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.message-metrics{border-top:1px solid var(--border);background:var(--bg-tertiary);padding:8px 14px}.compare-col .walking-chicken{padding:8px 0}@media (width<=768px){.sidebar{z-index:100;height:100dvh;position:fixed;top:0;left:0;box-shadow:4px 0 24px #00000026}.sidebar.collapsed{width:0;box-shadow:none}.chat-header{gap:6px;padding:8px 10px}.chat-header-left{gap:6px}.chat-header h1{white-space:nowrap;font-size:13px}.chat-header-logo{width:24px;height:24px}.chat-header-logo svg{width:20px;height:20px}.chat-header-controls{gap:6px;width:100%}.model-select{flex:1;min-width:0;padding:4px 6px;font-size:11px}.mode-toggle{padding:4px 6px;font-size:11px}.mode-toggle svg{display:none}.sign-out-btn{white-space:nowrap;padding:4px 8px;font-size:11px}.messages-container{padding:12px}.message{gap:8px;margin-bottom:16px}.message-bubble{max-width:90%;padding:10px 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