.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border);z-index:10;flex-direction:column;padding:12px 0;display:flex}.sidebar__brand{border-bottom:1px solid var(--border-light);flex-direction:column;align-items:center;gap:4px;margin-bottom:8px;padding:8px 0 16px;display:flex}.sidebar__logo{border-radius:var(--radius-md);width:36px;height:36px}.sidebar__name{letter-spacing:.08em;color:var(--text-secondary);writing-mode:vertical-rl;font-size:9px;font-weight:700;display:none;transform:rotate(180deg)}.sidebar__nav{flex-direction:column;flex:1;gap:2px;padding:0 8px;display:flex}.sidebar__nav-item{border-radius:var(--radius-md);color:var(--text-secondary);transition:background var(--transition-fast), color var(--transition-fast);flex-direction:column;align-items:center;gap:2px;padding:10px 4px;display:flex}.sidebar__nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar__nav-item--active{background:var(--accent-muted);color:var(--accent)}.sidebar__nav-label{text-align:center;text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:9px;font-weight:500;line-height:1.2;overflow:hidden}.sidebar__footer{border-top:1px solid var(--border-light);flex-direction:column;gap:2px;margin-top:auto;padding:8px 8px 0;display:flex}.sidebar__account{border-radius:var(--radius-md);transition:background var(--transition-fast);flex-direction:column;align-items:center;gap:4px;margin-bottom:4px;padding:8px 4px;display:flex}.sidebar__account:hover{background:var(--bg-hover)}.sidebar__account-avatar{border-radius:var(--radius-full);color:#fff;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;font-weight:600;display:flex}.sidebar__account-info,.sidebar__account-name,.sidebar__account-username{display:none}@media (width>=1025px){.sidebar{width:200px;min-width:200px;padding:16px 12px}.sidebar__brand{flex-direction:row;justify-content:flex-start;gap:10px;padding:4px 8px 16px}.sidebar__name{writing-mode:horizontal-tb;font-size:var(--font-size-lg);letter-spacing:-.02em;color:var(--text-primary);display:block;transform:none}.sidebar__nav-item{flex-direction:row;justify-content:flex-start;gap:10px;padding:10px 12px}.sidebar__nav-label{font-size:var(--font-size-sm)}.sidebar__account{flex-direction:row;padding:10px 12px}.sidebar__account-info{flex-direction:column;align-items:flex-start;min-width:0;display:flex}.sidebar__account-name{font-size:var(--font-size-sm);white-space:nowrap;text-overflow:ellipsis;max-width:120px;font-weight:600;display:block;overflow:hidden}.sidebar__account-username{font-size:var(--font-size-xs);color:var(--text-tertiary);display:block}}@media (width<=768px){.sidebar{display:none}}.avatar{flex-shrink:0;position:relative}.avatar__circle{border-radius:var(--radius-full);color:#fff;letter-spacing:.02em;-webkit-user-select:none;user-select:none;justify-content:center;align-items:center;font-weight:600;display:flex}.avatar--sm .avatar__circle{width:32px;height:32px;font-size:11px}.avatar--md .avatar__circle{width:48px;height:48px;font-size:14px}.avatar--lg .avatar__circle{width:56px;height:56px;font-size:16px}.avatar--xl .avatar__circle{width:80px;height:80px;font-size:24px}.avatar__online{background:var(--success);border:2px solid var(--bg-primary);border-radius:var(--radius-full);width:12px;height:12px;position:absolute;bottom:1px;right:1px}.avatar--sm .avatar__online{width:10px;height:10px}.chat-list{width:var(--chat-list-width);min-width:var(--chat-list-width);background:var(--bg-primary);border-right:1px solid var(--border);flex-direction:column;height:100%;display:flex}.chat-list__header{border-bottom:1px solid var(--border-light);flex-shrink:0;padding:16px 16px 12px}.chat-list__title{font-size:var(--font-size-xl);letter-spacing:-.02em;margin-bottom:12px;font-weight:700}.chat-list__search-input{background:var(--bg-secondary);border-radius:var(--radius-md);width:100%;font-size:var(--font-size-sm);color:var(--text-primary);transition:background var(--transition-fast), box-shadow var(--transition-fast);padding:9px 14px}.chat-list__search-input::placeholder{color:var(--text-tertiary)}.chat-list__search-input:focus{background:var(--bg-tertiary);box-shadow:0 0 0 2px var(--accent-muted)}.chat-list__items{overscroll-behavior:contain;flex:1;overflow-y:auto}.chat-list__empty{text-align:center;color:var(--text-tertiary);font-size:var(--font-size-sm);padding:32px 16px}.chat-list-item{text-align:left;width:100%;transition:background var(--transition-fast);border-bottom:1px solid var(--border-light);align-items:center;gap:12px;padding:10px 16px;display:flex}.chat-list-item:hover{background:var(--bg-hover)}.chat-list-item--active,.chat-list-item--active:hover{background:var(--accent-muted)}.chat-list-item__content{flex:1;min-width:0}.chat-list-item__top,.chat-list-item__bottom{justify-content:space-between;align-items:center;gap:8px;display:flex}.chat-list-item__name{font-weight:600;font-size:var(--font-size-base);white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:4px;display:flex;overflow:hidden}.chat-list-item__verified{color:var(--accent);flex-shrink:0}.chat-list-item__time{font-size:var(--font-size-xs);color:var(--text-tertiary);flex-shrink:0}.chat-list-item__message{font-size:var(--font-size-sm);color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}.chat-list-item__indicators{flex-shrink:0;align-items:center;gap:4px;display:flex}.chat-list-item__icon{color:var(--text-tertiary)}.chat-list-item__badge{background:var(--accent);min-width:20px;height:20px;color:var(--text-on-accent);border-radius:var(--radius-full);justify-content:center;align-items:center;padding:0 6px;font-size:11px;font-weight:600;display:flex}@media (width<=768px){.chat-list{border-right:none;width:100%;min-width:100%}.chat-list__mobile-top{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.chat-list__brand{align-items:center;gap:10px;display:flex}.chat-list__logo{border-radius:var(--radius-md);width:32px;height:32px}.chat-list__brand-name{font-size:var(--font-size-lg);letter-spacing:-.02em;font-weight:700}.chat-list__mobile-actions{align-items:center;gap:4px;display:flex}.chat-list__mobile-actions button{border-radius:var(--radius-full);width:36px;height:36px;color:var(--text-secondary);transition:background var(--transition-fast);justify-content:center;align-items:center;display:flex}.chat-list__mobile-actions button:hover{background:var(--bg-hover)}.chat-list__mobile-avatar{border-radius:var(--radius-full);color:#fff;justify-content:center;align-items:center;width:28px;height:28px;font-size:12px;font-weight:600;display:flex}.chat-list__filters{gap:6px;margin-top:12px;padding-bottom:2px;display:flex;overflow-x:auto}.chat-list__filter{border-radius:var(--radius-full);font-size:var(--font-size-xs);white-space:nowrap;background:var(--bg-secondary);color:var(--text-secondary);transition:background var(--transition-fast), color var(--transition-fast);padding:6px 14px;font-weight:500}.chat-list__filter--active{background:var(--accent-muted);color:var(--accent)}}.chat-header{height:var(--header-height);background:var(--bg-primary);border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:8px;padding:0 16px;display:flex}.chat-header__back{border-radius:var(--radius-full);width:36px;height:36px;color:var(--text-secondary);transition:background var(--transition-fast);flex-shrink:0;justify-content:center;align-items:center;display:flex}.chat-header__back:hover{background:var(--bg-hover)}.chat-header__info{text-align:left;border-radius:var(--radius-md);min-width:0;transition:background var(--transition-fast);flex:1;align-items:center;gap:10px;padding:4px 8px 4px 0;display:flex}.chat-header__info:hover{background:var(--bg-hover)}.chat-header__text{min-width:0}.chat-header__name{font-weight:600;font-size:var(--font-size-base);white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:4px;display:flex;overflow:hidden}.chat-header__verified{color:var(--accent);flex-shrink:0}.chat-header__status{font-size:var(--font-size-xs);color:var(--text-secondary);display:block}.chat-header__actions{flex-shrink:0;gap:2px;display:flex}.chat-header__action{border-radius:var(--radius-full);width:36px;height:36px;color:var(--text-secondary);transition:background var(--transition-fast), color var(--transition-fast);justify-content:center;align-items:center;display:flex}.chat-header__action:hover{background:var(--bg-hover);color:var(--text-primary)}.message{flex-direction:column;max-width:75%;margin-bottom:4px;display:flex;position:relative}.message--outgoing{align-self:flex-end;align-items:flex-end}.message--incoming{align-self:flex-start;align-items:flex-start}.message__pinned{font-size:var(--font-size-xs);color:var(--accent);align-items:center;gap:4px;margin-bottom:2px;padding:0 4px;display:flex}.message__bubble{border-radius:var(--radius-lg);font-size:calc(var(--font-size-base) * var(--msg-size-multiplier));word-break:break-word;padding:8px 12px;line-height:1.45;position:relative}.message__bubble--in{background:var(--bg-message-in);border-bottom-left-radius:var(--radius-sm);box-shadow:var(--shadow-sm)}.message__bubble--out{background:var(--bg-message-out);border-bottom-right-radius:var(--radius-sm)}.message__sender{font-size:var(--font-size-xs);color:var(--accent);margin-bottom:2px;font-weight:600;display:block}.message__reply{border-left:3px solid var(--accent);background:var(--bg-hover);border-radius:var(--radius-sm);margin-bottom:6px;padding:6px 8px}.message__reply-name{font-size:var(--font-size-xs);color:var(--accent);font-weight:600;display:block}.message__reply-text{font-size:var(--font-size-xs);color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;max-width:240px;display:block;overflow:hidden}.message__text{white-space:pre-wrap;margin:0}.message__meta{justify-content:flex-end;align-items:center;gap:4px;margin-top:2px;display:flex}.message__time{font-size:var(--font-size-xs);color:var(--text-tertiary)}.message__edited{font-size:var(--font-size-xs);color:var(--text-tertiary);font-style:italic}.message__read{color:var(--text-tertiary)}.message__read--read{color:var(--accent)}.message__reactions{flex-wrap:wrap;gap:4px;margin-top:4px;display:flex}.message__reaction{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-full);font-size:var(--font-size-xs);transition:background var(--transition-fast);padding:2px 8px}.message__reaction:hover{background:var(--bg-hover)}.message__reaction--active{background:var(--accent-muted);border-color:var(--accent)}[data-compact=true] .message__bubble{padding:6px 10px}[data-compact=true] .message{margin-bottom:2px}.composer{background:var(--bg-composer);border-top:1px solid var(--border);flex-shrink:0}.composer__preview{border-bottom:1px solid var(--border-light);background:var(--bg-secondary);align-items:center;gap:8px;padding:8px 16px;display:flex}.composer__preview-content{border-left:3px solid var(--accent);flex:1;min-width:0;padding-left:10px}.composer__preview-label{font-size:var(--font-size-xs);color:var(--accent);font-weight:600;display:block}.composer__preview-text{font-size:var(--font-size-sm);color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;display:block;overflow:hidden}.composer__preview-close{border-radius:var(--radius-full);width:32px;height:32px;color:var(--text-tertiary);transition:background var(--transition-fast);justify-content:center;align-items:center;display:flex}.composer__preview-close:hover{background:var(--bg-hover)}.composer__bar{align-items:flex-end;gap:4px;padding:8px 12px;display:flex}.composer__btn{border-radius:var(--radius-full);width:40px;height:40px;color:var(--text-secondary);transition:background var(--transition-fast), color var(--transition-fast);flex-shrink:0;justify-content:center;align-items:center;display:flex}.composer__btn:hover{background:var(--bg-hover);color:var(--text-primary)}.composer__input{background:var(--bg-secondary);border-radius:var(--radius-lg);resize:none;max-height:120px;line-height:1.4;font-size:var(--font-size-base);transition:box-shadow var(--transition-fast);flex:1;padding:10px 14px}.composer__input:focus{box-shadow:0 0 0 2px var(--accent-muted)}.composer__input::placeholder{color:var(--text-tertiary)}.composer__send{border-radius:var(--radius-full);background:var(--accent);width:40px;height:40px;color:var(--text-on-accent);transition:background var(--transition-fast), transform var(--transition-fast);flex-shrink:0;justify-content:center;align-items:center;display:flex}.composer__send:hover{background:var(--accent-hover);transform:scale(1.05)}.composer__send:active{transform:scale(.95)}.context-menu-overlay{z-index:999;position:fixed;inset:0}.context-menu{z-index:1000;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-md);min-width:200px;box-shadow:var(--shadow-lg);padding:6px;position:fixed;overflow:hidden}.context-menu__reactions{gap:2px;padding:4px;display:flex}.context-menu__reaction-btn{border-radius:var(--radius-sm);width:32px;height:32px;transition:background var(--transition-fast), transform var(--transition-fast);justify-content:center;align-items:center;font-size:16px;display:flex}.context-menu__reaction-btn:hover{background:var(--bg-hover);transform:scale(1.15)}.context-menu__reaction-btn--more{color:var(--text-tertiary)}.context-menu__divider{background:var(--border);height:1px;margin:4px 0}.context-menu__item{border-radius:var(--radius-sm);width:100%;font-size:var(--font-size-sm);text-align:left;transition:background var(--transition-fast);align-items:center;gap:10px;padding:9px 12px;display:flex}.context-menu__item:hover{background:var(--bg-hover)}.context-menu__item--danger{color:var(--danger)}.context-menu__item--danger:hover{background:#e85d751a}.chat-panel{background:var(--bg-secondary);flex-direction:column;flex:1;min-width:0;height:100%;display:flex}.chat-panel--empty{justify-content:center;align-items:center}.chat-panel__placeholder{text-align:center;color:var(--text-tertiary);padding:32px}.chat-panel__placeholder-icon{opacity:.3;margin-bottom:16px}.chat-panel__placeholder h2{font-size:var(--font-size-xl);color:var(--text-secondary);margin-bottom:8px}.chat-panel__placeholder p{font-size:var(--font-size-sm)}.chat-panel__messages{overscroll-behavior:contain;flex-direction:column;flex:1;gap:2px;padding:16px;display:flex;overflow-y:auto}.chat-panel__messages--gradient{background:linear-gradient(135deg, var(--bg-secondary) 0%, var(--accent-muted) 100%)}.chat-panel__messages--pattern{background-color:var(--bg-secondary);background-image:radial-gradient(var(--border) 1px, transparent 1px);background-size:20px 20px}.chat-panel__date-separator{justify-content:center;margin:16px 0 8px;display:flex}.chat-panel__date-separator span{background:var(--bg-primary);border-radius:var(--radius-full);font-size:var(--font-size-xs);color:var(--text-secondary);box-shadow:var(--shadow-sm);padding:4px 12px}.chat-panel__message-group{flex-direction:column;gap:2px;display:flex}@media (width<=768px){.chat-panel{width:100%}}.settings{background:var(--bg-primary);flex-direction:column;height:100%;display:flex;overflow-y:auto}.settings__header{border-bottom:1px solid var(--border);background:var(--bg-primary);z-index:1;flex-shrink:0;align-items:center;gap:12px;padding:16px 20px;display:flex;position:sticky;top:0}.settings__header h2{font-size:var(--font-size-xl);font-weight:700}.settings__back{border-radius:var(--radius-full);width:36px;height:36px;color:var(--text-secondary);transition:background var(--transition-fast);justify-content:center;align-items:center;display:flex}.settings__back:hover{background:var(--bg-hover)}.settings__content{flex:1;padding-bottom:32px}.settings__section{border-bottom:1px solid var(--border-light);padding:20px}.settings__section h3{font-size:var(--font-size-sm);color:var(--accent);text-transform:uppercase;letter-spacing:.06em;margin-bottom:16px;font-weight:600}.settings-toggle{cursor:pointer;justify-content:space-between;align-items:center;gap:16px;padding:10px 0;display:flex}.settings-toggle__label{font-size:var(--font-size-base);display:block}.settings-toggle__desc{font-size:var(--font-size-xs);color:var(--text-tertiary);margin-top:2px;display:block}.settings-toggle__switch{border-radius:var(--radius-full);background:var(--bg-tertiary);width:44px;height:26px;transition:background var(--transition-fast);flex-shrink:0;position:relative}.settings-toggle__switch--on{background:var(--accent)}.settings-toggle__knob{border-radius:var(--radius-full);width:20px;height:20px;box-shadow:var(--shadow-sm);transition:transform var(--transition-fast);background:#fff;position:absolute;top:3px;left:3px}.settings-toggle__switch--on .settings-toggle__knob{transform:translate(18px)}.settings-select{margin-bottom:16px}.settings-select__label{font-size:var(--font-size-sm);margin-bottom:8px;font-weight:500;display:block}.settings-select__options{flex-wrap:wrap;gap:6px;display:flex}.settings-select__option{border-radius:var(--radius-md);font-size:var(--font-size-sm);background:var(--bg-secondary);color:var(--text-secondary);transition:background var(--transition-fast), color var(--transition-fast);padding:7px 14px}.settings-select__option:hover{background:var(--bg-hover)}.settings-select__option--active{background:var(--accent-muted);color:var(--accent);font-weight:600}.settings-color{margin-bottom:16px}.settings-color__label{font-size:var(--font-size-sm);margin-bottom:8px;font-weight:500;display:block}.settings-color__swatches{flex-wrap:wrap;gap:8px;display:flex}.settings-color__swatch{border-radius:var(--radius-full);width:32px;height:32px;transition:transform var(--transition-fast), border-color var(--transition-fast);border:2px solid #0000}.settings-color__swatch:hover{transform:scale(1.1)}.settings-color__swatch--active{border-color:var(--text-primary);box-shadow:0 0 0 2px var(--bg-primary)}.settings-accounts__item{align-items:center;gap:12px;padding:10px 0;display:flex}.settings-accounts__avatar{border-radius:var(--radius-full);color:#fff;justify-content:center;align-items:center;width:40px;height:40px;font-weight:600;display:flex}.settings-accounts__name{font-weight:600;font-size:var(--font-size-sm);display:block}.settings-accounts__username{font-size:var(--font-size-xs);color:var(--text-tertiary);display:block}.settings-accounts__add{background:var(--accent-muted);color:var(--accent);border-radius:var(--radius-md);font-size:var(--font-size-sm);width:100%;transition:background var(--transition-fast);margin-top:8px;padding:10px 16px;font-weight:500}.settings-accounts__add:hover{background:var(--accent);color:#fff}@media (width>=769px){.settings{border-left:1px solid var(--border);flex:1;max-width:480px}}@media (width>=1025px){.settings{width:100%;max-width:none}}.profile{background:var(--bg-primary);flex-direction:column;height:100%;display:flex;overflow-y:auto}.profile__header{border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:16px 20px;display:flex}.profile__header h2{font-size:var(--font-size-lg);font-weight:700}.profile__back{border-radius:var(--radius-full);width:36px;height:36px;color:var(--text-secondary);transition:background var(--transition-fast);justify-content:center;align-items:center;display:flex}.profile__back:hover{background:var(--bg-hover)}.profile__hero{border-bottom:1px solid var(--border-light);flex-direction:column;align-items:center;padding:32px 20px;display:flex}.profile__name{font-size:var(--font-size-xl);margin-top:16px;font-weight:700}.profile__username,.profile__type{font-size:var(--font-size-sm);color:var(--text-secondary);margin-top:4px}.profile__details{padding:8px 0}.profile__row{color:var(--text-secondary);align-items:flex-start;gap:16px;padding:14px 20px;display:flex}.profile__row-label{font-size:var(--font-size-xs);color:var(--text-tertiary);margin-bottom:2px;display:block}.profile__row-value{font-size:var(--font-size-sm);color:var(--text-primary);display:block}@media (width>=769px){.profile{border-left:1px solid var(--border);max-width:400px}}.account-overlay{background:var(--bg-overlay);z-index:200;animation:fadeIn var(--transition-normal) both;position:fixed;inset:0}.account-switcher{z-index:201;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-lg);width:min(400px,100vw - 32px);box-shadow:var(--shadow-lg);position:fixed;top:50%;left:50%;overflow:hidden;transform:translate(-50%,-50%)}.account-switcher__header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.account-switcher__header h3{font-size:var(--font-size-lg);font-weight:700}.account-switcher__header button{border-radius:var(--radius-full);width:32px;height:32px;color:var(--text-secondary);transition:background var(--transition-fast);justify-content:center;align-items:center;display:flex}.account-switcher__header button:hover{background:var(--bg-hover)}.account-switcher__list{padding:8px}.account-switcher__item{align-items:center;gap:4px;display:flex}.account-switcher__select{border-radius:var(--radius-md);text-align:left;transition:background var(--transition-fast);flex:1;align-items:center;gap:12px;padding:10px 12px;display:flex}.account-switcher__select:hover{background:var(--bg-hover)}.account-switcher__select--active{background:var(--accent-muted)}.account-switcher__radio{color:var(--accent);text-align:center;flex-shrink:0;width:16px;font-size:12px}.account-switcher__info{min-width:0}.account-switcher__name{font-weight:600;font-size:var(--font-size-sm);display:block}.account-switcher__username{font-size:var(--font-size-xs);color:var(--text-tertiary);display:block}.account-switcher__remove{border-radius:var(--radius-full);width:32px;height:32px;color:var(--text-tertiary);transition:background var(--transition-fast), color var(--transition-fast);justify-content:center;align-items:center;display:flex}.account-switcher__remove:hover{color:var(--danger);background:#e85d751a}.account-switcher__add{border:1px dashed var(--border);border-radius:var(--radius-md);width:calc(100% - 16px);color:var(--accent);font-weight:500;font-size:var(--font-size-sm);transition:background var(--transition-fast), border-color var(--transition-fast);justify-content:center;align-items:center;gap:8px;margin:8px;padding:12px;display:flex}.account-switcher__add:hover{background:var(--accent-muted);border-color:var(--accent)}.account-switcher__hint{font-size:var(--font-size-xs);color:var(--text-tertiary);text-align:center;padding:8px 20px 16px}.app-layout{height:100%;display:flex;overflow:hidden}.app-layout__main{flex:1;min-width:0;height:100%;display:flex;overflow:hidden}.app-layout__panel{height:100%;overflow:hidden}.app-layout__panel--list{animation:slideInLeft var(--transition-normal) both}.app-layout__panel--chat{min-width:0;animation:slideInRight var(--transition-normal) both;flex:1}.app-layout__panel--settings,.app-layout__panel--profile{animation:fadeIn var(--transition-normal) both;flex:1}.app-layout__panel--full{flex:1;width:100%}@media (width<=768px){.app-layout__main{position:relative}.app-layout__panel--list,.app-layout__panel--chat,.app-layout__panel--settings,.app-layout__panel--profile{width:100%;position:absolute;inset:0}.app-layout__panel--hidden-mobile{display:none}}@media (width>=769px) and (width<=1024px){.app-layout__panel--settings,.app-layout__panel--profile{z-index:20;width:400px;box-shadow:var(--shadow-lg);position:absolute;top:0;bottom:0;right:0}}@media (width>=1025px){.app-layout__panel--settings{flex:1}}:root,[data-theme=light]{--bg-primary:#fff;--bg-secondary:#f4f4f5;--bg-tertiary:#ebebed;--bg-hover:#0000000a;--bg-active:#0000000f;--bg-message-in:#fff;--bg-message-out:#eef4fd;--bg-sidebar:#f8f8f9;--bg-composer:#fff;--bg-overlay:#0006;--text-primary:#1a1a1e;--text-secondary:#6b6b76;--text-tertiary:#9b9ba4;--text-on-accent:#fff;--text-link:var(--accent);--border:#00000014;--border-light:#0000000a;--shadow-sm:0 1px 3px #0000000f;--shadow-md:0 4px 16px #0000001a;--shadow-lg:0 8px 32px #00000024;--accent:#5b8def;--accent-hover:#4a7de0;--accent-muted:#5b8def1f;--accent-rgb:91, 141, 239;--success:#45b06c;--danger:#e85d75;--warning:#f5a623;--sidebar-width:72px;--chat-list-width:340px;--header-height:56px;--composer-min-height:56px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-full:9999px;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-xs:.6875rem;--font-size-sm:.8125rem;--font-size-base:.9375rem;--font-size-lg:1.0625rem;--font-size-xl:1.25rem;--transition-fast:.12s ease;--transition-normal:.2s ease;--transition-slow:.3s ease;--msg-size-multiplier:1}[data-theme=dark]{--bg-primary:#1a1a1f;--bg-secondary:#222228;--bg-tertiary:#2a2a32;--bg-hover:#ffffff0d;--bg-active:#ffffff14;--bg-message-in:#2a2a32;--bg-message-out:#1e3a5f;--bg-sidebar:#16161a;--bg-composer:#1a1a1f;--bg-overlay:#0009;--text-primary:#ececf0;--text-secondary:#9898a4;--text-tertiary:#686874;--text-on-accent:#fff;--border:#ffffff14;--border-light:#ffffff0a;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 16px #0006;--shadow-lg:0 8px 32px #00000080}[data-message-size=small]{--msg-size-multiplier:.9}[data-message-size=medium]{--msg-size-multiplier:1}[data-message-size=large]{--msg-size-multiplier:1.1}[data-compact=true]{--chat-list-width:300px;--header-height:48px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(16px)}to{opacity:1;transform:translate(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-16px)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes messageIn{0%{opacity:0;transform:translateY(4px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.animate-fade-in{animation:fadeIn var(--transition-normal) both}.animate-slide-up{animation:slideUp var(--transition-normal) both}.animate-scale-in{animation:scaleIn var(--transition-normal) both}.animate-message-in{animation:.18s both messageIn}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden}body{font-family:var(--font-family);font-size:var(--font-size-base);color:var(--text-primary);background:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}input,textarea{font-family:inherit;font-size:inherit;color:inherit;background:0 0;border:none;outline:none}a{color:var(--text-link);text-decoration:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}