:root{--bg:#f5f2ec;--panel:#fffefa;--card:#fff;--input:#fff;--text:#596264;--text-strong:#172124;--muted:#7a8587;--border:#ded7cb;--accent:#1f6f78;--active:#e8f3ef;--focus:#1f6f782e;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{background:var(--bg);min-width:320px}body{min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}button{font-family:inherit}a,button{-webkit-tap-highlight-color:transparent}.library-shell{width:min(1180px,100% - 32px);margin:0 auto;padding:24px 0}.hero-panel{border:1px solid var(--border);color:#fff;background:linear-gradient(120deg,#175460e6,#714f2ab8),url(/assets/hero-CLDdwZDr.png) 50%/cover;border-radius:8px;justify-content:space-between;align-items:center;gap:32px;min-height:240px;padding:42px;display:flex}.eyebrow{letter-spacing:.08em;text-transform:uppercase;margin:0 0 10px;font-size:13px;font-weight:700}.hero-panel h1{color:#fff;max-width:680px;margin:0;font-size:clamp(42px,6vw,76px);line-height:.96}.hero-copy{color:#ffffffdb;max-width:590px;margin-top:20px;font-size:18px}.stats{text-align:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff24;border:1px solid #ffffff59;border-radius:8px;min-width:140px;padding:18px}.stats span{font-size:42px;font-weight:800;line-height:1;display:block}.stats small{color:#fffc;margin-top:8px;display:block}.content-grid{grid-template-columns:minmax(280px,360px) minmax(0,1fr);gap:18px;margin-top:18px;display:grid}.book-list-panel,.reader-panel{border:1px solid var(--border);background:var(--panel);border-radius:8px}.book-list-panel{min-height:620px;padding:18px}.toolbar label{color:var(--text-strong);margin-bottom:10px;font-weight:700;display:block}.toolbar input{box-sizing:border-box;border:1px solid var(--border);width:100%;color:var(--text-strong);background:var(--input);font:inherit;border-radius:8px;padding:13px 14px}.toolbar input:focus{border-color:var(--accent);outline:3px solid var(--focus)}.book-list{gap:10px;margin-top:18px;display:grid}.book-card{border:1px solid var(--border);width:100%;min-height:92px;color:var(--text);background:var(--card);text-align:left;border-radius:8px;grid-template-columns:36px minmax(0,1fr);align-items:center;gap:10px;padding:10px;display:grid}.book-card:hover,.book-card.active{border-color:var(--accent);box-shadow:0 12px 30px #19212614}.book-card.active{background:var(--active)}.read-toggle{color:#b7afa1;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;place-items:center;width:36px;height:36px;font-size:23px;line-height:1;display:grid}.read-toggle:hover,.read-toggle:focus-visible,.read-toggle.is-read{color:#d69a18;background:#d69a181f}.read-toggle:focus-visible,.book-select:focus-visible{outline:3px solid var(--focus)}.book-select{min-width:0;color:inherit;text-align:left;cursor:pointer;background:0 0;border:0;grid-template-columns:58px minmax(0,1fr);align-items:center;gap:14px;padding:0;display:grid}.book-cover{color:#fff;background:linear-gradient(145deg,#1f5f66,#d2b06d);border-radius:6px;place-items:center;width:58px;height:68px;font-size:13px;font-weight:800;display:grid}.book-card strong,.book-card small{display:block}.book-card strong{color:var(--text-strong);line-height:1.25}.book-card small{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;margin-top:6px;font-size:13px;overflow:hidden}.reader-panel{min-height:620px;overflow:hidden}.reader-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:20px;padding:20px;display:flex}.reader-header .eyebrow{color:var(--accent)}.reader-header h2{color:var(--text-strong);margin:0;font-size:24px;line-height:1.2}.reader-actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}.reader-actions a{color:#fff;background:var(--accent);border-radius:8px;align-items:center;min-height:42px;padding:0 15px;font-weight:700;text-decoration:none;display:inline-flex}.reader-actions a:last-child{color:var(--text-strong);background:var(--active)}.pdf-viewer{background:#f2f4f3;border:0;width:100%;height:680px;display:block}.empty-state,.empty-reader{color:var(--muted)}.empty-reader{text-align:center;place-content:center;min-height:520px;padding:32px;display:grid}.empty-reader h2{color:var(--text-strong);margin:0 0 10px}@media (width<=840px){.library-shell{width:min(100% - 20px,1180px);padding:10px 0}.hero-panel,.reader-header{flex-direction:column;align-items:stretch}.hero-panel{min-height:300px;padding:28px}.stats{width:110px}.content-grid{grid-template-columns:1fr}.book-list-panel,.reader-panel{min-height:auto}.reader-actions{justify-content:flex-start}.pdf-viewer{height:560px}}