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12px;-webkit-overflow-scrolling:touch;overscroll-behavior-y:contain}.message-row{padding:14px 0}.message-content{font-size:15px;line-height:1.7}.markdown-content{font-size:15px}.model-icon{width:24px;height:24px;font-size:10px}.chat-input-container{padding:6px 10px calc(10px + env(safe-area-inset-bottom,0px))}.chat-input-wrapper{border-radius:20px;padding:6px 8px 6px 14px;gap:6px}.chat-input-hint{display:none}.send-button,.stop-button,.thinking-toggle-btn,.image-upload-btn{width:36px;height:36px}.sidebar-toggle{padding:10px;min-width:44px;min-height:44px}.sidebar-nav-btn,.conversation-item{padding:12px;min-height:44px}.new-chat-btn{width:40px;height:40px}.message-action-btn{width:32px;height:32px}.model-selector-trigger{padding:8px 12px}.sidebar-toggle:active{background:var(--bg-tertiary);transform:scale(.92)}.send-button:active{transform:scale(.88)}.conversation-item:active,.sidebar-nav-btn:active{background:var(--bg-tertiary)}.model-selector-trigger:active{transform:scale(.96)}.message-action-btn:active{background:var(--bg-tertiary);transform:scale(.88)}.new-chat-btn:active{transform:scale(.9);background:var(--bg-tertiary)}.code-block-content{font-size:12px;padding:10px 12px;-webkit-overflow-scrolling:touch}.settings-page{padding:20px 16px 32px}.image-gallery{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px;padding:4px 12px 24px}.image-page-header{padding:12px 16px}.message-image{max-width:240px;max-height:240px}.chat-page-header{padding:4px 12px}.image-preview-bar,.file-preview-bar{margin:0 auto 6px}.chat-error-banner{margin:0 12px 8px}.login-page{height:100dvh}.login-content{padding:32px 24px}.login-title{font-size:24px}.login-apple-btn{width:100%;max-width:280px;padding:14px 32px}.empty-state{padding:32px 16px}.empty-state-title{font-size:20px}.thinking-block-inner{max-height:200px}.model-dropdown{min-width:220px}.model-dropdown-item{padding:10px 12px;min-height:44px}.sidebar-context-menu{min-width:160px}.sidebar-context-btn{padding:10px 12px;min-height:44px}.sidebar-delete-dialog{margin:0 20px;max-width:calc(100vw - 40px)}.sidebar-delete-btn{padding:10px 20px;min-height:44px}.memory-page{padding:20px 16px}::-webkit-scrollbar{width:0;height:0}.message-edit-btn{padding:8px 16px;min-height:40px}.citation-tag{padding:6px 10px}.image-warning{margin:0 auto 6px}.usage-item-label{min-width:80px;font-size:12px}}