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span,.typing-copy,.message-time,.message-status{color:var(--text-secondary);font-size:12px}.chat-messages{flex:1;min-height:0;padding:8px 16px 12px;overflow:auto;background:var(--bg-primary);scroll-behavior:smooth}.date-separator-wrap{display:flex;justify-content:center;margin:14px 0}.date-separator{padding:6px 12px;border-radius:999px;background:var(--bg-secondary);color:var(--text-secondary);font-size:12px}.message-row{display:flex;margin-bottom:10px;animation:message-in .2s ease}.message-row.system{justify-content:center;margin:16px 0}.message-row-highlight .message-bubble{box-shadow:0 0 0 1px #2aabee80,0 0 0 8px #2aabee14}.message-row.own{justify-content:flex-end}.message-bubble{max-width:min(78%,440px);padding:10px 12px 8px;border-radius:18px}.message-bubble.interactive{cursor:pointer}.message-bubble.other{background:var(--bg-secondary);border-bottom-left-radius:6px}.message-bubble.own{background:#2b5278;border-bottom-right-radius:6px}.system-message-chip{max-width:min(92%,420px);padding:8px 14px;border-radius:999px;display:inline-flex;align-items:center;gap:10px;background:#ffffff14;color:var(--text-secondary);font-size:12px;text-align:center}.system-message-chip small{color:var(--text-secondary);opacity:.8}.message-author{margin-bottom:6px;color:var(--accent);font-size:12px}.message-text{font-size:14px;line-height:1.5;white-space:pre-wrap}.message-reply-preview{width:100%;margin:0 0 8px;padding:8px 10px;border-radius:12px;display:flex;flex-direction:column;gap:4px;background:#ffffff14;text-align:left}.message-reply-preview strong{font-size:12px;color:var(--accent)}.message-reply-preview span,.chat-pinned-copy span,.composer-context-copy span{color:var(--text-secondary);font-size:12px;line-height:1.4}.message-reactions{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.message-reaction-chip{min-height:26px;padding:0 8px;border-radius:999px;display:inline-flex;align-items:center;gap:5px;background:#ffffff14;color:var(--text-primary);font-size:12px}.message-reaction-chip.active{background:#2aabee29;color:var(--accent)}.message-meta{display:flex;justify-content:flex-end;align-items:center;gap:4px;margin-top:6px}.message-status.read{color:var(--accent)}.message-action-button{min-width:28px;height:28px;padding:0 8px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;gap:6px;background:#ffffff0f;color:var(--text-secondary)}.message-action-button .active{color:var(--accent)}.message-action-button.danger{color:#ff8a80}.message-action-button.emoji{min-width:52px;height:40px;border-radius:16px;background:#ffffff14;font-size:20px}.message-action-grid{display:flex;gap:8px;margin-bottom:8px}.message-image-button{width:100%;padding:0;border:0;background:transparent;display:block}.message-image,.message-video{width:100%;border-radius:14px;margin-bottom:8px}.media-viewer-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:80;background:#04060cf0;display:flex;align-items:center;justify-content:center;padding:20px}.media-viewer-shell{width:min(100%,960px);max-height:100%;display:flex;flex-direction:column;gap:12px}.media-viewer-actions{display:flex;justify-content:flex-end;gap:10px}.media-viewer-image{width:100%;max-height:calc(100vh - 120px);object-fit:contain;border-radius:18px}.file-card{display:inline-flex;min-height:44px;align-items:center;margin-bottom:8px;padding:0 12px;border-radius:12px;background:#ffffff14}.typing-bubble{padding:10px 12px;border-radius:18px;display:inline-flex;align-items:center;gap:6px;background:var(--bg-secondary)}.typing-dot{width:6px;height:6px;border-radius:50%;background:var(--text-secondary);animation:typing 1.2s infinite ease-in-out}.typing-dot:nth-child(2){animation-delay:.12s}.typing-dot:nth-child(3){animation-delay:.24s}.chat-pinned-bar{display:flex;align-items:center;gap:10px;padding:10px 16px;border-bottom:1px solid var(--divider);background:#2c2c2eeb;flex-shrink:0}.chat-pinned-copy,.composer-context-copy{min-width:0;flex:1;display:flex;flex-direction:column;gap:2px}.chat-pinned-copy strong,.composer-context-copy strong{font-size:13px;font-weight:600}.composer-context{display:flex;align-items:center;gap:10px;padding:10px 16px;border-top:1px solid var(--divider);background:#2c2c2ee0;flex-shrink:0}.search-message-item{text-align:left}.forward-preview{margin-bottom:12px;padding:12px 14px;border-radius:14px;background:#2aabee14;color:var(--text-primary);text-align:left}.chat-composer{padding:10px 16px calc(10px + var(--safe-bottom));display:flex;align-items:flex-end;gap:10px;border-top:1px solid var(--divider);background:var(--bg-primary);flex-shrink:0}.chat-composer-input{min-height:44px;max-height:140px;padding:11px 16px;border-radius:20px;resize:none;background:var(--bg-secondary);color:var(--text-primary)}.chat-send-button{width:44px;height:44px;flex:0 0 44px;border-radius:22px;display:grid;place-items:center;background:var(--bg-secondary);color:var(--text-secondary)}.chat-send-button.active{background:var(--accent);color:#fff}.sheet-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;display:flex;align-items:flex-end;background:#00000073;overscroll-behavior:contain;overflow:hidden;height:100vh;height:100dvh;touch-action:none}.sheet{width:100%;min-height:min(68vh,540px);min-height:min(68dvh,540px);max-height:100vh;max-height:100dvh;padding:10px 16px calc(20px + var(--safe-bottom));border-radius:24px 24px 0 0;display:flex;flex-direction:column;background:#202022;animation:sheet-in .25s ease;overflow:hidden;touch-action:pan-y}.sheet-handle{width:42px;height:4px;margin:0 auto 12px;border-radius:999px;background:#fff3}.sheet-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}.sheet-header h3{margin:0;font-size:18px}.sheet-body{flex:1;min-height:0;overflow-y:auto;padding-bottom:8px;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;touch-action:pan-y}.sheet-list{display:flex;flex-direction:column}.sheet-panel{padding:0 0 12px}.sheet-label{display:block;margin:0 0 8px;color:var(--text-secondary);font-size:13px}.sheet-inline-input{width:100%;min-height:48px;padding:0 14px;border:1px solid transparent;border-radius:14px;background:var(--bg-secondary);color:var(--text-primary)}.sheet-inline-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #2aabee26}.sheet-helper{padding:18px 8px;color:var(--text-secondary);font-size:14px;text-align:center}.sheet-helper.error{padding-top:0;color:#ff8a80}.chip-row{display:flex;flex-wrap:wrap;gap:8px;padding:0 0 12px}.chip{min-height:32px;padding:0 12px;border-radius:16px;background:#2aabee29;color:var(--accent)}.sheet-list-item{width:100%;min-height:62px;padding:0 4px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--divider)}.sheet-list-item.selected{background:#2aabee14}.sheet-list-item:last-child{border-bottom:0}.sheet-submit{width:100%;margin-top:16px}.ui-avatar{position:relative;flex:0 0 auto}.ui-avatar-image,.ui-avatar-fallback{width:100%;height:100%;border-radius:50%}.ui-avatar-image{object-fit:cover}.ui-avatar-fallback{display:grid;place-items:center;color:#fff;font-weight:700}.ui-avatar-status{position:absolute;right:0;bottom:0;width:12px;height:12px;border:2px solid #fff;border-radius:50%;background:var(--online)}.empty-chat-logo{width:80px;opacity:.85}@keyframes spin{to{transform:rotate(360deg)}}@keyframes typing{0%,80%,to{transform:scale(.7);opacity:.6}40%{transform:scale(1);opacity:1}}@keyframes screen-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes rise-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes message-in{0%{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes chat-slide-in{0%{opacity:0;transform:translate(18px)}to{opacity:1;transform:translate(0)}}@keyframes sheet-in{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes auth-fade-in{0%{opacity:0}to{opacity:1}}@keyframes auth-screen-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes auth-shake{20%,60%{transform:translate(-6px)}40%,80%{transform:translate(6px)}to{transform:translate(0)}}@media(min-width:900px){.mobile-app{max-width:520px;margin:0 auto;border-left:1px solid var(--divider);border-right:1px solid var(--divider)}.mobile-app.is-chat-detail{height:100dvh}.bottom-tabs,.floating-button,.sheet-backdrop{max-width:520px;left:50%;transform:translate(-50%)}}