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#e5e7eb;border-radius:16px;color:#111827}.lesson-meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 12px}.lesson-sources{margin:0}@media(max-width:800px){.grid-3{grid-template-columns:1fr}.hero,.card{padding:24px 18px}.topic-ask{padding:18px}.topic-ask-row .primary{width:100%}.player-main{padding:16px 12px 8px}.tabs{border-radius:var(--radius);padding:4px}.tab{padding:8px 12px;font-size:13px}.ask-panel{padding:20px}.ask-row{flex-direction:column}.ask-btn{justify-content:center}}