/* Paper & play: Sparkles-inspired presentation, isolated from the other themes. */
.sparkles-art { display:none; }
html[data-design="sparkles"] { --bg:#fff; --surface:#fff; --ink:#18181b; --muted:#62626b; --line:#e5e5e5; --accent:#18181b; --accent-hover:#34343a; --soft:#f4f4f5; --linen:#f4f4f5; --sage:#f4f4f5; --sage-ink:#3f3f46; --shadow:none; --serif:Georgia,'Iowan Old Style',serif; font-family:'Avenir Next','Segoe UI',sans-serif; }
[data-design="sparkles"] h1,[data-design="sparkles"] h2 { font-weight:600; letter-spacing:-1.2px; }
[data-design="sparkles"] h1 em { color:inherit; font-weight:600; font-style:normal; }
[data-design="sparkles"] .brand { font-weight:700; }
[data-design="sparkles"] .brandmark { background:#f4f4f5; }
[data-design="sparkles"] .brandmark img { filter:grayscale(1); }
[data-design="sparkles"] .sidebar,[data-design="sparkles"] .topbar { background:#fff; }
[data-design="sparkles"] .all-link,[data-design="sparkles"] .subject-link { color:#52525b; }
[data-design="sparkles"] .active,[data-design="sparkles"] .all-link:hover,[data-design="sparkles"] .subject-link:hover { background:#f4f4f5; color:#18181b; }
[data-design="sparkles"] .subject-link .subject-symbol { background:#fff; color:#18181b; border:1px solid #d4d4d8; border-radius:9px; }
[data-design="sparkles"] .ui-icon { stroke-width:1.8; transition:transform .2s ease; }
[data-design="sparkles"] .subject-link:hover .ui-icon,[data-design="sparkles"] .all-link:hover .ui-icon { transform:rotate(-9deg) scale(1.12); }
[data-design="sparkles"] .nav-caption,[data-design="sparkles"] .eyebrow { color:#52525b; letter-spacing:2.5px; }
[data-design="sparkles"] .breadcrumb,[data-design="sparkles"] .topic-links a,[data-design="sparkles"] .search kbd { color:#62626b; }
[data-design="sparkles"] .topic-links { border-color:#e5e5e5; }
[data-design="sparkles"] .sidebar-note { background:#54b16c; color:#102b18; border-radius:10px; padding:22px 16px; margin-top:60px; font-style:normal; }
[data-design="sparkles"] .tiny-leaf { border:0; padding:0; color:#102b18; }
[data-design="sparkles"] .library-heading { position:relative; min-height:245px; padding:16px 310px 32px 0; align-content:center; gap:18px; }
[data-design="sparkles"] .library-heading h1 { font-size:clamp(38px,4.2vw,60px); line-height:1.06; max-width:550px; }
[data-design="sparkles"] .library-heading > .button { align-self:start; }
[data-design="sparkles"] .sparkles-art { display:block; position:absolute; width:300px; height:220px; right:0; bottom:15px; pointer-events:none; }
[data-design="sparkles"] .sparkle-pencil { transform-origin:218px 170px; animation:pencil-hello 1.6s ease-in-out 2; }
[data-design="sparkles"] .sparkle-book { animation:book-arrive .8s ease-out both; }
[data-design="sparkles"] .sparkle-star { transform-origin:70px 50px; animation:star-hello 2s ease-in-out 2; }
[data-design="sparkles"] .sparkle-twinkle { animation:ink-twinkle 1.5s ease-in-out 3; }
[data-design="sparkles"] button,[data-design="sparkles"] .button,[data-design="sparkles"] input,[data-design="sparkles"] textarea,[data-design="sparkles"] select,[data-design="sparkles"] .topic-chips a { border-radius:10px; }
[data-design="sparkles"] .primary { color:#fff; }
[data-design="sparkles"] button:hover,[data-design="sparkles"] .button:hover { border-color:#71717b; }
[data-design="sparkles"] .panel,[data-design="sparkles"] .resource-card,[data-design="sparkles"] .login-panel,[data-design="sparkles"] dialog { border-radius:10px; box-shadow:none; border-color:#e5e5e5; }
[data-design="sparkles"] .resource-card { transition:transform .2s,border-color .2s; }
[data-design="sparkles"] .resource-card:hover { transform:translateY(-3px); border-color:#18181b; box-shadow:none; }
[data-design="sparkles"] .resource-card::before { display:none; }
[data-design="sparkles"] .resource-card h2 { font-size:1.7rem; }
[data-design="sparkles"] .badge,[data-design="sparkles"] .badge.neutral,[data-design="sparkles"] .count,[data-design="sparkles"] .empty-symbol,[data-design="sparkles"] .version-marker,[data-design="sparkles"] .avatar { background:#f4f4f5; color:#3f3f46; border-color:#d4d4d8; border-radius:10px; }
[data-design="sparkles"] .preferred-label,[data-design="sparkles"] .star { color:#3f3f46; }
[data-design="sparkles"] .tabs { border-radius:10px; background:#f4f4f5; border-color:#e5e5e5; }
[data-design="sparkles"] .tabs button { border-radius:7px; }
[data-design="sparkles"] .tabs button.active { border-color:#d4d4d8; box-shadow:none; }
[data-design="sparkles"] .tabs .count { background:#e5e5e5; }
[data-design="sparkles"] .prompt-editor,[data-design="sparkles"] .reference-item,[data-design="sparkles"] .file-drop,[data-design="sparkles"] .worksheets-panel { background:#fafafa; border-color:#e5e5e5; }
[data-design="sparkles"] .worksheet-stage,[data-design="sparkles"] .print-stage { background:#f4f4f5; border-color:#e5e5e5; border-radius:10px; }
[data-design="sparkles"] .worksheet-image,[data-design="sparkles"] .a4-sheet { box-shadow:none; }
[data-design="sparkles"] .worksheet-choices a,[data-design="sparkles"] .worksheet-choices .selected { border-color:#71717b; }
[data-design="sparkles"] .upload-button { background:#fff; border-color:#d4d4d8; }
[data-design="sparkles"] input::placeholder,[data-design="sparkles"] textarea::placeholder { color:#71717b; }
[data-design="sparkles"] input[type=file]::file-selector-button { background:#f4f4f5; border-color:#d4d4d8; }
[data-design="sparkles"] :focus-visible,[data-design="sparkles"] input:focus,[data-design="sparkles"] textarea:focus,[data-design="sparkles"] select:focus { outline-color:#18181b; }
[data-design="sparkles"] .design-switch { background:#f4f4f5; border-color:#e5e5e5; }
[data-design="sparkles"] .design-switch a { color:#52525b; }
[data-design="sparkles"] .design-switch a[aria-current] { color:#18181b; background:#fff; box-shadow:none; }
.design-switch a[data-design-link=sparkles]::before { background:#18181b; }
@keyframes pencil-hello { 0%,100% { transform:rotate(0); } 50% { transform:rotate(6deg); } }
@keyframes book-arrive { from { opacity:0; transform:translateY(10px); } to { opacity:1; transform:translateY(0); } }
@keyframes star-hello { 0%,100% { transform:rotate(0); } 50% { transform:rotate(-12deg); } }
@keyframes ink-twinkle { 0%,100% { opacity:1; } 50% { opacity:.25; } }
@media(max-width:1100px) { [data-design="sparkles"] .library-heading { padding-right:220px; } [data-design="sparkles"] .sparkles-art { width:215px; } }
@media(max-width:880px) { [data-design="sparkles"] .library-heading { padding-right:0; padding-bottom:125px; } [data-design="sparkles"] .sparkles-art { width:170px; height:120px; bottom:0; } }
@media(max-width:600px) { [data-design="sparkles"] .library-heading h1 { font-size:40px; } .design-switch a { padding-left:8px; padding-right:8px; font-size:11px; } }
@media(prefers-reduced-motion:reduce) { [data-design="sparkles"] *,[data-design="sparkles"] *::before,[data-design="sparkles"] *::after { animation:none!important; transition:none!important; } [data-design="sparkles"] .resource-card:hover { transform:none; } }
@media print { .sparkles-art { display:none!important; } [data-design="sparkles"] .print-stage { background:none; border:0; } }