.main-layout{display:grid;grid-template-columns:var(--sidebar-width) 1fr;height:100%;width:100%;overflow:hidden}.sidebar{display:flex;flex-direction:column;height:100%;background:var(--bg-secondary);border-right:1px solid var(--border-color);overflow:hidden}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;height:var(--header-height);border-bottom:1px solid var(--border-color)}.sidebar-header h1{font-size:18px;font-weight:600;color:var(--text-accent)}.sidebar-search{padding:8px 12px}.sidebar-search input{width:100%;padding:8px 12px;border-radius:var(--radius-md);background:var(--bg-primary);border:1px solid var(--border-subtle);font-size:13px}.sidebar-actions{display:flex;gap:8px}.icon-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);color:var(--text-secondary);transition:background var(--transition-fast),color var(--transition-fast)}.icon-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.conversation-list{flex:1;overflow-y:auto;overflow-x:hidden}.conversation-item{display:flex;align-items:center;gap:12px;padding:12px 16px;cursor:pointer;transition:background var(--transition-fast);border-bottom:1px solid var(--border-subtle)}.conversation-item:hover{background:var(--bg-hover)}.conversation-item.active{background:var(--bg-tertiary)}.conversation-avatar{width:40px;height:40px;border-radius:50%;background:var(--accent-dim);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:16px;color:var(--text-primary);flex-shrink:0}.conversation-info{flex:1;min-width:0}.conversation-top-row{display:flex;justify-content:space-between;align-items:baseline}.conversation-name{font-weight:600;font-size:14px;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conversation-time{font-size:11px;color:var(--text-muted);flex-shrink:0;margin-left:8px}.conversation-bottom-row{display:flex;justify-content:space-between;align-items:center;margin-top:2px}.conversation-preview{font-size:13px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.unread-badge{background:var(--accent);color:#fff;font-size:11px;font-weight:600;min-width:20px;height:20px;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:0 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var(--border-subtle)}.message-row{display:flex;max-width:70%}.message-row.sent{align-self:flex-end}.message-row.received{align-self:flex-start}.message-bubble{padding:8px 12px;border-radius:var(--radius-md);max-width:100%;word-wrap:break-word;white-space:pre-wrap;position:relative}.message-row.sent .message-bubble{background:var(--bubble-sent);border-bottom-right-radius:4px}.message-row.received .message-bubble{background:var(--bubble-received);border-bottom-left-radius:4px}.message-text{font-size:14px;line-height:1.45}.message-meta{display:flex;align-items:center;justify-content:flex-end;gap:4px;margin-top:4px}.message-time{font-size:11px;color:var(--text-muted)}.message-status{font-size:12px;color:var(--text-muted)}.message-status.status-blue{color:#4fc3f7}.message-status.status-error{color:var(--status-error, #f44)}.message-bubble-wrap{position:relative;display:flex;flex-direction:column;max-width:100%}.reaction-picker-bar{display:flex;align-items:center;gap:2px;padding:4px 6px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);position:absolute;top:-36px;z-index:50;box-shadow:0 2px 10px #0000004d;white-space:nowrap}.reaction-picker-bar.sent{right:0}.reaction-picker-bar.received{left:0}.reaction-picker-btn{width:28px;height:28px;display:flex;align-items:center;justify-content:center;font-size:16px;border-radius:var(--radius-sm);transition:background var(--transition-fast),transform .1s ease;cursor:pointer}.reaction-picker-btn:hover{background:var(--bg-hover);transform:scale(1.2)}.reaction-picker-more{font-size:14px;font-weight:600;color:var(--text-secondary)}.reaction-full-picker{position:absolute;bottom:100%;z-index:110}.message-row.sent .reaction-full-picker{right:0}.message-row.received .reaction-full-picker{left:0}.reaction-full-picker .emoji-picker{position:static}.reaction-bar{display:flex;flex-wrap:wrap;gap:4px;margin-top:4px;padding:0 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var(--border-color);border-radius:var(--radius-md);padding:8px;display:grid;grid-template-columns:repeat(8,1fr);gap:2px;width:280px;max-height:240px;overflow-y:auto;z-index:100;box-shadow:0 4px 20px #0006}.emoji-picker button{width:32px;height:32px;display:flex;align-items:center;justify-content:center;font-size:20px;border-radius:var(--radius-sm);transition:background var(--transition-fast)}.emoji-picker button:hover{background:var(--bg-hover)}.modal-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:200}.modal{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;width:400px;max-width:90vw;box-shadow:0 8px 32px #00000080}.modal h2{font-size:18px;margin-bottom:16px;color:var(--text-primary)}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.btn{padding:8px 16px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;transition:background var(--transition-fast)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg-hover);color:var(--text-primary)}.btn-secondary:hover{background:var(--border-color)}.trust-indicator{display:inline-flex;align-items:center;gap:4px;font-size:12px}.trust-shield{font-size:14px}.trust-shield.unverified{color:var(--trust-unverified)}.trust-shield.remote{color:var(--trust-remote)}.trust-shield.proximity{color:var(--trust-proximity)}.auth-view{display:flex;align-items:center;justify-content:center;height:100%;background:var(--bg-primary)}.auth-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:32px;width:400px;max-width:90vw}.auth-card h1{font-size:24px;color:var(--text-accent);margin-bottom:8px}.auth-card p{color:var(--text-secondary);margin-bottom:24px;font-size:14px}.form-group{margin-bottom:16px}.form-group 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var(--border-subtle)}.composer-attachment-thumb{width:48px;height:48px;border-radius:var(--radius-sm);object-fit:cover;flex-shrink:0}.composer-attachment-file-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;font-size:24px;background:var(--bg-hover);border-radius:var(--radius-sm);flex-shrink:0}.composer-attachment-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.composer-attachment-name{font-size:13px;font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.composer-attachment-size{font-size:11px;color:var(--text-muted)}.composer-attachment-remove{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:14px;color:var(--text-secondary);transition:background var(--transition-fast),color var(--transition-fast);flex-shrink:0;cursor:pointer}.composer-attachment-remove:hover{background:var(--bg-hover);color:var(--status-error, 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2px);border-bottom-color:transparent;border-top-color:#000000d9}.tooltip.tooltip-align-right:after{left:0;transform:none}.tooltip.tooltip-align-right:before{left:12px;transform:none}.tooltip.tooltip-align-left:after{left:auto;right:0;transform:none}.tooltip.tooltip-align-left:before{left:auto;right:12px;transform:none}.p2p-dot.tooltip:after{left:50%;transform:translate(-50%)}.p2p-dot.tooltip:before{left:50%;transform:translate(-50%)}.typing-indicator{display:flex;align-items:center;gap:4px;padding:6px 20px;height:28px;flex-shrink:0}.typing-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--text-muted, #888);animation:typing-bounce 1.4s infinite ease-in-out both}.typing-dot:nth-child(1){animation-delay:0s}.typing-dot:nth-child(2){animation-delay:.16s}.typing-dot:nth-child(3){animation-delay:.32s}@keyframes typing-bounce{0%,80%,to{transform:translateY(0);opacity:.4}40%{transform:translateY(-6px);opacity:1}}.user-profile{padding:12px 16px;border-top:1px solid var(--border-color);flex-shrink:0}.user-profile-row{display:flex;align-items:center;gap:10px}.user-profile-avatar{width:36px;height:36px;border-radius:50%;background:var(--accent-dim);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px;color:var(--text-primary);flex-shrink:0}.user-profile-info{flex:1;min-width:0}.user-profile-handle{font-size:13px;font-weight:600;color:var(--text-primary);line-height:1.3}.user-profile-id-section{margin-top:8px}.user-profile-id-label{font-size:10px;font-weight:500;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:4px}.user-profile-id-row{display:flex;align-items:center;gap:6px}.user-profile-id-value{font-family:var(--font-mono);font-size:11px;color:var(--text-secondary);line-height:1.3;word-break:break-all;flex:1;min-width:0;user-select:all}.user-profile-copy-btn{display:flex;align-items:center;justify-content:center;padding:4px 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16px;font-size:13px;font-weight:500;color:#fff;background:var(--accent);border-radius:var(--radius-md);transition:background var(--transition-fast);cursor:pointer}.conversation-list-empty-btn:hover{background:var(--accent-hover)}.form-helper{font-size:12px;color:var(--text-muted);margin-top:4px;line-height:1.4}.form-helper-example{font-family:var(--font-mono);font-size:10px;color:var(--text-muted);margin-top:2px;opacity:.8}.setup-complete{text-align:center}.setup-complete-icon{font-size:48px;margin-bottom:16px}.setup-complete h2{font-size:20px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.setup-complete p{font-size:14px;color:var(--text-secondary);margin-bottom:16px}.setup-complete-id-section{background:var(--bg-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:12px 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var(--transition-fast);flex-shrink:0;cursor:pointer;white-space:nowrap}.setup-complete-copy-btn:hover{background:var(--accent-dim);color:var(--text-primary)}.setup-complete-copy-btn.copied{background:var(--status-online);color:#fff}.setup-complete-hint{font-size:12px;color:var(--text-muted);margin-bottom:20px;line-height:1.4}.sidebar-tabs{display:flex;border-bottom:1px solid var(--border-color);flex-shrink:0}.sidebar-tab{flex:1;padding:10px 0;font-size:13px;font-weight:600;color:var(--text-secondary);text-align:center;background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;transition:color var(--transition-fast),border-color var(--transition-fast)}.sidebar-tab:hover{color:var(--text-primary)}.sidebar-tab.active{color:var(--accent);border-bottom-color:var(--accent)}.contact-list{flex:1;display:flex;flex-direction:column;overflow:hidden}.contact-list-search{padding:8px 12px}.contact-list-search input{width:100%;padding:8px 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var(--transition-fast)}.contact-list-item:hover{background:var(--bg-hover)}.contact-item-avatar{width:40px;height:40px;border-radius:50%;background:var(--accent-dim);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:16px;color:var(--text-primary);flex-shrink:0}.contact-item-info{flex:1;min-width:0}.contact-item-name{font-weight:600;font-size:14px;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.contact-item-mailbox{font-family:var(--font-mono);font-size:11px;color:var(--text-muted);margin-top:2px}.contact-item-trust{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--text-muted);margin-top:2px}.contact-item-trust .trust-shield{font-size:12px}.contact-item-actions{display:flex;gap:4px;flex-shrink:0;opacity:0;transition:opacity var(--transition-fast)}.contact-list-item:hover 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