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var(--radius-sm) var(--radius-sm) 0}.room-item__info{flex:1;min-width:0}.room-item__top{display:flex;justify-content:space-between;align-items:center;margin-bottom:2px}.room-item__name{font-size:.9rem;font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.room-item.unread .room-item__name{font-weight:700}.room-item__time{font-size:.72rem;color:var(--text-muted);flex-shrink:0;margin-left:8px}.room-item__bottom{display:flex;justify-content:space-between;align-items:center}.room-item__preview{font-size:.8rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.room-item__preview strong{color:var(--text-primary);font-weight:600;margin-right:4px}.unread-badge{background:var(--accent);color:var(--text-inverse);font-size:.68rem;font-weight:700;min-width:20px;height:20px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;padding:0 6px;flex-shrink:0;animation:scaleIn .3s var(--transition-spring) forwards}.room-item__lock{color:var(--accent);width:12px;height:12px;flex-shrink:0;margin-left:4px}.chat-area{display:flex;flex-direction:column;height:100vh;background:var(--bg-primary);position:relative}.chat-header{height:var(--header-height);padding:0 24px;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;background:var(--bg-secondary);flex-shrink:0}.chat-header__left{display:flex;align-items:center;gap:12px;min-width:0}.chat-header__name{font-family:Outfit,sans-serif;font-weight:700;font-size:1.05rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-header__lock{color:var(--accent);display:flex;align-items:center}.chat-header__actions{display:flex;gap:8px}.btn-icon{width:38px;height:38px;border-radius:var(--radius-md);border:1px solid var(--border-subtle);background:var(--bg-tertiary);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.btn-icon:hover{background:var(--bg-hover);color:var(--accent);border-color:var(--accent)}.btn-icon svg{width:18px;height:18px}.timeline{flex:1;overflow-y:auto;padding:16px 24px;display:flex;flex-direction:column;gap:2px;position:relative}.timeline__date-sep{display:flex;align-items:center;justify-content:center;padding:12px 0}.timeline__date-label{background:var(--glass-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:4px 14px;border-radius:var(--radius-full);font-size:.75rem;color:var(--text-secondary);font-weight:500;border:1px solid var(--glass-border)}.timeline__system{text-align:center;padding:6px 0;font-size:.78rem;color:var(--text-muted);animation:fadeIn .3s ease}.timeline__scroll-btn{position:absolute;bottom:16px;right:24px;width:40px;height:40px;border-radius:50%;background:var(--accent);color:var(--text-inverse);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);transition:all var(--transition-fast);animation:fadeInUp .3s ease forwards;z-index:10}.timeline__scroll-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.timeline__scroll-btn svg{width:20px;height:20px}.msg-group{display:flex;gap:10px;max-width:75%;animation:messageSend .25s ease forwards}.msg-group--out{align-self:flex-end;flex-direction:row-reverse}.msg-group--in{align-self:flex-start}.msg__avatar{flex-shrink:0;align-self:flex-end}.msg__stack{display:flex;flex-direction:column;gap:2px}.msg__sender{font-size:.78rem;font-weight:600;color:var(--accent);margin-bottom:2px;margin-left:2px}.msg-bubble{padding:10px 14px;border-radius:var(--radius-lg);position:relative;min-width:60px;transition:background .15s ease}.msg-bubble--in{background:var(--bubble-incoming);border:1px solid var(--bubble-incoming-border);border-bottom-left-radius:4px}.msg-bubble--out{background:var(--bubble-outgoing);border:1px solid var(--bubble-outgoing-border);border-bottom-right-radius:4px}.msg-bubble:hover{filter:brightness(1.05)}.msg__body{font-size:.92rem;line-height:1.5;color:var(--text-primary);word-break:break-word}.msg__body--emoji-only{font-size:2.2rem;line-height:1.2;background:transparent!important;border:none!important;padding:4px 0!important}.msg__image{max-width:100%;max-height:280px;border-radius:var(--radius-md);cursor:pointer;transition:transform .2s ease;display:block;margin-top:4px}.msg__image:hover{transform:scale(1.02)}.msg__file{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--bg-tertiary);border-radius:var(--radius-md);color:var(--text-primary);text-decoration:none;transition:background .15s ease;margin-top:4px}.msg__file:hover{background:var(--bg-hover);text-decoration:none}.msg__file-icon{width:36px;height:36px;border-radius:var(--radius-sm);background:var(--accent-subtle);color:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0}.msg__file-info{flex:1;min-width:0}.msg__file-name{font-size:.85rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.msg__file-size{font-size:.72rem;color:var(--text-muted)}.msg__meta{display:flex;align-items:center;justify-content:flex-end;gap:4px;margin-top:4px}.msg__time{font-size:.68rem;color:var(--text-muted)}.msg__decrypt-error{color:var(--warning);font-size:.85rem;font-style:italic;display:flex;align-items:center;gap:6px}.msg__hover-actions{position:absolute;top:-14px;right:8px;display:none;background:var(--bg-secondary);border:1px solid var(--border-medium);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:2px;gap:2px;z-index:5}.msg-bubble:hover .msg__hover-actions{display:flex}.msg__hover-btn{width:28px;height:28px;border:none;background:transparent;color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:.9rem;transition:all var(--transition-fast)}.msg__hover-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.msg__reactions{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}.msg__reaction{display:flex;align-items:center;gap:4px;padding:2px 8px;border-radius:var(--radius-full);background:var(--bg-tertiary);border:1px solid var(--border-subtle);font-size:.78rem;cursor:pointer;transition:all var(--transition-fast)}.msg__reaction:hover,.msg__reaction--mine{border-color:var(--accent);background:var(--accent-subtle)}.msg__reaction-count{font-size:.72rem;color:var(--text-secondary)}.msg__reply-preview{padding:6px 10px;margin-bottom:6px;border-left:3px solid var(--accent);background:var(--bg-tertiary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:.78rem;color:var(--text-secondary)}.msg__reply-sender{color:var(--accent);font-weight:600}.composer{padding:12px 24px 16px;background:var(--bg-secondary);border-top:1px solid var(--border-subtle);flex-shrink:0}.composer__reply-banner{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;margin-bottom:8px;background:var(--bg-tertiary);border-radius:var(--radius-md);border-left:3px solid var(--accent);animation:fadeInDown .2s ease}.composer__reply-text{font-size:.8rem;color:var(--text-secondary);flex:1;min-width:0}.composer__reply-text strong{color:var(--accent);margin-right:6px}.composer__reply-close{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}.composer__reply-close:hover{color:var(--text-primary)}.composer__uploads{display:flex;gap:8px;padding:8px 0;overflow-x:auto;animation:fadeInUp .2s ease}.composer__upload-thumb{position:relative;width:64px;height:64px;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border-medium);flex-shrink:0}.composer__upload-thumb img{width:100%;height:100%;object-fit:cover}.composer__upload-remove{position:absolute;top:2px;right:2px;width:20px;height:20px;border-radius:50%;background:#000000b3;color:#fff;border:none;cursor:pointer;font-size:.7rem;display:flex;align-items:center;justify-content:center}.composer__form{display:flex;align-items:flex-end;gap:8px;background:var(--bg-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:6px 8px;transition:border-color var(--transition-fast)}.composer__form:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-subtle)}.composer__input{flex:1;background:transparent;border:none;outline:none;color:var(--text-primary);font-family:inherit;font-size:.9rem;min-height:24px;max-height:120px;resize:none;padding:6px 4px;line-height:1.4}.composer__input::placeholder{color:var(--text-muted)}.composer__btn{width:36px;height:36px;border:none;background:transparent;color:var(--text-muted);cursor:pointer;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);flex-shrink:0}.composer__btn:hover{color:var(--accent);background:var(--accent-subtle)}.composer__btn--send{background:var(--accent);color:var(--text-inverse);border-radius:var(--radius-full)}.composer__btn--send:hover{background:var(--accent-hover);color:var(--text-inverse);transform:scale(1.05)}.composer__btn--send:disabled{opacity:.4;cursor:not-allowed;transform:none}.composer__btn svg{width:20px;height:20px}.composer__progress{height:3px;background:var(--border-subtle);border-radius:var(--radius-full);overflow:hidden;margin-top:8px}.composer__progress-bar{height:100%;background:var(--accent);border-radius:var(--radius-full);transition:width .3s ease}.emoji-picker{position:absolute;bottom:calc(100% + 8px);left:0;width:340px;height:380px;background:var(--bg-secondary);border:1px solid var(--border-medium);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden;z-index:50;animation:fadeInUp .2s ease forwards}.emoji-picker__search{padding:10px 12px;border-bottom:1px solid var(--border-subtle)}.emoji-picker__search input{width:100%;padding:8px 12px;background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-primary);font-size:.85rem;outline:none}.emoji-picker__search input:focus{border-color:var(--accent)}.emoji-picker__tabs{display:flex;border-bottom:1px solid var(--border-subtle);padding:0 4px;overflow-x:auto}.emoji-picker__tab{padding:8px 10px;font-size:1.1rem;cursor:pointer;border:none;background:transparent;border-bottom:2px solid transparent;transition:all var(--transition-fast);flex-shrink:0}.emoji-picker__tab.active{border-bottom-color:var(--accent)}.emoji-picker__tab:hover{background:var(--bg-hover)}.emoji-picker__grid{flex:1;overflow-y:auto;padding:8px;display:grid;grid-template-columns:repeat(8,1fr);gap:2px;align-content:start}.emoji-picker__category-label{grid-column:1 / -1;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);padding:8px 4px 4px}.emoji-picker__item{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:1.5rem;cursor:pointer;border:none;background:transparent;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.emoji-picker__item:hover{background:var(--bg-hover);transform:scale(1.15)}.sticker-picker{position:absolute;bottom:calc(100% + 8px);left:0;width:340px;height:380px;background:var(--bg-secondary);border:1px solid var(--border-medium);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden;z-index:50;animation:fadeInUp .2s ease forwards}.sticker-picker__grid{flex:1;overflow-y:auto;padding:12px;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;align-content:start}.sticker-picker__item{aspect-ratio:1;cursor:pointer;border:none;background:var(--bg-tertiary);border-radius:var(--radius-md);overflow:hidden;transition:all var(--transition-fast);font-size:2.5rem;display:flex;align-items:center;justify-content:center}.sticker-picker__item:hover{transform:scale(1.08);box-shadow:var(--shadow-sm)}.call-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#000000e6;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);display:flex;flex-direction:column;z-index:100;animation:fadeIn .3s ease}.call-grid{flex:1;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px;padding:20px;overflow-y:auto}.video-tile{background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);position:relative;overflow:hidden;aspect-ratio:16/9}.video-tile video{width:100%;height:100%;object-fit:cover}.video-tile__label{position:absolute;bottom:10px;left:10px;background:#0009;padding:4px 10px;border-radius:var(--radius-sm);font-size:.78rem;color:#fff;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.call-controls{height:80px;display:flex;align-items:center;justify-content:center;gap:16px;background:var(--bg-secondary);border-top:1px solid var(--border-subtle)}.call-control-btn{width:48px;height:48px;border-radius:50%;border:none;background:var(--bg-tertiary);color:var(--text-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.call-control-btn:hover{background:var(--bg-hover)}.call-control-btn.active{background:var(--accent);color:var(--text-inverse)}.call-control-btn.hangup{background:var(--danger);color:#fff}.call-control-btn.hangup:hover{background:var(--danger-hover)}.call-control-btn svg{width:22px;height:22px}.call-status{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-secondary);gap:16px}.call-status__icon{font-size:3rem}.call-status h2{font-family:Outfit,sans-serif}.verify-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:200;animation:fadeIn .2s ease}.verify-card{width:440px;max-width:90vw;background:var(--bg-secondary);border:1px solid var(--border-medium);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);padding:32px;text-align:center;animation:fadeInScale .3s ease forwards}.verify-card h2{font-family:Outfit,sans-serif;font-size:1.3rem;margin-bottom:8px}.verify-card p{color:var(--text-secondary);font-size:.9rem;margin-bottom:24px}.verify-emoji-grid{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:28px}.verify-emoji{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;background:var(--bg-tertiary);border-radius:var(--radius-md);min-width:72px;animation:fadeInUp .3s ease forwards}.verify-emoji__icon{font-size:2rem}.verify-emoji__label{font-size:.68rem;color:var(--text-muted);text-transform:capitalize}.verify-actions{display:flex;gap:12px;justify-content:center}.verify-btn{padding:10px 24px;border-radius:var(--radius-md);border:none;font-weight:600;font-size:.9rem;cursor:pointer;transition:all var(--transition-fast)}.verify-btn--confirm{background:var(--accent);color:var(--text-inverse)}.verify-btn--confirm:hover{background:var(--accent-hover)}.verify-btn--cancel{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-medium)}.verify-btn--cancel:hover{background:var(--bg-hover)}.verify-success{font-size:3rem;margin-bottom:16px;animation:scaleIn .4s var(--transition-spring) forwards}.settings{height:100vh;overflow-y:auto;padding:32px;animation:fadeIn .3s ease}.settings h1{font-family:Outfit,sans-serif;font-size:1.6rem;margin-bottom:24px}.settings__section{margin-bottom:32px}.settings__section-title{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:12px}.settings__card{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:20px}.theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.theme-card{padding:16px;border-radius:var(--radius-md);border:2px solid var(--border-subtle);background:var(--bg-tertiary);cursor:pointer;transition:all var(--transition-fast);text-align:center}.theme-card:hover{border-color:var(--text-muted)}.theme-card.active{border-color:var(--accent);box-shadow:var(--shadow-glow)}.theme-card__preview{display:flex;gap:6px;justify-content:center;margin-bottom:8px}.theme-card__dot{width:20px;height:20px;border-radius:50%;border:1px solid rgba(255,255,255,.1)}.theme-card__name{font-size:.8rem;font-weight:600;color:var(--text-primary)}.theme-card__emoji{font-size:1.2rem;margin-bottom:4px}.wallpaper-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.wallpaper-thumb{aspect-ratio:3/4;border-radius:var(--radius-md);border:2px solid var(--border-subtle);cursor:pointer;transition:all var(--transition-fast);overflow:hidden}.wallpaper-thumb:hover{border-color:var(--text-muted)}.wallpaper-thumb.active{border-color:var(--accent);box-shadow:var(--shadow-glow)}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--text-secondary);padding:40px}.empty-state__icon{width:80px;height:80px;border-radius:var(--radius-xl);background:var(--accent-subtle);display:flex;align-items:center;justify-content:center;color:var(--accent);margin-bottom:8px}.empty-state__icon svg{width:36px;height:36px}.empty-state h2{font-family:Outfit,sans-serif;font-size:1.3rem;color:var(--text-primary)}.empty-state p{color:var(--text-muted);font-size:.9rem;max-width:320px;text-align:center}.typing-indicator{display:flex;align-items:center;gap:6px;padding:4px 12px;font-size:.78rem;color:var(--text-muted);min-height:24px}.typing-dots{display:flex;gap:3px}.typing-dots span{width:5px;height:5px;border-radius:50%;background:var(--text-muted);animation:typingDot 1.4s ease-in-out infinite}.typing-dots span:nth-child(1){animation-delay:0s}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000e6;display:flex;align-items:center;justify-content:center;z-index:300;cursor:zoom-out;animation:fadeIn .2s ease}.lightbox img{max-width:90vw;max-height:90vh;object-fit:contain;border-radius:var(--radius-md);animation:fadeInScale .3s ease forwards}.lightbox__close{position:absolute;top:20px;right:20px;width:40px;height:40px;border-radius:50%;background:#ffffff1a;color:#fff;border:none;cursor:pointer;font-size:1.2rem;display:flex;align-items:center;justify-content:center}@media(max-width:768px){.app-shell{grid-template-columns:1fr}.nav-rail{display:none}.sidebar{position:absolute;left:0;top:0;width:300px;height:100vh;z-index:50;transform:translate(-100%);transition:transform .3s ease;box-shadow:var(--shadow-lg)}.sidebar.open{transform:translate(0)}.chat-header__menu-btn{display:flex!important}.emoji-picker,.sticker-picker{width:100%;left:0;border-radius:var(--radius-lg) var(--radius-lg) 0 0}}@media(min-width:769px){.chat-header__menu-btn{display:none!important}}.toast-container{position:fixed;top:20px;right:20px;z-index:1000;display:flex;flex-direction:column;gap:8px}.toast{padding:12px 20px;background:var(--bg-secondary);border:1px solid var(--border-medium);border-radius:var(--radius-md);box-shadow:var(--shadow-md);color:var(--text-primary);font-size:.85rem;animation:slideInRight .3s ease forwards;max-width:360px}.toast--error{border-left:3px solid var(--danger)}.toast--success{border-left:3px solid var(--success)}.toast--info{border-left:3px solid var(--accent)}