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.2s}.menu-action-button:hover{background-color:var(--button-hover-bg)}.menu-action-button.destructive{color:#f43f5e}.menu-action-button.destructive:hover{background-color:#f43e601a;color:#be123c}.menu-button.destructive{color:#f43f5e}.menu-button.destructive:hover{background-color:#f43e601a;color:#be123c}.user-profile-menu-divider{height:1px;background-color:var(--border-color);margin:.5rem}.sidebar-footer{padding:1rem;margin-top:auto;border-top:1px solid var(--border-color)}.user-profile-wrapper{position:relative}.user-profile-menu{position:absolute;bottom:calc(100% + 8px);left:0;width:228px;background-color:var(--sidebar-bg-color);border-radius:12px;border:1px solid var(--border-color);box-shadow:0 4px 12px #0000004d;padding:.5rem;display:flex;flex-direction:column;gap:4px;z-index:10;opacity:0;transform:translateY(10px) scale(.95);transform-origin:bottom center;pointer-events:none;transition:opacity .2s cubic-bezier(.4,0,.2,1),transform .2s cubic-bezier(.4,0,.2,1)}.user-profile-menu.open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}.menu-button{display:flex;align-items:center;gap:12px;width:100%;padding:10px 12px;border:none;background-color:transparent;color:var(--primary-text-color);font-size:.9rem;font-weight:500;border-radius:8px;cursor:pointer;text-align:left;transition:background-color .2s ease}.menu-button>svg{font-size:16px}.menu-button:hover{background-color:var(--button-hover-bg)}.menu-button>svg{flex-shrink:0;color:var(--secondary-text-color)}.user-profile{display:flex;align-items:center;gap:12px;padding:8px;border-radius:8px;transition:background-color .2s ease,justify-content .3s cubic-bezier(.4,0,.2,1);cursor:pointer}.sidebar.is-collapsed .user-profile{justify-content:center;gap:0}.user-profile:hover{background-color:var(--button-hover-bg)}.user-avatar{width:32px;height:32px;border-radius:50%;background-color:#19c37d;color:var(--sidebar-bg-color);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1rem;flex-shrink:0}.user-name{flex-grow:1;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:opacity .2s ease,width .3s cubic-bezier(.4,0,.2,1)}.sidebar.is-collapsed .user-name{opacity:0;width:0}.user-options-button{background:none;border:none;color:var(--secondary-text-color);cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:background-color .2s,color .2s,opacity .3s ease;pointer-events:none}.sidebar.is-collapsed .user-options-button{opacity:0;width:0;padding:0}.convo-list li a.active{background-color:var(--button-hover-bg);font-weight:500}[data-theme=light] .user-profile-menu,[data-theme=light] .chat-item-actions-menu{background-color:var(--sidebar-bg-color);box-shadow:0 4px 12px #0000001a}[data-theme=light] .menu-button{color:var(--primary-text-color)}[data-theme=light] .menu-button>svg{color:var(--secondary-text-color)}.upgrade-banner-wrapper{position:relative;margin-bottom:1rem}.upgrade-banner{display:flex;align-items:center;gap:.75rem;background-color:#834ec126;border:1px solid hsla(268,48%,53%,.4);padding:.75rem 1rem;border-radius:10px;cursor:pointer;transition:all .2s 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cubic-bezier(.4,0,.2,1);border-right:1px solid var(--border-color)}.sidebar.mobile-open{transform:translate(0);box-shadow:4px 0 15px -5px #0003}.sidebar-overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background-color:#00000080;z-index:1050;animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.collapse-button{display:none}.mobile-close-button{display:flex;width:auto;padding:10px}.sidebar.is-collapsed{width:260px}.sidebar.is-collapsed .sidebar-top{justify-content:space-between;padding:.75rem 1rem}.sidebar.is-collapsed .sidebar-button span,.sidebar.is-collapsed .user-name{opacity:1;width:auto}.sidebar.is-collapsed .sidebar-button span{margin-left:12px}.sidebar.is-collapsed .sidebar-conversations{opacity:1;pointer-events:auto}.sidebar.is-collapsed .user-profile{justify-content:flex-start;gap:12px}.sidebar.is-collapsed .user-options-button{opacity:1;width:auto;padding:4px}}.confirm-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#0009;display:flex;justify-content:center;align-items:center;z-index:2000;opacity:0;animation:fadeIn .2s ease-out forwards}@keyframes fadeIn{to{opacity:1}}.confirm-modal-content{background-color:var(--sidebar-bg-color);padding:1.5rem 2rem;border-radius:12px;width:90%;max-width:400px;border:1px solid var(--border-color);color:var(--primary-text-color);box-shadow:0 10px 25px -5px #0000004d;transform:scale(.95);opacity:0;animation:scaleIn .2s .05s ease-out forwards}@keyframes scaleIn{to{transform:scale(1);opacity:1}}.confirm-modal-header{display:flex;align-items:center;gap:.75rem;padding-bottom:.75rem;border-bottom:2px solid var(--border-color);margin-bottom:1rem}.confirm-modal-icon{color:var(--secondary-text-color);flex-shrink:0}.confirm-modal-content h3{margin:0;font-size:1.125rem;font-weight:600;text-align:left}.confirm-modal-content p{color:var(--secondary-text-color);font-size:.9rem;margin-bottom:1.5rem;line-height:1.5;text-align:left}.confirm-modal-actions{display:flex;justify-content:flex-end;gap:.5rem}.confirm-modal-button{border:none;padding:.5rem 1rem;border-radius:9999px;font-weight:500;cursor:pointer;transition:all .2s ease-in-out;font-size:.875rem;min-width:80px}.confirm-modal-button.cancel{background-color:var(--main-bg-color);color:#ececec;border:1px solid var(--border-color)}.confirm-modal-button.cancel:hover{background-color:var(--button-hover-bg)}.confirm-modal-button.confirm{background-color:#fff;color:#000}.confirm-modal-button.confirm:hover{background-color:#f0f0f0}.confirm-modal-button.confirm.destructive{background-color:#ef4444;color:#fff}.confirm-modal-button.confirm.destructive:hover{background-color:#dc2626}[data-theme=light] .confirm-modal-content{box-shadow:0 10px 25px -5px #0000001a}[data-theme=light] .confirm-modal-button.cancel{background-color:var(--main-bg-color);color:var(--primary-text-color)}[data-theme=light] .confirm-modal-button.confirm{background-color:var(--primary-text-color);color:var(--main-bg-color)}[data-theme=light] .confirm-modal-button.confirm:hover{background-color:#374151}.rename-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#0009;display:flex;justify-content:center;align-items:center;z-index:2000;opacity:0;animation:fadeIn .2s ease-out forwards}.rename-modal-content{background-color:var(--sidebar-bg-color);padding:1.5rem 2rem;border-radius:12px;width:90%;max-width:400px;border:1px solid var(--border-color);color:var(--primary-text-color);box-shadow:0 10px 25px -5px #0000004d;transform:scale(.95);opacity:0;animation:scaleIn .2s .05s ease-out forwards}.rename-modal-header{display:flex;align-items:center;gap:.75rem;padding-bottom:.75rem;border-bottom:2px solid var(--border-color);margin-bottom:1rem}.rename-modal-icon{color:var(--secondary-text-color);flex-shrink:0}.rename-modal-content h3{margin:0;font-size:1.125rem;font-weight:600;text-align:left}.rename-modal-content input{width:100%;padding:.75rem 1rem;border-radius:8px;border:1px solid var(--border-color);background-color:var(--main-bg-color);color:var(--primary-text-color);font-size:1rem;box-sizing:border-box;transition:border-color .2s,box-shadow .2s;margin-bottom:1.5rem}.rename-modal-content input:focus{outline:none;border-color:#19c37d;box-shadow:0 0 0 2px #28af604d}.rename-modal-actions{display:flex;justify-content:flex-end;gap:.5rem}.rename-modal-button{border:none;padding:.5rem 1rem;border-radius:9999px;font-weight:500;cursor:pointer;transition:background-color .2s ease-in-out;font-size:.875rem;min-width:80px}.rename-modal-button.cancel{background-color:var(--main-bg-color);color:#ececec;border:1px solid var(--border-color)}.rename-modal-button.cancel:hover{background-color:var(--button-hover-bg)}.rename-modal-button.save{background-color:#fff;color:#000}.rename-modal-button.save:hover{background-color:#f0f0f0}[data-theme=light] .rename-modal-content{box-shadow:0 10px 25px -5px #0000001a}[data-theme=light] .rename-modal-content input:focus{box-shadow:0 0 0 2px #28af6066}[data-theme=light] .rename-modal-button.save{background-color:var(--primary-text-color);color:var(--main-bg-color)}[data-theme=light] .rename-modal-button.save:hover{background-color:#374151}.provider-selector{position:relative;width:100%}.provider-selector-button{width:100%;display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;background-color:var(--main-bg-color);border:1px solid var(--border-color);border-radius:8px;color:var(--primary-text-color);font-size:1rem;cursor:pointer;text-align:left;transition:border-color .2s,box-shadow .2s}.provider-selector-button:hover,.provider-selector-button:focus-visible{outline:none;border-color:#19c37d;box-shadow:0 0 0 2px #28af604d}.provider-info{display:flex;align-items:center;gap:.75rem;font-weight:500}.provider-icon{width:20px;height:20px;color:var(--primary-text-color)}.chevron-icon{color:var(--secondary-text-color);transition:transform .2s ease-in-out}.provider-selector-dropdown{position:absolute;top:calc(100% + 4px);left:0;right:0;background-color:var(--sidebar-bg-color);border:1px solid var(--border-color);border-radius:8px;padding:.5rem;z-index:1010;box-shadow:0 8px 16px #0003;opacity:0;transform:translateY(-10px);animation:dropdown-fade-in .2s ease forwards}.provider-item{display:flex;align-items:center;gap:.75rem;padding:.75rem;border-radius:6px;cursor:pointer;transition:background-color 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h4{margin:0;font-weight:600}.voice-gender{width:10px;height:10px;border-radius:50%;background:#64748b}.voice-gender.female{background:#ec4899}.voice-gender.male{background:#3b82f6}.voice-desc{margin:8px 0 12px;color:var(--secondary-text-color);font-size:.9rem}.voice-actions{display:flex;justify-content:space-between;align-items:center;gap:10px}.preview-btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border-color);background:var(--main-bg-color);color:var(--primary-text-color);padding:6px 10px;border-radius:10px;cursor:pointer}.preview-btn:hover{background:var(--button-hover-bg)}.select-radio{display:inline-flex;align-items:center;gap:6px}.voice-sliders{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:12px}.slider-group label{display:flex;justify-content:space-between;margin-bottom:6px;color:var(--secondary-text-color)}.slider-group input[type=range]{width:100%}@media (max-width: 768px){.voice-grid,.voice-sliders{grid-template-columns:1fr}}.model-selector{position:relative;display:inline-block;font-family:inherit}.model-selector-placeholder{height:38px;width:150px}.model-selector-button{background:none;border:none;color:var(--primary-text-color);font-size:1.1rem;font-weight:500;display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;border-radius:8px;cursor:pointer;transition:background-color .2s ease}.model-selector-button:hover{background-color:var(--button-hover-bg)}.beta-tag{position:relative;top:2px;font-size:.8rem;font-weight:600;line-height:1;padding:3px 9px;border-radius:6px;color:var(--primary-text-color);border:2px solid #834ab5;background:linear-gradient(111deg,#d2bfe8,#ad6cef);display:inline-flex;align-items:center}.model-selector-button svg{color:var(--secondary-text-color);transition:transform .2s ease}.model-selector-button svg.open{transform:rotate(180deg)}.model-selector-dropdown{position:absolute;top:calc(100% + 8px);left:50%;transform:translate(-50%);width:320px;background-color:var(--main-bg-color);border:1px solid var(--border-color);border-radius:12px;box-shadow:0 8px 24px #0003;padding:.5rem;z-index:100;opacity:0;animation:fadeInDropdown .2s ease forwards}@keyframes fadeInDropdown{0%{opacity:0;transform:translate(-50%) translateY(-10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.model-item{display:flex;align-items:center;padding:.75rem;border-radius:8px;cursor:pointer;transition:background-color .2s ease;gap:1rem}.model-item:hover{background-color:var(--button-hover-bg)}.model-item-icon{color:var(--secondary-text-color);flex-shrink:0}.model-item.selected 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768px){.mobile-header{display:flex}}.sub-success-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:2147483000;display:grid;place-items:center}.sub-success-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--overlay-scrim);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .2s ease forwards;z-index:0}.sub-success-card{position:relative;width:min(560px,92vw);background:var(--main-bg-color);color:var(--primary-text-color);border-radius:16px;box-shadow:0 20px 60px #00000059;padding:28px 28px 24px;transform:translateY(10px) scale(.98);opacity:0;animation:popIn .32s cubic-bezier(.2,.8,.2,1) forwards;z-index:1;isolation:isolate}.sub-success-card .icon-wrap{width:60px;height:60px;border-radius:50%;display:grid;place-items:center;margin:0 auto 12px;color:#19c37d;background:radial-gradient(circle at 30% 30%,#19c37d40,#19c37d0d)}.sub-success-card .title{text-align:center;margin:6px 0 4px;font-size:24px;letter-spacing:.2px}.sub-success-card .subtitle{text-align:center;opacity:.8;margin:0 0 14px}.sub-success-card .feature-list{margin:8px 0 18px;padding-left:18px;display:grid;gap:8px}.sub-success-card .feature-list li{line-height:1.4}.sub-success-card .cta-button{display:block;width:100%;padding:12px 16px;border-radius:10px;border:none;background:linear-gradient(135deg,#19c37d,#10b981);color:#fff;font-weight:600;cursor:pointer;transition:filter .12s ease,transform .12s ease}.sub-success-card .cta-button:hover{filter:brightness(1.05);transform:translateY(-1px)}.sub-success-card .cta-button:active{transform:translateY(0)}.confetti{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden}.confetti span{position:absolute;top:-10px;left:50%;width:8px;height:12px;background:currentColor;border-radius:2px;opacity:.9;animation:confettiFall 1.2s ease-out forwards}.confetti span:nth-child(1){left:40%;background:#19c37d;animation-delay:80ms;transform:rotate(12deg)}.confetti span:nth-child(2){left:50%;background:#06b6d4;animation-delay:.12s;transform:rotate(-8deg)}.confetti span:nth-child(3){left:60%;background:#f59e0b;animation-delay:.16s;transform:rotate(18deg)}.confetti span:nth-child(4){left:45%;background:#8b5cf6;animation-delay:.2s;transform:rotate(-16deg)}.confetti span:nth-child(5){left:55%;background:#ef4444;animation-delay:.24s;transform:rotate(10deg)}@keyframes confettiFall{0%{transform:translateY(-20px) rotate(0);opacity:0}15%{opacity:1}to{transform:translateY(220px) rotate(260deg);opacity:0}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes popIn{0%{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}