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#9ca3af;--text-muted: #9ca3af;--scrollbar-thumb: rgba(15, 23, 42, .13);--scrollbar-thumb-hover: rgba(15, 23, 42, .24);--header-fade: color-mix(in srgb, var(--bg-primary) 44%, transparent);--header-fade-room: color-mix(in srgb, var(--bg-secondary) 58%, transparent);--hover-bg: #f3f4f6;--hover-bg-light: #f9fafb;--shadow-sm: 0 2px 8px rgba(15, 23, 42, .05);--shadow-md: 0 8px 24px rgba(15, 23, 42, .08);--shadow-lg: 0 20px 44px rgba(15, 23, 42, .14);--message-theirs-bg: #ffffff;--message-theirs-text: #111827;--input-bg: #f3f4f6;--input-bg-focus: #f9fafb;--reply-box-bg: #f9fafb;--reply-box-border: #f3f4f6;--reply-box-text: #374151;--reply-box-text-secondary: #6b7280;--message-reply-bg: rgba(255, 255, 255, .16);--message-reply-border: rgba(255, 255, 255, .72);--message-reply-text: rgba(255, 255, 255, .92);--message-reply-text-secondary: rgba(255, 255, 255, .96);--message-reply-bg-theirs: #f3f4f6;--message-reply-border-theirs: var(--accent-primary);--message-reply-text-theirs: rgba(55, 65, 81, .75);--message-reply-text-secondary-theirs: rgba(55, 65, 81, .88);--accent-primary: #2563eb;--accent-hover: #1d4ed8;--accent-soft: #dbeafe;--accent-soft-text: #1e40af;--message-mine-text: #ffffff;--message-link-color-mine: var(--message-mine-text);--message-link-color-theirs: color-mix(in srgb, var(--accent-primary) 10%, var(--message-theirs-text));--status-online-color: var(--accent-soft-text);--glass-blur: blur(14px) saturate(160%);--glass-surface: color-mix(in srgb, var(--bg-primary) 68%, transparent);--glass-surface-elevated: color-mix(in srgb, var(--bg-primary) 78%, transparent);--glass-surface-soft: color-mix(in srgb, var(--bg-secondary) 66%, transparent);--glass-border: color-mix(in srgb, var(--border-secondary) 52%, rgba(255, 255, 255, .78));--glass-specular: inset 0 1px 0 rgba(255, 255, 255, .72), inset 0 -1px 0 rgba(255, 255, 255, .18);--glass-shadow: 0 4px 12px -2px rgba(15, 23, 42, .05), 0 1px 3px rgba(15, 23, 42, .03);--motion-fast: .18s;--motion-base: .26s;--motion-slow: .36s;--motion-ease-standard: cubic-bezier(.22, 1, .36, 1);--motion-ease-soft: cubic-bezier(.2, .8, .2, 1)}.dark-mode{--bg-primary: #1b1d21;--bg-secondary: #22252b;--bg-tertiary: #2a2e35;--border-primary: #313741;--border-secondary: #3b4350;--text-primary: #f9fafb;--text-secondary: #d1d5db;--text-tertiary: #9ca3af;--text-muted: #9ca3af;--scrollbar-thumb: rgba(255, 255, 255, .14);--scrollbar-thumb-hover: rgba(255, 255, 255, .26);--header-fade: color-mix(in srgb, var(--bg-primary) 54%, transparent);--header-fade-room: color-mix(in srgb, var(--bg-secondary) 64%, transparent);--hover-bg: #323846;--hover-bg-light: #2a303b;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .28);--shadow-md: 0 8px 24px rgba(0, 0, 0, .38);--shadow-lg: 0 22px 48px rgba(0, 0, 0, .58);--message-theirs-bg: #2d323c;--message-theirs-text: #f9fafb;--input-bg: #2d323c;--input-bg-focus: #3a414d;--reply-box-bg: #2d323c;--reply-box-border: #3a414d;--reply-box-text: #f9fafb;--reply-box-text-secondary: #d1d5db;--message-reply-bg: rgba(255, 255, 255, .12);--message-reply-border: rgba(255, 255, 255, .45);--message-reply-text: rgba(255, 255, 255, .86);--message-reply-text-secondary: rgba(255, 255, 255, .94);--message-reply-bg-theirs: rgba(255, 255, 255, .06);--message-reply-border-theirs: var(--accent-primary);--message-reply-text-theirs: rgba(249, 250, 251, .72);--message-reply-text-secondary-theirs: rgba(249, 250, 251, .88);--accent-primary: #60a5fa;--accent-hover: #3b82f6;--accent-soft: rgba(96, 165, 250, .18);--accent-soft-text: #bfdbfe;--message-mine-text: #ffffff;--message-link-color-mine: var(--message-mine-text);--message-link-color-theirs: color-mix(in srgb, var(--accent-primary) 11%, var(--message-theirs-text));--status-online-color: var(--accent-soft-text);--glass-surface: color-mix(in srgb, var(--bg-secondary) 64%, transparent);--glass-surface-elevated: color-mix(in srgb, var(--bg-secondary) 76%, transparent);--glass-surface-soft: color-mix(in srgb, var(--bg-tertiary) 62%, transparent);--glass-border: color-mix(in srgb, var(--border-secondary) 58%, rgba(255, 255, 255, .18));--glass-specular: inset 0 1px 0 rgba(255, 255, 255, .14), inset 0 -1px 0 rgba(255, 255, 255, .04);--glass-shadow: 0 4px 14px -2px rgba(0, 0, 0, .22), 0 1px 3px rgba(0, 0, 0, .16)}.app{display:flex;height:var(--app-height, 100dvh);width:100%;background:var(--bg-primary);overflow:hidden}.app__sidebar{position:relative;height:100%;width:100%;flex-shrink:0;border-right:1px solid var(--border-primary)}.app__sidebar--hidden-mobile{display:none}.app__main{height:100%;flex:1;min-width:0}.app__main--full{flex:1 1 100%;max-width:100%}.app__main--hidden-mobile,.app__resizer{display:none}@media(min-width:1024px){.app__sidebar{width:380px}.app__sidebar--hidden-mobile{display:block}.app__sidebar--hidden-desktop{display:none}.app__main--hidden-mobile{display:block}.app__resizer{display:block;width:4px;cursor:col-resize;flex-shrink:0;background:transparent;position:relative}.app__resizer:before{content:"";position:absolute;inset:0 1px;background:var(--border-primary);opacity:0;transition:opacity .15s ease}.app__resizer:hover:before{opacity:1}}@media(min-width:1120px){.app__main{flex:0 0 740px;max-width:740px}.app__main--full{flex:1 1 100%;max-width:100%}.app__sidebar{width:calc(100% - 740px);min-width:380px}}@media(min-width:1024px){.app--resizable-desktop .app__sidebar{width:var(--desktop-sidebar-width, 380px);min-width:320px}.app--resizable-desktop .app__main{flex:1 1 auto;max-width:none;min-width:520px}}@keyframes skeleton-pulse{0%,to{opacity:1}50%{opacity:.5}}.skeleton{background:linear-gradient(90deg,var(--bg-tertiary) 0%,var(--border-secondary) 50%,var(--bg-tertiary) 100%);background-size:200% 100%;animation:skeleton-shimmer 1.5s ease-in-out infinite;border-radius:8px}@keyframes skeleton-shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton-chat-item{display:flex;align-items:center;gap:12px;padding:12px}.skeleton-avatar{width:48px;height:48px;border-radius:50%;flex-shrink:0}.skeleton-chat-content{flex:1;min-width:0}.skeleton-chat-name{height:16px;width:45%;margin-bottom:8px}.skeleton-chat-message{height:14px;width:70%}.skeleton-message-row{display:flex;margin-top:12px}.skeleton-message-row--mine{justify-content:flex-end}.skeleton-message-row--theirs{justify-content:flex-start}.skeleton-message-bubble{max-width:70%;height:48px;border-radius:16px}.skeleton-message-bubble--mine{background:linear-gradient(90deg,var(--accent-soft) 0%,var(--accent-soft-text) 50%,var(--accent-soft) 100%);background-size:200% 100%;animation:skeleton-shimmer 1.5s ease-in-out infinite}.skeleton-message-bubble--theirs{background:linear-gradient(90deg,var(--bg-tertiary) 0%,var(--border-secondary) 50%,var(--bg-tertiary) 100%);background-size:200% 100%;animation:skeleton-shimmer 1.5s ease-in-out infinite}.avatar{position:relative;flex-shrink:0}.avatar__circle{display:flex;align-items:center;justify-content:center;border-radius:50%;font-weight:600;font-family:Nunito,Vazir,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:#fff;box-shadow:var(--shadow-sm)}.avatar__image{width:100%;height:100%;object-fit:cover;border-radius:50%;display:block;box-shadow:var(--shadow-sm)}.avatar__circle--saved{background:var(--accent-primary)}.avatar--xs .avatar__circle{width:24px;height:24px;font-size:10px}.avatar--xs .avatar__image{width:24px;height:24px}.avatar--sm .avatar__circle{width:40px;height:40px;font-size:14px}.avatar--md .avatar__circle{width:48px;height:48px;font-size:16px}.avatar--lg .avatar__circle{width:64px;height:64px;font-size:20px}.avatar--xl .avatar__circle{width:96px;height:96px;font-size:30px}.avatar--sm .avatar__image{width:40px;height:40px}.avatar--md .avatar__image{width:48px;height:48px}.avatar--lg .avatar__image{width:64px;height:64px}.avatar--xl .avatar__image{width:96px;height:96px}.avatar__status{position:absolute;bottom:0;right:0;border-radius:50%;border-style:solid;border-color:var(--bg-primary)}.avatar--sm .avatar__status{width:10px;height:10px;border-width:1.5px}.avatar--md .avatar__status{width:12px;height:12px;border-width:2px}.avatar--lg .avatar__status{width:16px;height:16px;border-width:2px}.avatar--xl .avatar__status{width:20px;height:20px;border-width:3px}.avatar__status--online{background-color:var(--accent-primary)}.avatar__status--offline{background-color:#9ca3af}.avatar-color-0{background:linear-gradient(135deg,#8b5cf6,#9333ea)}.avatar-color-1{background:linear-gradient(135deg,#2563eb,#0891b2)}.avatar-color-2{background:linear-gradient(135deg,#10b981,#0d9488)}.avatar-color-3{background:linear-gradient(135deg,#f97316,#dc2626)}.avatar-color-4{background:linear-gradient(135deg,#ec4899,#e11d48)}.avatar-color-5{background:linear-gradient(135deg,#6366f1,#3b82f6)}.avatar-color-6{background:linear-gradient(135deg,#f59e0b,#ca8a04)}.avatar-color-7{background:linear-gradient(135deg,#14b8a6,#16a34a)}.icon-btn{display:flex;align-items:center;justify-content:center;width:42px;height:42px;flex-shrink:0;background:none;border:none;border-radius:9999px;padding:0;color:var(--text-secondary);cursor:pointer;transition:transform var(--motion-fast) var(--motion-ease-standard),background var(--motion-fast) var(--motion-ease-standard),color var(--motion-fast) var(--motion-ease-standard),box-shadow var(--motion-fast) var(--motion-ease-standard)}.icon-btn--xs{width:30px;height:30px;border-radius:9999px}.icon-btn:hover{background:color-mix(in srgb,var(--hover-bg) 82%,transparent);color:var(--text-primary)}.icon-btn:active{transform:scale(.94);transition-duration:.06s}.popover{position:absolute;top:50px;right:0;min-width:170px;background:var(--glass-surface-elevated);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:22px;box-shadow:var(--shadow-lg),var(--glass-specular);overflow:hidden;z-index:60}.popover--mini{min-width:188px;padding:6px;transform-origin:top right;animation:popover-in var(--motion-base) var(--motion-ease-standard)}@keyframes popover-in{0%{transform:translateY(4px) scale(.96);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}@keyframes screen-soft-in{0%{opacity:0}to{opacity:1}}@keyframes overlay-soft-in{0%{opacity:0}to{opacity:1}}.popover__item{width:100%;display:flex;align-items:center;gap:10px;padding:10px 14px;font-size:14px;font-weight:500;background:none;border:none;border-radius:16px;cursor:pointer;color:var(--text-primary);font-family:inherit;transition:background var(--motion-fast) var(--motion-ease-standard),transform var(--motion-fast) var(--motion-ease-standard)}.popover__item:hover{background:color-mix(in srgb,var(--hover-bg) 85%,transparent)}.popover__item:active{transform:scale(.98);transition-duration:.06s}.popover__item--danger{color:#dc2626}.popover__item--danger:hover{background:#ef44441a}.dark-mode .popover__item--danger:hover{background:#ef44442e}.chat-list{display:flex;flex-direction:column;height:100%;background-color:var(--bg-primary);animation:screen-soft-in var(--motion-slow) var(--motion-ease-standard);position:relative;overflow:hidden}.chat-list__header{position:absolute;top:0;left:0;right:0;width:100%;z-index:25;display:flex;flex-direction:column;gap:8px;margin:0;padding:10px 14px;border-radius:0;background:var(--glass-surface);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:none;box-shadow:none}.chat-list__header-row{display:flex;align-items:center;justify-content:space-between;width:100%}.chat-list__header-left{display:flex;align-items:center;gap:8px;transition:opacity .2s cubic-bezier(.16,1,.3,1),transform .2s cubic-bezier(.16,1,.3,1),max-width .25s cubic-bezier(.16,1,.3,1);white-space:nowrap;overflow:hidden}.chat-list__header-left--hidden{opacity:0;max-width:0;pointer-events:none;transform:scale(.92)}.chat-list__brand-logo{display:inline-block;width:24px;height:24px;flex-shrink:0;background-color:currentColor;color:#000;-webkit-mask:url(/logo/logo.svg) center / contain no-repeat;mask:url(/logo/logo.svg) center / contain no-repeat}.dark-mode .chat-list__brand-logo{color:#fff}.chat-list__title{font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--text-primary)}.chat-list__title-wrap{display:inline-flex;align-items:center;gap:8px;background:transparent;border:none;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none;padding:0;height:auto}.chat-list__reconnect-btn{border:1px solid var(--glass-border);background:var(--glass-surface-soft);color:var(--text-primary);border-radius:9999px;padding:4px 10px;font-size:12px;cursor:pointer}.chat-list__inline-search{display:flex;align-items:center;gap:8px;flex:1;height:38px;max-width:0;opacity:0;overflow:hidden;transition:max-width .25s cubic-bezier(.16,1,.3,1),opacity .2s ease,padding .2s ease;background:var(--glass-surface-soft);border:1px solid transparent;border-radius:9999px;pointer-events:none;padding:0;margin:0 4px}.chat-list__inline-search--open{max-width:100%;opacity:1;pointer-events:auto;padding:0 8px 0 12px;border-color:var(--glass-border)}.chat-list__search-icon{display:inline-flex;align-items:center;justify-content:center;color:var(--text-secondary);flex-shrink:0}.chat-list__search-input{flex:1;border:none;background:transparent;outline:none;color:var(--text-primary);font-size:13.5px;font-family:Nunito,Vazir,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;min-width:0;padding:0;direction:rtl;text-align:right}.chat-list__search-input::placeholder{color:var(--text-secondary);direction:rtl;text-align:right}.chat-list__search-clear{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;transition:color .15s ease,background .15s ease;flex-shrink:0}.chat-list__search-clear:hover{color:var(--text-primary);background:var(--hover-bg)}.chat-list__header-actions{display:flex;align-items:center;gap:2px;margin-inline-end:-2px}.chat-list__header-actions .icon-btn{width:36px;height:36px;border-radius:9999px;background:transparent;border:1px solid transparent;color:var(--text-secondary);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background var(--motion-fast) var(--motion-ease-standard),color var(--motion-fast) var(--motion-ease-standard);flex-shrink:0}.chat-list__header-actions .icon-btn:hover{background:var(--hover-bg);color:var(--text-primary)}.chat-list__menu{position:relative;flex-shrink:0}.chat-list__menu-backdrop{position:fixed;inset:0;z-index:119;background:transparent}.chat-list__items{flex:1;height:100%;overflow-y:auto;padding:68px 0 86px}.chat-list__items--searching{padding-top:112px}.chat-list__empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:64px 0;color:var(--text-tertiary)}.chat-list__empty p{margin-top:12px;font-size:14px}.chat-list__item{display:flex;width:100%;margin:0;border-radius:0;align-items:center;gap:12px;padding:10px 14px;text-align:left;background:transparent;border:none;cursor:pointer;transition:background var(--motion-base) var(--motion-ease-soft);font-family:inherit;user-select:none;-webkit-user-select:none;-webkit-appearance:none;appearance:none;-webkit-tap-highlight-color:transparent}.chat-list__item:hover,.chat-list__item:active{background:var(--hover-bg)}.chat-list__item--active,.chat-list__item--active:active,.chat-list__item--menu-open{background:var(--accent-soft)!important}.chat-list--menu-open .chat-list__item,.chat-list--menu-open .chat-list__item:hover,.chat-list--menu-open .chat-list__item:active,.chat-list--menu-open .chat-list__item:focus,.chat-list--menu-open .chat-list__item:focus-visible{background-color:transparent!important;transition:none}.chat-list--menu-open .chat-list__item--active,.chat-list--menu-open .chat-list__item--active:hover,.chat-list--menu-open .chat-list__item--active:active,.chat-list--menu-open .chat-list__item--menu-open,.chat-list--menu-open .chat-list__item--menu-open:hover,.chat-list--menu-open .chat-list__item--menu-open:active{background-color:var(--accent-soft)!important}.chat-list--press-suppressed .chat-list__item{pointer-events:none}.chat-list__item--menu-open .chat-list__item-name{color:var(--accent-hover)}.dark-mode .chat-list__item--menu-open .chat-list__item-name{color:var(--accent-soft-text)}.dark-mode .chat-list__item--active{background:var(--accent-soft)!important}.chat-list__fab{position:absolute;bottom:84px;right:18px;width:52px;height:52px;border-radius:9999px;background:var(--accent-primary);color:#fff;border:none;box-shadow:none;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;z-index:28;isolation:isolate;-webkit-appearance:none;appearance:none;background-clip:padding-box;transition:transform var(--motion-fast) var(--motion-ease-standard),background var(--motion-fast) var(--motion-ease-standard),filter var(--motion-fast) var(--motion-ease-standard)}.chat-list__fab:hover{transform:scale(1.05)}.chat-list__fab:active{transform:scale(.9);background:var(--accent-hover);filter:none;opacity:1}.bottom-navbar-scrim{position:absolute;bottom:0;left:0;right:0;width:100%;height:78px;background:linear-gradient(to top,color-mix(in srgb,var(--bg-primary) 65%,transparent) 0%,color-mix(in srgb,var(--bg-primary) 30%,transparent) 50%,transparent 100%);pointer-events:none;z-index:28}.bottom-navbar{position:absolute;bottom:12px;left:50%;transform:translate(-50%);width:calc(100% - 32px);max-width:330px;height:58px;display:flex;align-items:center;justify-content:space-between;gap:6px;padding:6px;border-radius:9999px;background:var(--glass-surface-elevated);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);box-shadow:var(--shadow-md),var(--glass-shadow);z-index:29;box-sizing:border-box;direction:ltr}.bottom-navbar__tab{flex:1;display:flex;align-items:center;justify-content:center;position:relative;height:100%;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;transition:color var(--motion-fast) var(--motion-ease-standard),transform var(--motion-fast) var(--motion-ease-standard);padding:0;border-radius:9999px}.bottom-navbar__tab:hover{color:var(--text-primary)}.bottom-navbar__tab:active{transform:scale(.95)}.bottom-navbar__tab--active{color:var(--accent-primary)!important}.bottom-navbar__pill{position:absolute;inset:0;border-radius:9999px;background:color-mix(in srgb,var(--accent-primary) 18%,transparent);pointer-events:none;z-index:0}.bottom-navbar__icon{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;position:relative;z-index:1}.bottom-navbar__icon svg{width:24px;height:24px;display:block}.bottom-navbar__badge{position:absolute;top:-2px;right:-2px;width:8px;height:8px;border-radius:9999px;background:var(--accent-primary);border:1.5px solid var(--bg-primary)}.ai-chat-room .chat-room__back-btn{display:flex!important}@media(min-width:1024px){.app__main .bottom-navbar,.app__main .bottom-navbar-scrim{display:none!important}}.chat-list__item--drag-hover{background:color-mix(in srgb,var(--accent-primary) 22%,transparent)!important}.dark-mode .chat-list__item--drag-hover{background:color-mix(in srgb,var(--accent-primary) 30%,transparent)!important}.chat-list__item--ai .chat-list__item-name,.chat-list__item--ai .chat-list__item-text{color:var(--text-primary)}.chat-list__item-content{min-width:0;flex:1}.chat-list__item-row{display:flex;align-items:center;justify-content:space-between}.chat-list__item-name{font-size:15px;font-weight:600;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-list__item--active .chat-list__item-name{color:var(--accent-hover)}.dark-mode .chat-list__item--active .chat-list__item-name{color:var(--accent-soft-text)}.chat-list__item-time{margin-left:8px;flex-shrink:0;font-size:12px;color:var(--text-secondary);direction:rtl}.chat-list__item-preview{display:flex;align-items:center;justify-content:space-between;margin-top:2px}.chat-list__item-text{font-size:13.5px;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;direction:rtl;text-align:right}.chat-list__item-text-prefix{color:var(--text-tertiary)}.chat-list__unread-badge{margin-left:8px;display:flex;height:20px;min-width:20px;flex-shrink:0;align-items:center;justify-content:center;border-radius:9999px;background:var(--accent-primary);padding:0 6px;font-size:11px;font-weight:700;color:#fff;box-shadow:0 2px 6px color-mix(in srgb,var(--accent-primary) 35%,transparent)}.chat-room{display:flex;flex-direction:column;height:100%;min-height:0;overflow:hidden;overscroll-behavior-y:none;background-color:var(--bg-secondary);animation:screen-soft-in var(--motion-slow) 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