:root{--bg:#f7f3eb;--panel:#fffdf8;--ink:#203047;--muted:#6d7888;--blue:#2d68b2;--blue2:#eaf2fc;--line:#d8e1ec;--green:#2f7d62;--gold:#f1bd48;--size:1}
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@media(max-width:800px){.meta-grid,.card-grid,.notes-grid,.pattern-grid,.mistake{grid-template-columns:1fr}.two-col{grid-template-columns:1fr}.choices{grid-template-columns:1fr}.slide{padding:22px}.hero{padding:25px}.lesson-controls{width:calc(100% - 24px);justify-content:center}.progress{min-width:90px}.book-card{grid-template-columns:1fr}}