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var(--ease)}.topnav__logout:hover{background:#a3333314;color:var(--error)}.login{height:100%;display:grid;place-items:center;background:var(--bg-subtle)}.login__card{background:var(--bg-panel);border:none;border-radius:16px;box-shadow:0 4px 24px #1432501a,0 1px 4px #1432500f;padding:44px 40px;width:400px;max-width:calc(100vw - 32px);display:flex;flex-direction:column;gap:var(--sp-5);animation:login-appear .3s var(--ease)}@keyframes login-appear{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}.login__title{margin:0 0 var(--sp-1);font-size:26px;font-weight:var(--fw-bold);color:var(--accent);text-align:center;letter-spacing:-.02em}.login__subtitle{margin:0 0 var(--sp-5);color:var(--text-muted);font-size:14px;text-align:center;line-height:1.5}.login__field{display:flex;flex-direction:column;gap:6px;font-size:13px}.login__field label{font-weight:var(--fw-semibold);color:var(--text);font-size:13px}.login__field 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span{font-family:var(--font-ui);font-size:11px;font-weight:var(--fw-semibold);letter-spacing:.5px}.book-shelf{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:calc(100vh - 56px);padding:64px var(--sp-8) var(--sp-8);perspective:1200px}.book-shelf__heading{font-family:var(--font-ui);font-size:28px;font-weight:var(--fw-bold);color:var(--accent);margin-bottom:48px;letter-spacing:.02em}.book-shelf__row{display:flex;gap:64px;flex-wrap:wrap;justify-content:center}.book-3d{--book-w: 220px;--book-h: 310px;--spine-w: 28px;--pages-w: 24px;position:relative;width:var(--book-w);height:var(--book-h);transform-style:preserve-3d;transform:rotateY(-18deg);transition:transform .45s cubic-bezier(.25,.46,.45,.94);cursor:pointer;background:none;border:none;padding:0;outline:none;font-family:var(--font-ui)}.book-3d:hover{transform:rotateY(-28deg) translateZ(10px)}.book-3d:active{transform:rotateY(-12deg) scale(.97)}.book-3d__spine{position:absolute;top:0;inset-inline-start:0;width:var(--spine-w);height:100%;transform-origin:left center;transform:rotateY(90deg) translateZ(0);background:linear-gradient(180deg,#193357,#152a47 40%,#102037);border-radius:3px 0 0 3px;border-top:3px solid hsl(43 72% 52%);border-bottom:3px solid hsl(43 72% 52%);box-shadow:inset -2px 0 6px #0006}.book-3d__pages{position:absolute;top:4px;bottom:4px;inset-inline-end:0;width:var(--pages-w);transform:translate(calc(var(--pages-w) / 2));background:repeating-linear-gradient(to bottom,#faf8f4,#f0ece4,#faf8f4 2px);border-radius:0 2px 2px 0;box-shadow:inset 0 1px #00000014,inset 0 -1px #00000014,2px 0 4px #0000001f}.book-3d__cover{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(145deg,#1c385f,#152a47,#102037);border-radius:0 4px 4px 0;box-shadow:0 8px 32px #0a193259,0 2px 8px #0a193233,inset 0 1px 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