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ease;flex-shrink:0}.chat-composer__context-close:hover{background:var(--color-border)}.chat-composer__row{display:flex;align-items:flex-end;gap:.5rem}.chat-composer__attach-btn{display:inline-flex;align-items:center;justify-content:center;width:2.4rem;height:2.4rem;border-radius:999px;cursor:pointer;color:var(--color-text-secondary);transition:background .16s ease,color .16s ease;flex-shrink:0}.chat-composer__attach-btn:hover{background:var(--color-card-muted);color:var(--color-text)}.chat-composer__input{flex:1;min-width:0;border:1px solid var(--color-border);border-radius:1.2rem;padding:.65rem 1rem;background:var(--color-card);color:var(--color-text);outline:none;resize:none;line-height:1.5;max-height:calc(7.5em + 1.3rem);transition:border-color .16s ease,box-shadow .16s ease}.chat-composer__input:focus{border-color:var(--color-accent);box-shadow:0 0 0 4px var(--color-accent-soft)}.chat-composer__send-btn{display:inline-flex;align-items:center;justify-content:center;width:2.4rem;height:2.4rem;border-radius:999px;cursor:pointer;background:linear-gradient(135deg,var(--color-accent),var(--color-accent-strong));color:#fff;flex-shrink:0;transition:transform .16s ease,opacity .16s ease;box-shadow:0 4px 14px var(--color-shadow)}.chat-composer__send-btn:disabled{opacity:.45;cursor:default}.chat-composer__send-btn:not(:disabled):hover{transform:translateY(-1px)}.chat-context-menu{position:fixed;z-index:300;min-width:11rem;border:1px solid var(--color-border);border-radius:1rem;background:var(--color-surface-strong);box-shadow:0 12px 40px var(--color-shadow);padding:.4rem;display:flex;flex-direction:column;gap:.1rem}.chat-context-menu__item{display:flex;align-items:center;gap:.55rem;padding:.6rem .85rem;border-radius:.65rem;cursor:pointer;color:var(--color-text);font-size:.86rem;text-align:left;transition:background .12s ease}.chat-context-menu__item:hover{background:var(--color-card-muted)}.chat-context-menu__item--danger{color:var(--color-danger)}@media(max-width:768px){.mobile-bottom-bar{display:flex;align-items:center;justify-content:space-around}.chat-shell{grid-template-columns:1fr;padding-bottom:4rem}.chat-shell--has-active-chat .chat-sidebar,.chat-shell--has-active-chat .mobile-bottom-bar{display:none}.chat-shell--has-active-chat .chat-main{min-height:100vh}}.connection-banner{position:fixed;top:0;left:0;right:0;z-index:300;padding:.5rem 1rem;background:var(--color-accent);color:#fff;text-align:center;font-size:.8rem;animation:slide-down .2s ease}@keyframes slide-down{0%{transform:translateY(-100%)}to{transform:translateY(0)}}.chat-typing-indicator{padding:.2rem 1rem 0;font-size:.78rem;color:var(--color-text-muted);min-height:1.2rem;font-style:italic}