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ease,border-color .14s ease,color .14s ease,transform .12s ease}.art-book__pin-cover-btn:hover:not(:disabled){background:color-mix(in srgb,var(--accent-warm,#d4a574) 32%,transparent);border-color:var(--accent-warm,#d4a574);transform:translateY(-1px)}.art-book__pin-cover-btn:active:not(:disabled){transform:translateY(0)}.art-book__pin-cover-btn:disabled{opacity:.55;cursor:progress}.art-book__copy-link-btn{display:inline-flex;align-items:center;gap:4px;font-size:.72rem;padding:3px 10px;border-radius:999px;background:color-mix(in srgb,var(--accent-warm,#d4a574) 14%,transparent);color:var(--accent-warm,#d4a574);border:1px solid color-mix(in srgb,var(--accent-warm,#d4a574) 32%,transparent);cursor:pointer;letter-spacing:.02em;text-transform:uppercase;font-weight:600;transition:background .14s ease,border-color .14s ease,color .14s ease,transform .12s ease}.art-book__copy-link-btn:hover{background:color-mix(in srgb,var(--accent-warm,#d4a574) 22%,transparent);border-color:color-mix(in 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45%,transparent);color:var(--accent-warm,#d4a574);transform:translateY(-1px)}.art-book__download-btn:active{transform:translateY(0)}.art-book__download-btn:disabled{opacity:.45;cursor:not-allowed}.art-book__lightbox-nav{display:flex;gap:1rem}.art-book__lightbox-nav button{padding:.4rem 1rem;border:1px solid var(--border-default,color-mix(in srgb,var(--text-primary) 15%,transparent));border-radius:.5rem;background:var(--bg-card,color-mix(in srgb,var(--text-primary) 5%,transparent));color:var(--text-primary,inherit);cursor:pointer;font-size:.85rem}.art-book__lightbox-nav button:hover{background:var(--bg-hover,color-mix(in srgb,var(--text-primary) 10%,transparent))}.art-book__view-toggle{display:flex;gap:0;margin-bottom:1.25rem;border:1px solid var(--border-default);border-radius:8px;overflow:hidden;width:fit-content}.art-book__view-btn{padding:6px 18px;border:none;background:rgba(0,0,0,0);color:var(--text-muted);font-size:.82rem;font-weight:600;cursor:pointer;font-family:var(--font-body);transition:background .12s,color .12s}.art-book__view-btn:hover{background:var(--bg-hover)}.art-book__view-btn--active{background:rgba(212,165,116,.1);color:var(--accent-warm);box-shadow:inset 0 -2px 0 var(--accent-warm)}.art-book__book{display:flex;flex-direction:column;align-items:center;gap:24px;padding:2rem 0}.session-modal__body .art-book__book{padding:0;gap:14px}.art-book__book-main{max-width:820px;width:100%;cursor:pointer;position:relative;padding:20px;background:linear-gradient(145deg,#1a1714,#0f0d0a);border-radius:4px;border:1px solid rgba(212,165,116,.12);box-shadow:0 16px 60px rgba(0,0,0,.5),0 4px 16px rgba(0,0,0,.3),inset 0 1px 0 hsla(0,0%,100%,.04),inset 0 -1px 0 rgba(0,0,0,.3)}.session-modal__body .art-book__book-main{padding:8px;border-radius:6px}.art-book__book-main:before{content:"";position:absolute;top:-1px;left:10%;right:10%;height:1px;background:linear-gradient(90deg,transparent,rgba(212,165,116,.25),transparent)}.art-book__book-image{width:100%;height:auto;max-height:560px;object-fit:contain;border-radius:2px;display:block;transition:transform .3s ease}@media(max-width:768px){.art-book__book-image{max-height:320px}}.art-book__book-meta{text-align:center;max-width:640px;padding:0 1rem}.art-book__book-title{margin:0 0 8px;color:var(--text-primary);font-size:1.25rem;font-family:var(--font-body);font-weight:600;letter-spacing:.01em}.art-book__book-desc{margin:0 0 10px;color:var(--text-secondary);font-size:.88rem;line-height:1.65;font-family:var(--font-body);font-style:italic}.art-book__book-tags{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}.art-book__book-tag{font-size:.72rem;color:var(--accent-warm);padding:3px 12px;border-radius:4px;background:rgba(212,165,116,.06);border:1px solid rgba(212,165,116,.12);text-transform:uppercase;letter-spacing:.06em;font-weight:500}.art-book__book-nav{display:flex;align-items:center;gap:20px}.art-book__book-nav-btn{padding:8px 22px;background:color-mix(in srgb,currentcolor 8%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid color-mix(in srgb,currentcolor 16%,transparent);border-radius:8px;color:var(--text-primary);font-size:.82rem;cursor:pointer;font-family:var(--font-body);transition:background .2s,border-color .2s,transform .15s}.art-book__book-nav-btn:hover:not(:disabled){background:color-mix(in srgb,var(--accent-warm,#d4a574) 12%,transparent);border-color:color-mix(in srgb,var(--accent-warm,#d4a574) 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rgba(212,165,116,.3)}.art-book__book-hint{margin:8px 0 0;font-size:.7rem;color:color-mix(in srgb,var(--text-muted,currentColor) 70%,transparent);text-align:center;letter-spacing:.04em}.art-book__book-hint kbd{display:inline-block;padding:1px 6px;border-radius:4px;border:1px solid color-mix(in srgb,currentColor 22%,transparent);background:color-mix(in srgb,currentColor 8%,transparent);font-family:var(--font-mono,monospace);font-size:.68rem;line-height:1.2;margin:0 2px}.art-book__session-label{font-size:.75em;color:var(--accent-warm);font-weight:400;font-style:italic}