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var(--color-border);border-radius:24px;background:var(--color-background);color:var(--color-text);font-family:var(--font-family-body);font-size:var(--font-size-base);resize:none;outline:none;transition:border-color .2s ease,box-shadow .2s ease;line-height:1.5;scrollbar-width:none;-ms-overflow-style:none}.chat-input__textarea::-webkit-scrollbar{display:none}.chat-input__textarea:focus{border-color:var(--color-secondary);box-shadow:0 0 0 3px rgba(var(--color-secondary-rgb),.1)}.chat-input__textarea::placeholder{color:var(--color-text-light)}.chat-input__send{position:absolute;right:8px;bottom:8px;width:36px;height:36px;border-radius:50%;background-color:var(--color-primary);color:var(--color-primary-negative);display:flex;align-items:center;justify-content:center;padding:0;flex-shrink:0}.chat-input__send:hover:not(:disabled){transform:scale(1.05);box-shadow:var(--shadow-md)}.chat-input__send svg{width:20px;height:20px}.user-menu{padding:var(--space-md);border-top:1px solid 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env(safe-area-inset-top))}.mobile-header-left{display:flex;align-items:center;min-width:var(--touch-target-min)}.mobile-header-center{flex:1;display:flex;justify-content:center;align-items:center}.mobile-header-right{display:flex;align-items:center;justify-content:flex-end;min-width:var(--touch-target-min)}.hamburger-btn{min-width:var(--touch-target-min);min-height:var(--touch-target-min);padding:var(--space-mobile-xs);border-radius:var(--radius-sm);background:none!important;border:none!important;color:var(--color-primary)!important;cursor:pointer;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;touch-action:manipulation;transition:none}.hamburger-btn svg{width:24px!important;height:24px!important;color:var(--color-primary)!important;fill:var(--color-primary)!important;pointer-events:none}.hamburger-btn:active{background-color:var(--color-background-light)!important;transform:scale(.95)}@media (hover: none) and (pointer: coarse){.hamburger-btn:hover{background-color:transparent!important}}@media (hover: hover) and (pointer: fine){.hamburger-btn{transition:background-color .2s ease}.hamburger-btn:hover{background-color:var(--color-background-light)!important}.hamburger-btn:active{transform:none}}.mobile-title{font-family:var(--font-family-heading);font-weight:var(--font-weight-heading);font-size:var(--font-size-mobile-lg);color:var(--color-primary);margin:0;text-align:center}.mobile-logo{height:32px;width:auto;object-fit:contain}.dropdown-menu--shared{background:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:1000;min-width:200px}@media (max-width: 767px){.dropdown-menu--shared{position:fixed!important;top:calc(var(--touch-target-min) + var(--space-mobile-sm))!important;right:var(--space-mobile-md)!important;z-index:1001!important}.mobile-header-main .dropdown-menu--shared{position:fixed!important;top:60px!important;right:16px!important;z-index:1001!important;transform:none!important}}@media (min-width: 768px){.mobile-header-main{display:none}.dropdown-menu--shared{position:absolute!important;top:100%!important;right:0!important;margin-top:var(--space-xs)!important}}@media (max-width: 767px){.app-layout{height:100vh;height:-webkit-fill-available;height:100dvh;height:100svh;display:flex;flex-direction:column;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}.chat-layout{flex:1;display:flex;position:relative;overflow:hidden;min-height:0}}@media (max-width: 767px){.sidebar{position:fixed!important;top:calc(var(--touch-target-min) + env(safe-area-inset-top));left:0;height:calc(100svh - (var(--touch-target-min) + env(safe-area-inset-top)));width:280px;background:var(--color-background);border-right:1px solid var(--color-border);z-index:200;transform:translate(-100%);transition:transform .3s 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767px){.chat-container{height:100%;display:flex;flex-direction:column}.chat-messages{flex:1;overflow-y:auto;padding:var(--space-mobile-sm);-webkit-overflow-scrolling:touch}.chat-input-container{padding:var(--space-mobile-sm) var(--space-mobile-sm) var(--space-mobile-lg);background:var(--color-background)}}@media (max-width: 767px){.chat-message{margin-bottom:var(--space-mobile-md);font-size:var(--font-size-mobile-base);line-height:1.5}.chat-message--user{margin-left:var(--space-mobile-lg)}.chat-message--assistant{margin-right:var(--space-mobile-lg)}.chat-message__content{padding:var(--space-mobile-sm) var(--space-mobile-md);border-radius:var(--radius-lg);max-width:100%;word-wrap:break-word}.chat-message__timestamp{font-size:var(--font-size-mobile-sm);margin-top:var(--space-mobile-xs)}}@media (max-width: 767px){.chat-input{min-height:var(--touch-target-min);font-size:var(--font-size-mobile-base);padding:var(--space-mobile-sm) var(--space-mobile-md);border-radius:var(--radius-lg);resize:none}.chat-input-wrapper{display:flex;align-items:flex-end;gap:var(--space-mobile-sm)}.chat-input-wrapper .chat-input{flex:1}.chat-send-btn{min-width:var(--touch-target-min);min-height:var(--touch-target-min);border-radius:50%;padding:var(--space-mobile-sm)}}@media (max-width: 767px){.threads-list{padding:var(--space-mobile-xs)}.thread-item{min-height:var(--touch-target-min);padding:var(--space-mobile-sm) var(--space-mobile-md);font-size:var(--font-size-mobile-base);border-radius:var(--radius-md);margin-bottom:var(--space-mobile-xs)}.thread-item:active{background-color:var(--color-background-light)}}@media (max-width: 767px){.auth-container{min-height:100vh;min-height:100dvh;min-height:100svh;padding:var(--space-mobile-md);padding-top:max(var(--space-mobile-md),env(safe-area-inset-top));padding-bottom:max(var(--space-mobile-md),env(safe-area-inset-bottom));display:flex;align-items:center;justify-content:center}.auth-card{width:100%;max-width:400px;padding:var(--space-mobile-lg);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.auth-header{text-align:center;margin-bottom:var(--space-mobile-lg)}.auth-title{font-size:var(--font-size-mobile-xl);font-weight:var(--font-weight-heading);margin-bottom:var(--space-mobile-sm)}.auth-subtitle{font-size:var(--font-size-mobile-base);color:var(--color-text-secondary)}}@media (max-width: 767px){.form__group{margin-bottom:var(--space-mobile-md)}.form__label{font-size:var(--font-size-mobile-sm);font-weight:var(--font-weight-medium);margin-bottom:var(--space-mobile-xs);display:block}.form__input{width:100%;min-height:var(--touch-target-min);font-size:var(--font-size-mobile-base);padding:var(--space-mobile-sm) var(--space-mobile-md);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-background);transition:border-color .2s ease}.form__input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-light)}.form__error{font-size:var(--font-size-mobile-sm);color:var(--color-error);margin-top:var(--space-mobile-xs)}.form__help{font-size:var(--font-size-mobile-sm);color:var(--color-text-secondary);margin-top:var(--space-mobile-xs)}}@media (max-width: 767px){.auth-buttons{display:flex;flex-direction:column;gap:var(--space-mobile-sm);margin-top:var(--space-mobile-lg)}.auth-links{text-align:center;margin-top:var(--space-mobile-md)}.auth-link{font-size:var(--font-size-mobile-sm);color:var(--color-primary);text-decoration:none;padding:var(--space-mobile-xs)}.auth-link:hover{text-decoration:underline}}.mobile-only{display:block}.desktop-only{display:none}@media (min-width: 768px){.mobile-only{display:none}.desktop-only{display:grid}}@media (max-width: 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480px){.sm-hidden{display:none!important}.sm-text-center{text-align:center!important}.sm-px-xs{padding-left:var(--space-mobile-xs)!important;padding-right:var(--space-mobile-xs)!important}}@media (min-width: 481px) and (max-width: 767px){.md-mobile-hidden{display:none!important}}@media (min-width: 768px) and (max-width: 1023px){.tablet-hidden{display:none!important}.tablet-flex-col{flex-direction:column!important}}@media (min-width: 1024px){.desktop-hidden{display:none!important}}@media (max-width: 767px){.dashboard-header .chat-header-container{position:sticky;top:0;z-index:100;border-bottom:1px solid var(--color-border);background-color:var(--color-background);height:calc(var(--touch-target-min) + env(safe-area-inset-top));padding:env(safe-area-inset-top) var(--space-mobile-md) 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var(--color-border);border-radius:12px;background:var(--color-background-third);padding:var(--space-mobile-lg);box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}.mobile-plan-card:active{transform:translateY(1px);box-shadow:var(--shadow-xs)}.mobile-plan-name{font-size:var(--font-size-mobile-lg);font-weight:600;margin-bottom:var(--space-mobile-sm);color:var(--color-primary)}.mobile-plan-description{font-size:var(--font-size-mobile-base);line-height:1.5;margin-bottom:var(--space-mobile-md);color:var(--color-text)}.mobile-plan-price{font-size:var(--font-size-mobile-lg);font-weight:500;margin-bottom:var(--space-mobile-lg);color:var(--color-primary)}.mobile-plan-btn{width:100%;min-height:var(--touch-target-min);font-size:var(--font-size-mobile-base);padding:var(--space-mobile-md);font-weight:500}.mobile-plan-card .current-plan-indicator{text-align:center;background:var(--color-success-light);color:var(--color-success-dark);border:1px solid var(--color-success);border-radius:8px;padding:var(--space-mobile-md);font-weight:600;font-size:var(--font-size-mobile-sm);margin-top:var(--space-mobile-sm)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (hover: none) and (pointer: coarse){button:hover,.btn:hover,.hamburger-btn:hover,.back-button:hover{background-color:transparent!important;background:none!important}}.modal-title{margin:0 0 var(--space-sm) 0;font-family:var(--font-family-heading);color:var(--color-primary)}.modal-subtitle{margin:0 0 var(--space-lg) 0;color:var(--color-text-muted);font-size:var(--font-size-sm)}.assistant-list{display:flex;flex-direction:column;gap:var(--space-sm);max-height:300px;overflow-y:auto;margin-bottom:var(--space-lg);padding-right:4px}.assistant-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);border:2px solid var(--color-primary);border-radius:var(--radius-base);background-color:var(--color-background-secondary);cursor:pointer;transition:all .2s ease;color:var(--color-primary)}.assistant-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}.assistant-item.selected{background-color:var(--color-primary);color:var(--color-primary-negative);border-color:var(--color-primary);transform:none;box-shadow:none}.assistant-name{font-weight:var(--font-weight-medium)}.assistant-icon{width:24px;height:24px;flex-shrink:0;color:inherit;fill:currentColor}.no-assistants-message{background-color:var(--color-background-light);border-left:4px solid var(--color-warning);padding:var(--space-md);border-radius:var(--radius-base);margin-bottom:var(--space-lg)}.no-assistants-message a{color:var(--color-secondary);font-weight:var(--font-weight-medium)}.modal-actions{display:flex;justify-content:flex-end;gap:var(--space-sm);border-top:1px solid var(--color-border-light);padding-top:var(--space-lg);margin-top:var(--space-lg)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#0009;display:flex;align-items:center;justify-content:center;z-index:var(--z-modal);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .3s ease}.modal-content{background:var(--color-background);padding:var(--space-lg);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:90%;max-width:500px;animation:slideInUp .4s ease}.modal-title{margin:0 0 var(--space-lg) 0;font-family:var(--font-family-heading);color:var(--color-primary)}.thread-delete-list{display:flex;flex-direction:column;gap:var(--space-xs);max-height:40vh;overflow-y:auto;border-top:1px solid var(--color-border-light);border-bottom:1px solid var(--color-border-light);padding:var(--space-sm) 0}.thread-delete-item{display:flex;justify-content:space-between;align-items:center;padding:var(--space-sm) var(--space-sm);border-radius:var(--radius-base);transition:background-color .2s ease}.thread-delete-item:hover{background-color:var(--color-background-light)}.thread-title-delete{font-size:var(--font-size-sm);color:var(--color-text-muted)}.no-threads-message{text-align:center;padding:var(--space-lg);color:var(--color-text-muted)}.btn-delete-single{background:none;border:none;color:var(--color-text);cursor:pointer;padding:var(--space-xs);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.btn-delete-single svg{color:var(--color-text)!important;fill:currentColor!important}.btn-delete-single:hover{background-color:var(--color-error-background);color:var(--color-error)}.btn-delete-single:hover svg{color:var(--color-error)!important;fill:currentColor!important}.modal-actions{display:flex;justify-content:flex-end;gap:var(--space-sm);padding-top:var(--space-lg);margin-top:var(--space-sm)}.confirm-delete-container{width:100%;display:flex;flex-direction:column;align-items:center;gap:var(--space-md)}.confirm-text{display:flex;align-items:center;gap:var(--space-sm);color:var(--color-error);font-weight:var(--font-weight-medium)}.confirm-buttons{display:flex;justify-content:center;gap:var(--space-sm)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.symmetrical-actions{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-sm);width:100%}.confirm-overlay{z-index:calc(var(--z-modal) + 1)}.confirm-modal-content{max-width:420px;text-align:center}.confirm-header{display:flex;flex-direction:column;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-sm)}.confirm-icon{color:var(--color-warning)}.confirm-message{color:var(--color-text-muted);font-size:var(--font-size-sm);line-height:1.6;margin-bottom:var(--space-lg)}.confirm-modal-content .modal-actions{display:grid;grid-template-columns:1fr 1fr}.chat-header-container{display:grid;grid-template-columns:auto 1fr auto;align-items:center;width:100%;height:60px;padding:0 var(--space-lg);background-color:var(--color-background);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-sm)}.header-left{display:flex;justify-content:flex-start}.header-center{display:flex;justify-content:center;align-items:center;gap:var(--space-sm);overflow:hidden}.header-logo{height:40px;width:auto;flex-shrink:0;object-fit:contain;max-width:100px}.header-title{font-family:var(--font-family-heading);font-weight:var(--font-weight-heading);font-size:1.5rem;color:var(--color-primary);white-space:nowrap;margin:0}.back-button{background:none;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:var(--space-sm);border-radius:var(--radius-base);color:var(--color-primary);-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;touch-action:manipulation}.back-button:active{background-color:var(--color-background-light);transform:scale(.95)}@media (hover: none) and (pointer: coarse){.back-button:hover{background-color:transparent!important}}@media (hover: hover) and (pointer: fine){.back-button{transition:background-color .2s ease}.back-button:hover{background-color:var(--color-background-light)}}@media (max-width: 767px){.chat-header-container{height:var(--touch-target-min);padding:var(--space-mobile-sm) var(--space-mobile-md)}.header-logo{height:32px}.header-title{display:none}.back-button{min-width:var(--touch-target-min);min-height:var(--touch-target-min);padding:var(--space-mobile-xs);border-radius:var(--radius-sm)}.back-button svg{width:24px;height:24px}}.specialist-selector-container{padding:var(--space-sm)}.selector-header{text-align:center;margin-bottom:var(--space-lg)}.selector-title{font-size:1.3rem;font-weight:600;color:var(--color-primary);margin-bottom:var(--space-xs)}.selector-subtitle{color:var(--color-text-muted);font-size:var(--font-size-sm)}.selector-columns{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-lg);border-top:1px solid var(--color-border-light);border-bottom:1px solid var(--color-border-light);padding:var(--space-md) 0;margin-bottom:var(--space-lg)}.column{display:flex;flex-direction:column}.column-title{text-align:center;font-weight:500;color:var(--color-text-muted);margin-bottom:var(--space-md);padding-bottom:var(--space-sm);border-bottom:2px solid var(--color-border-light)}.column-list{background-color:var(--color-background-light);border-radius:var(--radius-base);height:300px;overflow-y:auto;padding:var(--space-sm);display:flex;flex-direction:column;gap:var(--space-xs)}.list-item{display:flex;justify-content:space-between;align-items:center;padding:var(--space-sm);background-color:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius-base)}.list-item.item-selected-column{justify-content:flex-start;gap:var(--space-sm)}.move-button{background:none;border:1px solid transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:var(--space-sm);border-radius:50%;color:var(--color-primary);transition:all .2s ease}.move-button svg{width:28px;height:28px;fill:currentColor}.move-button:hover:not(:disabled){background-color:var(--color-background-secondary);border-color:var(--color-primary)}.move-button:disabled{color:var(--color-text-light);cursor:not-allowed}.move-button--remove{color:var(--color-error)}.move-button--remove:hover:not(:disabled){background-color:var(--color-error-background);border-color:var(--color-error)}.selector-actions{display:flex;justify-content:flex-end;gap:var(--space-sm)}@media (max-width: 767px){.specialist-selector-container{padding:var(--space-mobile-md)}.selector-header{margin-bottom:var(--space-mobile-lg)}.selector-title{font-size:var(--font-size-mobile-lg);margin-bottom:var(--space-mobile-sm)}.selector-subtitle{font-size:var(--font-size-mobile-base)}.selector-columns{display:none}.mobile-specialist-list{display:flex;flex-direction:column;gap:var(--space-mobile-sm);max-height:60vh;overflow-y:auto;margin-bottom:var(--space-mobile-lg);padding:var(--space-mobile-sm);background-color:var(--color-background-light);border-radius:var(--radius-lg)}.mobile-specialist-item{display:flex;align-items:center;gap:var(--space-mobile-md);padding:var(--space-mobile-md);background-color:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius-base);min-height:var(--touch-target-min);cursor:pointer;transition:none;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;touch-action:manipulation}.mobile-specialist-item:active{background-color:var(--color-background-light);transform:scale(.98)}@media (hover: none) and (pointer: coarse){.mobile-specialist-item:hover{background-color:var(--color-background)!important;transform:none!important}.mobile-specialist-item.selected:hover{background-color:var(--color-primary-light)!important}}@media (hover: hover) and (pointer: fine){.mobile-specialist-item{transition:all .2s ease}.mobile-specialist-item:hover:not(.disabled){background-color:var(--color-background-light)}.mobile-specialist-item.selected:hover{background-color:var(--color-primary-light)}.mobile-specialist-item:active{transform:none}}.mobile-specialist-item.selected{background-color:var(--color-primary-light);border-color:var(--color-primary)}.mobile-specialist-item.disabled{opacity:.5;cursor:not-allowed}.mobile-specialist-checkbox{width:20px;height:20px;border:2px solid var(--color-border);border-radius:var(--radius-sm);background-color:var(--color-background);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .2s ease}.mobile-specialist-item.selected .mobile-specialist-checkbox{background-color:var(--color-primary);border-color:var(--color-primary);color:var(--color-primary-negative)}.mobile-specialist-checkbox svg{width:14px;height:14px;opacity:0;transition:opacity .2s ease}.mobile-specialist-item.selected .mobile-specialist-checkbox svg{opacity:1}.mobile-specialist-name{flex:1;font-size:var(--font-size-mobile-base);color:var(--color-text);font-weight:var(--font-weight-medium)}.mobile-specialist-item.selected .mobile-specialist-name{color:var(--color-primary)}.selector-actions{flex-direction:column;gap:var(--space-mobile-sm)}.selector-actions .btn{width:100%;min-height:var(--touch-target-min);font-size:var(--font-size-mobile-base);padding:var(--space-mobile-md);transition:none!important;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;touch-action:manipulation}.selector-actions .btn:active{transform:scale(.98)}@media (hover: none) and (pointer: coarse){.selector-actions .btn:hover{background-color:var(--color-primary)!important;transform:none!important}.selector-actions .btn--secondary:hover{background-color:var(--color-background-secondary)!important;color:var(--color-text)!important;border-color:var(--color-border)!important}}@media (hover: hover) and (pointer: fine){.selector-actions .btn{transition:all .2s ease!important}.selector-actions .btn:active{transform:none}}}@media (min-width: 768px){.mobile-specialist-list{display:none}}.dashboard-container{display:flex;flex-direction:column;height:100vh;background-color:var(--color-background)}.dashboard-header{position:sticky;top:0;z-index:10;background-color:var(--color-background);box-shadow:var(--shadow-sm);flex-shrink:0}.dashboard-content{flex:1;overflow-y:auto;background-color:var(--color-background-fifth);padding:var(--space-lg);display:flex;flex-direction:column;align-items:center;gap:var(--space-lg)}.dashboard-card{width:100%;max-width:600px;background-color:var(--color-background);padding:var(--space-lg)}.dashboard-card-title{text-align:center;font-size:1.2rem;font-weight:500;margin-bottom:var(--space-md);color:var(--color-primary)}.plan-summary{font-size:1.1rem;line-height:1.6;text-align:left}.specialists-list{margin:var(--space-sm) 0 0 0;padding-left:var(--space-lg);text-align:left}.specialists-list li{font-size:1rem;margin-bottom:var(--space-xs)}.card-actions{display:flex;justify-content:center;margin-top:var(--space-lg)}.no-subscription-view{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-xl);min-height:80vh}.view-title{font-weight:600;font-size:1.2rem;margin-bottom:var(--space-md)}.view-subtitle{color:var(--color-text-muted);margin-bottom:var(--space-xl)}.plan-grid{display:flex;gap:var(--space-lg);justify-content:center;flex-wrap:wrap;width:100%;max-width:900px}.plan-card .btn{margin-top:auto}.loading-view,.error-view{display:flex;align-items:center;justify-content:center;height:100vh}.error-view{color:var(--color-error)}.plan-grid{display:flex;flex-direction:row;flex-wrap:wrap;gap:var(--space-lg);justify-content:center;width:100%}.plan-card{border:1px solid var(--color-border);border-radius:12px;background:var(--color-background-third);min-width:220px;max-width:260px;flex:1 1 220px;display:flex;flex-direction:column;align-items:flex-start;padding:1.5rem 1rem;box-shadow:var(--shadow-sm)}.plan-title{text-align:left;font-weight:600;font-size:1.1rem;margin-bottom:var(--space-sm)}.plan-description{text-align:left;margin-bottom:var(--space-md);color:var(--color-text)}.plan-price{font-weight:500;font-size:1.05rem;margin-bottom:var(--space-lg);text-align:left}.plan-card .btn{margin-top:auto;width:100%}.current-plan-indicator{margin-top:auto;width:100%;text-align:center;font-weight:500;color:var(--color-primary)}.modal-content.wide-modal{max-width:900px}.specialist-selector-modal{max-width:800px}.small{font-size:.75em;color:var(--color-text-muted)}.plan-selection-card{max-width:900px!important}