:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#20302f;background:#f4efe5;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:#f4efe5}button,input{font:inherit}button{border:0}.app-shell{min-height:100vh;min-height:100dvh;background:#f4efe5}.auth-screen,.profile-screen{min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:24px;background:linear-gradient(180deg,#f7f0e4,#e8f0ee)}.auth-panel{width:min(100%,380px);display:grid;gap:18px;justify-items:center}.brand-mark{width:76px;height:76px;border-radius:18px;display:grid;place-items:center;color:#fff7ec;background:#1f7a7a;box-shadow:0 18px 42px #1f7a7a3d}h1,h2,p{margin:0}h1{font-size:32px;line-height:1.1;letter-spacing:0}.auth-panel form{width:100%;display:grid;gap:12px}.auth-panel input{width:100%;height:54px;border:1px solid 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input[type=range]{width:min(190px,52vw);accent-color:#1f7a7a}@media(min-width:760px){.library-view{padding-inline:32px}.book-list{grid-template-columns:repeat(2,minmax(0,1fr))}.bottom-sheet{left:50%;right:auto;width:min(620px,calc(100% - 32px));transform:translate(-50%);border-radius:8px 8px 0 0}}