center;gap:12px}.community-settings-button{background:none;border:none;padding:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:var(--border-radius-md);transition:background-color var(--transition-base)}.community-settings-button img{width:20px;height:20px;opacity:.7;filter:var(--icon-filter-inactive-light)}.community-settings-button:hover{background-color:var(--color-border-light)}.community-settings-button:hover img{opacity:1}[data-theme=dark] .community-settings-button img{filter:var(--icon-filter-inactive-dark)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .community-settings-button img{filter:var(--icon-filter-inactive-dark)}}.settings-icon-badge{position:absolute;top:-4px;right:-4px;display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;background-color:var(--color-error);color:var(--color-text-inverse);border-radius:9px;font-size:10px;font-weight:600;line-height:1;border:2px solid var(--color-background)}.invite-button{background-color:var(--color-button-primary);color:var(--color-button-text);border:none;padding:10px 20px;border-radius:4px;font-size:14px;font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-base)}.invite-button:hover:not(:disabled){background-color:var(--color-button-primary-hover)}.share-button{background-color:var(--color-background-tertiary);color:var(--color-text-primary);border:none;padding:10px 20px;border-radius:4px;font-size:14px;font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-base)}.share-button:hover:not(:disabled){background-color:var(--color-border)}.community-tabs{display:flex;gap:.5rem;padding:0 24px;border-bottom:var(--border-width) solid var(--color-border);background:var(--color-background)}.community-tab{padding:.75rem 1.5rem;background:none;border:none;border-bottom:2px solid transparent;color:var(--color-text-secondary);cursor:pointer;font-size:.9375rem;font-weight:500;transition:all .2s;margin-bottom:-1px}.community-tab:hover{color:var(--color-text-primary)}.community-tab.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.course-list-header-actions{margin-bottom:1.5rem;padding:0 24px}.course-create-button{padding:.75rem 1.5rem;background:var(--color-button-primary);border:none;color:var(--color-button-text);border-radius:6px;font-size:.9375rem;font-weight:500;cursor:pointer;transition:background .2s}.course-create-button:hover{background:var(--color-button-primary-hover)}.course-builder-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.course-builder-overlay-content{width:100%;max-width:1000px;max-height:90vh}.community-content{padding:24px 0}.community-feed{flex:1;min-width:0}.feed-title{font-size:20px;font-weight:600;margin:0 0 16px;color:var(--color-text-primary)}.posts-list{display:flex;flex-direction:column;gap:16px}.empty-posts{text-align:center;padding:48px;color:var(--color-text-secondary);background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:8px}.locked-content-message{text-align:center;padding:48px 24px;background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:8px;margin-bottom:16px}.locked-content-message p{color:var(--color-text-secondary);font-size:16px;margin:0}.locked-sidebar-message{text-align:center;padding:24px;background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:8px}.locked-sidebar-message p{color:var(--color-text-secondary);font-size:14px;margin:0}.loading{text-align:center;padding:3rem;color:var(--color-text-secondary)}.error-message{background:#fee2e2;border:1px solid #fca5a5;color:#991b1b;padding:1rem;border-radius:var(--border-radius-lg);margin-bottom:1rem}.payment-container{max-width:var(--container-width-wide);margin:0 auto;padding:var(--spacing-lg)}.payment-layout{margin-top:24px}.payment-left{display:flex;flex-direction:column}.community-preview-card{background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:8px;padding:24px;box-shadow:0 1px 3px #0000001a;position:sticky;top:24px}.community-preview-name{font-size:24px;font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0 0 12px}.community-preview-description{color:var(--color-text-secondary);font-size:14px;line-height:1.6;margin:0 0 20px}.community-preview-meta{display:flex;flex-direction:column;gap:12px;padding-top:20px;border-top:var(--border-width) solid var(--color-border)}.preview-price{display:flex;justify-content:space-between;align-items:center}.price-label{color:var(--color-text-secondary);font-size:14px}.price-value{font-size:20px;font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.preview-members{color:var(--color-text-secondary);font-size:14px}.payment-right{display:flex;flex-direction:column}.payment-form-container{background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:8px;padding:24px;box-shadow:0 1px 3px #0000001a}.payment-form-title{font-size:20px;font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0 0 24px}.payment-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-weight:500;color:var(--color-text-primary);font-size:14px}.quantity-selector{display:flex;align-items:center;gap:12px;width:-moz-fit-content;width:fit-content}.quantity-button{width:36px;height:36px;border:var(--border-width) solid var(--color-border);background:var(--color-background);border-radius:4px;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.quantity-button:hover:not(:disabled){background:var(--color-background-tertiary);border-color:#9ca3af}.quantity-button:disabled{opacity:.5;cursor:not-allowed}.quantity-input{width:60px;padding:8px;border:var(--border-width) solid var(--color-input-border);border-radius:4px;text-align:center;font-size:16px;background-color:var(--color-input-background);color:var(--color-input-text)}.quantity-input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.quantity-hint{font-size:12px;color:var(--color-text-secondary);margin-top:4px}.total-amount{display:flex;justify-content:space-between;align-items:center;padding:16px;background:var(--color-background-secondary);border-radius:4px;border:var(--border-width) solid var(--color-border)}.total-label{font-size:16px;font-weight:500;color:var(--color-text-primary)}.total-value{font-size:24px;font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.payment-method-display{padding:12px;background:var(--color-background-tertiary);border-radius:4px;border:var(--border-width) solid var(--color-border);color:var(--color-text-secondary);font-size:14px}.discount-input{padding:10px;border:var(--border-width) solid var(--color-border);border-radius:4px;font-size:14px;font-family:inherit}.discount-input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.discount-input:disabled{background-color:#f5f5f5;cursor:not-allowed}.terms-checkbox{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:14px;color:#374151}.terms-checkbox input[type=checkbox]{width:18px;height:18px;cursor:pointer}.submit-payment-button{width:100%;padding:12px 24px;background-color:var(--color-primary-hover);color:var(--color-button-text);border:none;border-radius:4px;font-size:16px;font-weight:500;cursor:pointer;transition:background-color var(--transition-base);margin-top:8px}.submit-payment-button:hover:not(:disabled){background-color:#1d4ed8}.submit-payment-button:disabled{opacity:.5;cursor:not-allowed}.payment-success{text-align:center;padding:48px;background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:8px}.payment-success h2{color:#10b981;margin:0 0 16px}.payment-success p{color:var(--color-text-secondary)}.dashboard-container{max-width:var(--container-width-wide);margin:var(--container-margin);padding:0 var(--container-padding)}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg)}.dashboard-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);margin:0;color:var(--color-text-primary)}.become-creator-card{max-width:500px;margin:4rem auto;padding:var(--spacing-xl);background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);text-align:center}.become-creator-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);margin:0 0 var(--spacing-md) 0;color:var(--color-text-primary)}.become-creator-description{font-size:var(--font-size-base);color:var(--color-text-secondary);margin:0 0 var(--spacing-xl) 0;line-height:var(--line-height-relaxed)}.become-creator-button{background-color:var(--color-button-primary);color:var(--color-button-text);border:none;padding:12px 32px;border-radius:var(--border-radius-md);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-base)}.become-creator-button:hover:not(:disabled){background-color:var(--color-button-primary-hover)}.become-creator-button:disabled{opacity:.5;cursor:not-allowed}.community-management-card{background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-md)}.community-card-header{flex:1}.community-name{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0 0 var(--spacing-sm) 0}.community-description{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin:0 0 var(--spacing-md) 0;line-height:var(--line-height-normal);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.community-stats{display:flex;flex-wrap:wrap;gap:var(--spacing-md);margin-top:var(--spacing-md)}.stat-item{font-size:var(--font-size-sm);color:var(--color-text-secondary);padding:var(--spacing-xs) var(--spacing-sm);background:var(--color-background-tertiary);border-radius:var(--border-radius-sm);display:flex;align-items:center;gap:var(--spacing-xs)}.stat-icon{width:16px;height:16px;filter:var(--icon-filter-dark)}.community-actions{display:flex;gap:var(--spacing-sm);padding-top:var(--spacing-md);border-top:var(--border-width) solid var(--color-border)}.action-button{flex:1;padding:var(--spacing-sm) var(--spacing-md);border:none;border-radius:var(--border-radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-base)}.edit-button{background-color:var(--color-background-tertiary);color:var(--color-text-primary)}.edit-button:hover{background-color:var(--color-border)}.view-button{background-color:var(--color-button-primary);color:var(--color-button-text)}.view-button:hover:not(:disabled){background-color:var(--color-button-primary-hover)}.success-message{background:var(--color-success-light);border:var(--border-width) solid var(--color-success-border);color:var(--color-success-text);padding:var(--spacing-md);border-radius:var(--border-radius-lg);margin-bottom:var(--spacing-md)}.analytics-section{margin-bottom:var(--spacing-2xl)}.analytics-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);margin:0 0 var(--spacing-lg) 0;color:var(--color-text-primary)}.overview-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-md);margin-bottom:var(--spacing-xl)}.overview-card{background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);padding:var(--spacing-lg);text-align:center}.overview-label{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-bottom:var(--spacing-sm)}.overview-value{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.charts-grid{margin-top:2rem}.chart-container{background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);padding:var(--spacing-lg)}.courses-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:var(--spacing-md);margin-top:var(--spacing-lg)}.course-analytics-card{background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);padding:var(--spacing-lg)}.course-analytics-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--spacing-md)}.course-analytics-title{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0;flex:1}.course-analytics-status{font-size:var(--font-size-xs);padding:.25rem .5rem;border-radius:var(--border-radius-sm);text-transform:capitalize}.course-analytics-status.published{background:var(--color-success-light);color:var(--color-success-text)}.course-analytics-status.draft{background:var(--color-background-tertiary);color:var(--color-text-secondary)}.course-analytics-status.archived{background:var(--color-background-tertiary);color:var(--color-text-tertiary)}.course-analytics-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-sm)}.course-analytics-stat{display:flex;flex-direction:column;gap:.25rem}.course-analytics-stat-label{font-size:var(--font-size-xs);color:var(--color-text-tertiary)}.course-analytics-stat-value{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.chart-title{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0 0 1rem}.subscriptions-container{max-width:var(--container-width-wide);margin:var(--container-margin);padding:0 var(--container-padding)}.subscriptions-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);margin:0 0 2rem;color:var(--color-text-primary)}.subscriptions-list{background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);overflow-x:auto}.subscriptions-table{width:100%;border-collapse:collapse;min-width:800px}.subscriptions-table thead{background-color:var(--color-background-secondary);border-bottom:var(--border-width-thick) solid var(--color-border)}.subscriptions-table th{padding:var(--spacing-md);text-align:left;font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-text-secondary);border-bottom:var(--border-width) solid var(--color-border)}.subscriptions-table td{padding:var(--spacing-md);border-bottom:var(--border-width) solid var(--color-border);font-size:var(--font-size-sm);color:var(--color-text-primary)}.subscriptions-table tbody tr:hover{background-color:var(--color-background-secondary)}.subscriptions-table tbody tr:last-child td{border-bottom:none}.community-cell{display:flex;flex-direction:column;gap:var(--spacing-xs)}.community-name{font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.community-description{font-size:.75rem;color:var(--color-text-secondary)}.status-badge{font-size:var(--font-size-sm);padding:var(--spacing-xs) var(--spacing-sm);background:var(--color-background-tertiary);border-radius:var(--border-radius-sm);display:flex;align-items:center;gap:var(--spacing-xs);white-space:nowrap}.status-active{background-color:var(--color-success-light);color:var(--color-success)}.status-cancelled{background-color:var(--color-background-tertiary);color:var(--color-text-secondary)}.status-expired{background-color:var(--color-error-light);color:var(--color-error)}.payment-method-cell{display:flex;flex-direction:column;gap:var(--spacing-sm)}.payment-method-cell span{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.update-payment-button-small{padding:.375rem .75rem;background-color:var(--color-background-tertiary);color:var(--color-text-secondary);border:var(--border-width) solid var(--color-border);border-radius:.375rem;font-size:.75rem;font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-base);width:-moz-fit-content;width:fit-content}.update-payment-button-small:hover{background-color:var(--color-border)}.cancel-subscription-button-small{padding:.5rem 1rem;background-color:var(--color-error);color:var(--color-text-inverse);border:none;border-radius:.375rem;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-base)}.cancel-subscription-button-small:hover:not(:disabled){background-color:var(--color-error-border)}.cancel-subscription-button-small:disabled{opacity:.5;cursor:not-allowed}.confirm-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:var(--z-index-modal);padding:20px}.confirm-modal-content{background:var(--color-background);border-radius:var(--border-radius-lg);max-width:500px;width:100%;box-shadow:var(--shadow-lg)}.confirm-modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px var(--spacing-lg);border-bottom:var(--border-width) solid var(--color-border)}.confirm-modal-header h3{margin:0;font-size:18px;font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}.confirm-modal-close{background:none;border:none;font-size:28px;color:var(--color-text-secondary);cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background-color var(--transition-base)}.confirm-modal-close:hover{background-color:var(--color-background-tertiary)}.confirm-modal-body{padding:var(--spacing-lg)}.confirm-modal-body p{margin:0 0 12px;font-size:14px;color:var(--color-text-secondary);line-height:1.5}.confirm-modal-body p:last-child{margin-bottom:0}.confirm-modal-footer{display:flex;gap:var(--spacing-sm);justify-content:flex-end;padding:20px var(--spacing-lg);border-top:var(--border-width) solid var(--color-border)}.confirm-cancel-button{background-color:var(--color-background-tertiary);color:var(--color-text-secondary);border:none;padding:10px 20px;border-radius:4px;font-size:14px;font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-base)}.confirm-cancel-button:hover{background-color:var(--color-border)}.confirm-ok-button{background-color:var(--color-error);color:var(--color-text-inverse);border:none;padding:10px 20px;border-radius:4px;font-size:14px;font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-base)}.confirm-ok-button:hover{background-color:#dc2626}.success-message{background:#d1fae5;border:1px solid #6ee7b7;color:#065f46;padding:var(--spacing-md);border-radius:.5rem;margin-bottom:var(--spacing-md)}.profile-container{max-width:var(--container-width-narrow);margin:var(--container-margin);padding:0 var(--container-padding)}.profile-card{background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);padding:var(--spacing-xl);margin-top:var(--spacing-lg)}.profile-header{text-align:center;margin-bottom:var(--spacing-xl)}.profile-picture-large{width:120px;height:120px;border-radius:var(--border-radius-full);-o-object-fit:cover;object-fit:cover;margin:0 auto var(--spacing-md);border:var(--border-width-thick) solid var(--color-border)}.profile-picture-placeholder-large{width:120px;height:120px;border-radius:var(--border-radius-full);background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;margin:0 auto var(--spacing-md);color:#fff;font-size:48px;font-weight:var(--font-weight-bold);border:var(--border-width-thick) solid var(--color-border)}.profile-username{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin:0 0 var(--spacing-sm) 0}.profile-name{font-size:var(--font-size-lg);font-weight:var(--font-weight-medium);color:var(--color-text-secondary);margin:0}.profile-follow-section{margin-top:var(--spacing-md);display:flex;justify-content:center}.profile-stats{display:flex;justify-content:center;gap:var(--spacing-xl);margin-top:var(--spacing-lg);padding-top:var(--spacing-lg);border-top:var(--border-width) solid var(--color-border)}.profile-stat-item{display:flex;flex-direction:column;align-items:center;gap:4px;background:none;border:none;cursor:pointer;padding:8px;border-radius:var(--border-radius-sm);transition:background-color var(--transition-base)}.profile-stat-item:hover{background-color:var(--color-background-secondary)}.profile-stat-count{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary)}.profile-stat-label{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.profile-content{display:flex;flex-direction:column;gap:var(--spacing-lg)}.profile-section{padding-top:var(--spacing-lg);border-top:var(--border-width) solid var(--color-border)}.profile-section:first-of-type{border-top:none;padding-top:0}.profile-section-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0 0 var(--spacing-md) 0}.profile-bio{font-size:var(--font-size-base);color:var(--color-text-secondary);line-height:var(--line-height-relaxed);margin:0}.hobbies-list{display:flex;flex-wrap:wrap;gap:var(--spacing-sm)}.hobby-chip{font-size:var(--font-size-sm);color:var(--color-text-secondary);padding:var(--spacing-xs) var(--spacing-sm);background:var(--color-background-tertiary);border-radius:var(--border-radius-sm);display:flex;align-items:center;gap:var(--spacing-xs)}.social-links{display:flex;flex-direction:column;gap:var(--spacing-sm)}.social-link{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm);background:var(--color-background-secondary);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-md);text-decoration:none;color:var(--color-text-primary);transition:background-color var(--transition-base)}.social-link:hover{background:var(--color-background-tertiary)}.social-icon{width:20px;height:20px;-o-object-fit:contain;object-fit:contain;filter:var(--icon-filter-inactive-light)}[data-theme=dark] .social-icon{filter:var(--icon-filter-inactive-dark)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .social-icon{filter:var(--icon-filter-inactive-dark)}}.saved-posts-empty{text-align:center;padding:var(--spacing-2xl) var(--spacing-md);color:var(--color-text-secondary)}.saved-posts-empty p{margin:var(--spacing-sm) 0;font-size:var(--font-size-base)}.saved-posts-empty-subtitle{font-size:var(--font-size-sm);color:var(--color-text-tertiary)}.course-progress{width:100%}.course-progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.course-progress-label{font-size:.875rem;font-weight:500;color:var(--color-text-primary)}.course-progress-percentage{font-size:.875rem;font-weight:600;color:var(--color-primary)}.course-progress-bar{width:100%;height:8px;background:var(--color-background-tertiary);border-radius:4px;overflow:hidden;margin-bottom:.5rem}.course-progress-fill{height:100%;background:var(--gradient-primary);transition:width .3s ease}.course-progress-stats{display:flex;justify-content:flex-end}.course-progress-lessons{font-size:.75rem;color:var(--color-text-tertiary)}.course-player{display:flex;flex-direction:column;height:100%;background:var(--color-background);overflow:hidden}.course-player-empty{padding:2rem;text-align:center;color:var(--color-text-secondary);display:flex;align-items:center;justify-content:center;height:100%}.course-player-header{padding:.75rem 1rem;border-bottom:var(--border-width) solid var(--color-border);display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;flex-shrink:0}.course-player-lesson-title{font-size:1.125rem;font-weight:600;color:var(--color-text-primary);margin:0 0 .25rem;line-height:1.3}.course-player-module-name{font-size:.8125rem;color:var(--color-text-secondary);margin:0}.course-player-progress{flex-shrink:0;min-width:150px}.course-player-content{flex:1;min-height:0;padding:1rem;overflow:hidden;display:flex;flex-direction:column}.course-player-video{width:100%;flex:1;min-height:0;display:flex;align-items:center;justify-content:center}.course-player-video-iframe{width:100%;height:100%;min-height:0;border:none;border-radius:8px}.course-player-text{flex:1;min-height:0;overflow-y:auto}.course-player-text-content{font-size:.9375rem;line-height:1.6;color:var(--color-text-primary)}.course-player-text-content p{margin:0 0 .75rem}.course-player-document{flex:1;min-height:0;display:flex;flex-direction:column}.course-player-document-iframe{width:100%;flex:1;min-height:0;border:var(--border-width) solid var(--color-border);border-radius:8px}.course-player-document-actions{margin-top:.75rem;flex-shrink:0}.course-player-document-download{display:inline-block;padding:.5rem 1rem;background:var(--color-button-primary);color:var(--color-button-text);text-decoration:none;border-radius:6px;font-weight:500;font-size:.875rem;transition:background .2s}.course-player-document-download:hover{background:var(--color-button-primary-hover)}.course-player-description{padding:.75rem;background:var(--color-background-secondary);border-radius:6px;margin-bottom:.75rem;flex-shrink:0}.course-player-description p{margin:0;color:var(--color-text-secondary);font-size:.875rem;line-height:1.5}.course-player-footer{padding:.75rem 1rem;border-top:var(--border-width) solid var(--color-border);flex-shrink:0}.course-player-navigation{display:flex;justify-content:space-between;align-items:center;gap:.75rem}.course-player-nav-button{padding:.5rem 1rem;background:var(--color-background-secondary);border:var(--border-width) solid var(--color-border);border-radius:6px;color:var(--color-text-primary);cursor:pointer;font-size:.875rem;font-weight:500;transition:all .2s}.course-player-nav-button:hover:not(:disabled){background:var(--color-background-tertiary)}.course-player-nav-button:disabled{opacity:.5;cursor:not-allowed}.course-player-complete-button{padding:.5rem 1rem;background:var(--color-button-primary);border:none;border-radius:6px;color:var(--color-button-text);cursor:pointer;font-size:.875rem;font-weight:500;transition:background .2s}.course-player-complete-button:hover{background:var(--color-button-primary-hover)}.course-player-completed{padding:.5rem 1rem;color:var(--color-success);font-size:.875rem;font-weight:500;display:flex;align-items:center;gap:.5rem}.course-player-completed-icon{width:14px;height:14px;filter:brightness(0) saturate(100%) invert(48%) sepia(79%) saturate(2476%) hue-rotate(86deg) brightness(118%) 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auto;height:100%;display:flex;gap:1rem;overflow:hidden}.course-detail-sidebar{width:300px;flex-shrink:0;background:var(--color-background-secondary);border:var(--border-width) solid var(--color-border);border-radius:8px;padding:.75rem;display:flex;flex-direction:column;gap:.75rem;overflow:hidden;height:100%}.course-detail-header{display:flex;flex-direction:column;gap:.5rem;flex-shrink:0}.course-detail-thumbnail{width:100%;height:60px;-o-object-fit:cover;object-fit:cover;border-radius:4px;background:var(--color-background-tertiary)}.course-detail-thumbnail-placeholder{width:100%;height:60px;background:var(--gradient-primary);border-radius:4px;display:flex;align-items:center;justify-content:center}.course-detail-thumbnail-icon{width:24px;height:24px;filter:var(--icon-filter-dark)}[data-theme=dark] .course-detail-thumbnail-icon{filter:var(--icon-filter-inactive-dark)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .course-detail-thumbnail-icon{filter:var(--icon-filter-inactive-dark)}}.course-detail-title{font-size:1.125rem;font-weight:600;color:var(--color-text-primary);margin:0;line-height:1.3}.course-detail-creator-badge{display:inline-block;font-size:.6875rem;font-weight:600;padding:.25rem .5rem;background:var(--color-primary);color:var(--color-text-inverse);border-radius:4px;text-transform:uppercase;letter-spacing:.5px;align-self:flex-start}.course-detail-creator-note{font-size:.75rem;color:var(--color-text-secondary);margin:0 0 .5rem;line-height:1.4}.course-detail-description{font-size:.8125rem;color:var(--color-text-secondary);margin:0;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.course-detail-meta{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;font-size:.8125rem}.course-detail-price-free{font-size:.875rem;font-weight:600;color:var(--color-success)}.course-detail-price{font-size:.875rem;font-weight:600;color:var(--color-primary)}.course-detail-duration{font-size:.75rem;color:var(--color-text-tertiary)}.course-detail-progress-section,.course-detail-enroll-section{padding-top:.75rem;border-top:var(--border-width) solid var(--color-border);flex-shrink:0}.course-detail-enroll-button{width:100%;padding:.5rem 1rem;background:var(--color-button-primary);border:none;color:var(--color-button-text);border-radius:6px;font-size:.875rem;font-weight:500;cursor:pointer;transition:background .2s}.course-detail-enroll-button:hover:not(:disabled){background:var(--color-button-primary-hover)}.course-detail-enroll-button:disabled{opacity:.6;cursor:not-allowed}.course-detail-modules{flex:1;min-height:0;overflow:hidden;display:flex;flex-direction:column}.course-detail-modules-title{font-size:.9375rem;font-weight:600;color:var(--color-text-primary);margin:0 0 .5rem;flex-shrink:0}.course-detail-module{margin-bottom:.5rem;flex-shrink:0}.course-detail-module-header{display:flex;align-items:center;justify-content:space-between;padding:.5rem;cursor:pointer;border-radius:4px;background:transparent;border:none;width:100%;text-align:left;transition:background .2s}.course-detail-module-header:hover{background:var(--color-background-tertiary)}.course-detail-module-title{font-size:.875rem;font-weight:600;color:var(--color-text-primary);margin:0;flex:1}.course-detail-module-toggle{font-size:.75rem;color:var(--color-text-secondary);margin-left:.5rem;flex-shrink:0}.course-detail-lessons{padding:.5rem 0 .5rem .75rem;display:flex;flex-direction:column;gap:.25rem}.course-detail-lesson{display:flex;align-items:center;gap:.5rem;padding:.5rem;background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:4px;cursor:pointer;transition:all .2s;text-align:left;width:100%;font-size:.8125rem;color:var(--color-text-primary)}.course-detail-lesson:hover:not(:disabled){background:var(--color-background-tertiary);border-color:var(--color-primary)}.course-detail-lesson.active{background:var(--color-primary);color:var(--color-text-inverse);border-color:var(--color-primary)}.course-detail-lesson.completed{border-color:var(--color-success)}.course-detail-lesson:disabled{opacity:.5;cursor:not-allowed}.course-detail-lesson-icon{width:16px;height:16px;flex-shrink:0;filter:var(--icon-filter-dark)}[data-theme=dark] .course-detail-lesson-icon{filter:var(--icon-filter-inactive-dark)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .course-detail-lesson-icon{filter:var(--icon-filter-inactive-dark)}}.course-detail-lesson.active .course-detail-lesson-icon{filter:brightness(0) invert(1)}.course-detail-lesson-title{flex:1;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.course-detail-lesson-check{width:14px;height:14px;flex-shrink:0;filter:var(--icon-filter-dark)}[data-theme=dark] .course-detail-lesson-check{filter:var(--icon-filter-inactive-dark)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .course-detail-lesson-check{filter:var(--icon-filter-inactive-dark)}}.course-detail-lesson.completed .course-detail-lesson-check{filter:brightness(0) saturate(100%) invert(48%) sepia(79%) saturate(2476%) hue-rotate(86deg) brightness(118%) contrast(119%)}.course-detail-lesson-preview-badge{font-size:.6875rem;padding:.125rem .375rem;background:var(--color-success-light);color:var(--color-success-text);border-radius:3px;flex-shrink:0}.course-detail-no-content{font-size:.8125rem;color:var(--color-text-tertiary);font-style:italic;margin:0}.course-detail-main{flex:1;min-width:0;background:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;height:100%}.course-detail-enroll-prompt{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;text-align:center;gap:1rem;height:100%}.course-detail-enroll-prompt p{font-size:1rem;color:var(--color-text-secondary);margin:0}@media (max-width: 767px){.course-detail{padding:.5rem;height:calc(100vh - 60px)}.course-detail-container{flex-direction:column;height:100%}.course-detail-sidebar{width:100%;flex:0 0 40%;max-height:40%;order:2}.course-detail-main{order:1;flex:0 0 60%;min-height:60%}.course-detail-thumbnail,.course-detail-thumbnail-placeholder{height:40px}.course-detail-title{font-size:1rem}.course-detail-modules-title{font-size:.875rem}}@media (min-width: 768px) and (max-width: 1023px){.course-detail-sidebar{width:250px}}@media (min-width: 1024px){.course-detail-sidebar{width:300px}}.my-courses{min-height:calc(100vh - 60px);background:var(--color-background);padding:1.5rem}.my-courses-container{max-width:var(--container-width-wide);margin:0 auto}.my-courses-title{font-size:2rem;font-weight:600;color:var(--color-text-primary);margin:0 0 2rem}.my-courses-empty{padding:3rem 1rem;text-align:center;color:var(--color-text-secondary)}.my-courses-empty-hint{margin-top:.5rem;font-size:.875rem;color:var(--color-text-tertiary)}.my-courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}@media (max-width: 768px){.my-courses-grid{grid-template-columns:1fr}}.events-page{min-height:calc(100vh - 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.2s}.events-page-view-button:hover{background:var(--color-background-tertiary)}.events-page-view-button.active{background:var(--color-primary);color:var(--color-text-inverse)}.events-page-create{padding:.5rem 1rem;background:var(--color-button-primary);border:none;border-radius:6px;color:var(--color-button-text);cursor:pointer;font-size:.9375rem;font-weight:500;transition:background .2s}.events-page-create:hover{background:var(--color-button-primary-hover)}.events-page-content{width:100%}.events-page-modal{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem;overflow-y:auto}.events-page-modal-content{background:var(--color-background);border-radius:8px;max-width:800px;width:100%;max-height:90vh;overflow-y:auto;padding:2rem;box-shadow:var(--shadow-lg)}@media (max-width: 768px){.events-page{padding:1rem}.events-page-header,.events-page-controls{flex-direction:column;align-items:stretch}.events-page-filter,.events-page-view-toggle,.events-page-create{width:100%}}.following-feed-container{max-width:var(--container-width-wide);margin:0 auto;padding:var(--spacing-lg)}.following-feed-container .community-content{display:flex;flex-direction:column;gap:var(--spacing-xl)}@media (min-width: 768px){.following-feed-container .community-content{flex-direction:row}}.following-feed-container .community-feed{flex:1}.following-feed-container .feed-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);margin-bottom:var(--spacing-lg);margin-left:12px;padding-left:12px;padding-right:12px;color:var(--color-text-primary)}.following-feed-container .feed-empty{background:var(--color-background-secondary);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);padding:var(--spacing-xl);text-align:center;color:var(--color-text-secondary)}.following-feed-container .feed-empty p{margin:8px 0}:root{--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-primary-active: #1d4ed8;--color-text-primary: #1f2937;--color-text-secondary: #6b7280;--color-text-tertiary: #9ca3af;--color-text-inverse: #ffffff;--color-background: #ffffff;--color-background-secondary: #f9fafb;--color-background-tertiary: #f3f4f6;--color-border: #e5e7eb;--color-border-light: #f0f0f0;--color-button-primary: #3b82f6;--color-button-primary-hover: #2563eb;--color-button-primary-active: #1d4ed8;--color-button-text: #ffffff;--color-input-background: #ffffff;--color-input-text: #1f2937;--color-input-border: var(--color-border);--color-focus-ring: #3b82f6;--color-focus-ring-offset: #ffffff;--color-input-focus-border: #3b82f6;--color-button-focus-ring: #3b82f6;--color-disabled-background: #f3f4f6;--color-disabled-text: 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