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96px}.landing-logo-big{width:58px;margin-bottom:22px}.landing-greeting{max-width:100%;font-size:clamp(24px,8vw,30px);line-height:1.18;text-align:center}.landing-sub{max-width:280px;font-size:15px;line-height:1.6;text-align:center}.landing-prompts{width:100%;margin-top:26px}.landing-prompts-track span{padding:0 4px;font-size:13px}.landing-input-ghost{width:min(100%,420px);max-width:100%;margin-top:26px}.landing-input-inner{gap:6px;border-radius:13px;padding:4px 5px 4px 13px}.landing-input-inner input{min-width:0;font-size:13px}.send-btn,.upload-btn{width:36px;height:36px;border-radius:9px}.upload-tooltip{display:none}.chat-input-bar{padding:10px 12px calc(12px + env(safe-area-inset-bottom))}.chat-input-wrap{gap:6px;border-radius:13px;padding:4px 5px 4px 13px}.chat-input-wrap input{min-width:0;font-size:13px}.auth-modal{align-items:end;padding:12px}.auth-card{width:100%;max-height:calc(100dvh - 24px);overflow:auto;border-radius:16px}.auth-head{padding:18px 18px 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