:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#f7f1e5;--card:#fffdf7;--ink:#25211b;--muted:#6f675d;--border:#ded3c4;--primary:#2f5d50;--primary-dark:#23483e;--accent:#a66a3f;--gold:#c7a45d;--success:#557a5a;--warning:#b7791f;--danger:#a14a3f;--info:#4f6f8f;--shadow:0 12px 30px #25211b14;--radius:8px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:var(--paper);min-width:320px;color:var(--ink);margin:0}a{color:inherit}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.7}.center-screen,.auth-page{place-items:center;min-height:100vh;padding:24px;display:grid}.app-layout{grid-template-columns:260px minmax(0,1fr);min-height:100vh;display:grid}.sidebar{border-right:1px solid var(--border);background:#fffdf7bd;height:100vh;padding:22px 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h1{font-size:1.75rem}.page-heading-row{grid-template-columns:1fr;align-items:start}.empty-state,.soft-card{padding:22px}.page-action,.page-action-secondary,.library-tools,.book-form fieldset,.primary-button,.secondary-button,.danger-button{width:100%}.library-tools,.lookup-form,.lookup-card,.form-grid,.progress-overview,.progress-layout,.stats-columns,.friends-columns,.sharing-toggle-grid{grid-template-columns:1fr}.lookup-card{align-items:start}.book-grid,.current-reading-grid{grid-template-columns:1fr}.book-actions,.form-actions,.list-row{align-items:stretch}.book-actions>*,.form-actions>*{flex:100%}.list-row{justify-content:stretch;display:grid}.friend-card{grid-template-columns:1fr;align-items:stretch}.friend-actions{justify-content:stretch}.friend-actions button,.friend-actions a,.friend-card>button{width:100%}.bottom-nav{z-index:10;padding:7px 6px calc(7px + env(safe-area-inset-bottom));border-top:1px solid var(--border);background:#fffdf7f5;grid-template-columns:repeat(6,1fr);gap:2px;display:grid;position:fixed;bottom:0;left:0;right:0}.bottom-nav .nav-link{flex-direction:column;justify-content:center;gap:3px;min-height:56px;padding:6px 2px;font-size:.72rem}.bottom-nav .nav-link svg{width:18px;height:18px}.auth-page{padding:18px}}