/* Shared refinements reuse the original site's blue, white, logos and type stack. */
:root{--accent:#2e6fdd;--paper:#fff;--ink:#222;--muted:#56657a;--line:#dce5f0;--tint:#edf4ff;--radius:14px}
body.dark-mode{--paper:#1d2532;--ink:#edf3fc;--muted:#b1bfd1;--line:#394657;--tint:#172c45}
body{color:var(--ink)}button,input,select,textarea{font:inherit}button,a,input,select,summary{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #dc8b28;outline-offset:4px}img{max-width:100%;height:auto}.nav{gap:16px;flex-wrap:wrap}.nav-menu{gap:3px;align-items:center;flex-wrap:wrap;flex:1;justify-content:center}.nav-menu a{font-size:.88rem;padding:.45rem .55rem}.nav-menu a[aria-current=page]{background:var(--tint);font-weight:700}.lang-switch{margin:0}.header-banner{min-height:0!important;padding:18px!important}.header-banner .banner-logo{max-height:85px!important;width:auto!important}.header-banner h1,.header-banner .brand-title{font-size:1.1rem!important;margin:6px}.menu-button{display:none;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:8px;padding:9px 13px}.content{max-width:950px}.content p{margin:1em 0}.content h2{margin-top:1.8em}.content li{margin:.45em 0}.content ul,.content ol{padding-inline-start:1.5em}.content .header-image{max-height:390px;object-fit:cover;width:100%;border-radius:var(--radius)}.hero p,.card-body p{color:var(--muted)}.page-header{padding:36px 5%;background:var(--tint);text-align:center}.page-header p{max-width:790px;margin:12px auto;color:var(--muted)}.page-header h1{font-size:clamp(1.8rem,4vw,2.7rem)}.footer{padding:30px 5%;line-height:2.2}.footer a{margin-inline:7px}.reveal{opacity:1;transform:none}.editor-note,.lesson-box,.library-intro{padding:22px;border:1px solid var(--line);background:var(--tint);border-radius:var(--radius);margin-block:24px}.editor-note p{margin:.5em 0}.meta-row{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:.9rem;margin-block:18px}.badge{display:inline-block;font-size:.75rem;background:var(--tint);color:var(--accent);border:1px solid var(--line);border-radius:30px;padding:4px 10px}.badge.original{color:#126250;background:#e6f7ee}.dark-mode .badge.original{color:#b6e9ce;background:#193a32}.hub-grid,.library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-block:28px}.hub-card,.prompt-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 5px 18px #18385a09}.hub-card img{width:100%;height:190px;object-fit:cover}.hub-card>div{padding:23px}.hub-card h2,.hub-card h3{font-size:1.25rem;margin:0 0 12px;color:var(--accent)}.hub-card p{color:var(--muted);margin-bottom:18px}.library-layout{max-width:1200px}.library-top{background:linear-gradient(135deg,var(--tint),var(--paper));padding:32px;border:1px solid var(--line);border-radius:20px;margin-block:25px}.library-top h2{font-size:2rem;margin:10px 0}.library-stats{display:flex;gap:24px;flex-wrap:wrap;color:var(--muted);margin-top:20px}.library-stats strong{color:var(--accent);font-size:1.4rem}.library-toolbar{display:flex;gap:12px;flex-wrap:wrap;padding:20px;background:var(--paper);border:1px solid var(--line);border-radius:12px;margin-block:25px}.library-toolbar label{flex:1;min-width:170px;font-size:.85rem;color:var(--muted)}.library-toolbar input,.library-toolbar select{display:block;width:100%;margin-top:6px;border:1px solid var(--line);padding:12px;border-radius:8px;background:var(--paper);color:var(--ink)}.prompt-card{position:relative;display:flex;flex-direction:column;scroll-margin-top:120px}.prompt-card>img{width:100%;height:190px;object-fit:cover;background:var(--tint)}.prompt-card .copy{padding:20px;display:flex;flex-direction:column;flex:1;gap:10px}.prompt-card h2{font-size:1.2rem;color:var(--accent);margin:0}.prompt-card code{font-size:.85rem;overflow-wrap:anywhere;color:var(--muted)}.prompt-card p{font-size:.96rem;line-height:1.8;margin:0}.prompt-number{position:absolute;top:12px;inset-inline-start:12px;background:#fffef7ed;color:#183e76;border-radius:7px;padding:5px 11px;font-weight:700}.prompt-card details{border-top:1px solid var(--line);padding-top:10px;margin-top:auto}.prompt-card summary{color:var(--accent);cursor:pointer}.prompt-card pre{font:14px/1.7 system-ui;white-space:pre-wrap;overflow-wrap:anywhere;background:var(--tint);padding:14px;border-radius:8px;margin-top:12px;text-align:left}.copy-prompt,.action-button,.load-more{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:10px 17px;cursor:pointer;display:inline-block;margin-top:12px}.copy-status{font-size:.8rem;display:block;min-height:1.5em}.library-results{color:var(--muted);margin:18px 0}.library-bottom{text-align:center;margin:25px 0 40px}.prompt-card[hidden]{display:none!important}.library-credit{text-align:center;font-size:.83rem;border-top:1px solid var(--line);padding:20px;margin-top:35px}.source-links{font-size:.92rem}.source-links a{display:inline-block;margin:5px 14px 5px 0}.split-panel{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-block:24px}.project-hero{display:grid;grid-template-columns:1.2fr 1fr;background:var(--tint);border-radius:20px;overflow:hidden;margin-block:25px}.project-hero>div{padding:35px}.project-hero img{width:100%;height:100%;min-height:300px;object-fit:cover}.project-hero h2{font-size:2rem}.project-figure figcaption{font-size:.86rem;color:var(--muted);padding:10px 0}.step-list{counter-reset:steps;display:grid;gap:12px;margin:22px 0}.step-list>div{padding:18px 20px;border-inline-start:3px solid var(--accent);background:var(--tint)}.toc-links{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.toc-links a{padding:8px 13px;background:var(--tint);border-radius:8px}.notice-small{font-size:.85rem;color:var(--muted)}.search-results a{display:block;padding:10px;border-bottom:1px solid var(--line)}.youtube-placeholder{background:var(--tint);padding:25px;text-align:center;border-radius:12px}.content table{border-collapse:collapse;width:100%;font-size:.94rem;margin-block:20px}.content td,.content th{border:1px solid var(--line);padding:12px;text-align:start}.content th{background:var(--tint)}.content pre{overflow-x:auto}.skip-link{position:absolute;top:-100px;inset-inline-start:15px;background:#fff;color:#123;padding:12px;z-index:500}.skip-link:focus{top:12px}
@media(max-width:1000px){.hub-grid,.library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.nav{justify-content:space-between}.menu-button{display:block}.nav-menu{display:none;flex-basis:100%;order:4;justify-content:flex-start}.nav-menu.open{display:flex}.lang-switch{margin-inline-start:auto}.project-hero{grid-template-columns:1fr}.project-hero img{height:260px;min-height:0}}@media(max-width:600px){.hub-grid,.library-grid,.split-panel{grid-template-columns:1fr}.library-top{padding:22px}.library-toolbar{padding:15px}.library-toolbar label{flex-basis:100%}.header-banner .banner-logo{max-height:60px!important}.header-banner .brand-title{font-size:.9rem!important}.container{width:92%}.prompt-card>img{height:auto;aspect-ratio:1.5}.nav-menu a{padding:10px}.content table{display:block;overflow-x:auto}.meta-row{gap:8px}.project-hero>div{padding:24px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.prompt-library-page .library-layout>.library-top{padding:16px 22px;margin:18px 0;display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap}.prompt-library-page .library-layout>.library-top h2,.prompt-library-page .library-layout>.library-top>p{display:none}.prompt-library-page .library-layout>.library-top .library-stats{margin:0}.library-intro{font-size:.94rem;padding:18px 22px}.library-layout .library-toolbar{margin-top:20px}.library-layout .library-intro p{line-height:1.8}.hub-card img{height:auto;aspect-ratio:16/9}.content .header-image{height:auto;max-height:none}.project-figure{margin-block:25px}.dark-mode .hub-card p,.dark-mode .prompt-card p{color:var(--ink)}.dark-mode .page-header p,.dark-mode .card-body p{color:var(--muted)}

.dark-mode .nav-menu a[aria-current=page]{background:#203b5a;color:#b6dbff}.dark-mode input,.dark-mode textarea,.dark-mode select{background:var(--paper)!important;color:var(--ink)!important;border-color:var(--line)!important}