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calc(12px + env(safe-area-inset-bottom));border-radius:24px;z-index:10}.upload-action,.send-button{width:44px;height:44px}.learning-page{padding:18px 14px calc(18px + env(safe-area-inset-bottom))}.chat-topbar h1{font-size:19px}.dashboard-hero{align-items:flex-start;flex-direction:column}.dashboard-grid,.form-grid,.map-grid,.profile-editor{grid-template-columns:1fr}.knowledge-graph-title{align-items:flex-start;flex-direction:column}.knowledge-graph-canvas{min-height:430px}.graph-node-button.MuiButton-root{width:132px;min-height:58px}.profile-avatar{width:86px;height:86px;font-size:28px}.analysis-grid{grid-template-columns:1fr}.dashboard-hero,.tool-surface,.feature-card{border-radius:20px}.dashboard-hero,.tool-surface{padding:18px}.dashboard-hero h2{font-size:23px;line-height:1.25}.progress-banner{align-items:flex-start;flex-wrap:wrap;border-radius:16px}.bubble{grid-template-columns:30px minmax(0,1fr);gap:8px}.bubble.user{grid-template-columns:minmax(0,1fr) 30px}.bubble-avatar{width:30px;height:30px;font-size:11px}.bubble-content{max-width:100%;padding:10px 12px}:root[data-theme=dark] .rail{background:#171c21f5}}