*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Noto Sans,"Apple Color Emoji","Segoe UI Emoji";color:var(--fg);background:var(--bg);line-height:1.6;overflow-x:hidden}:root{--bg: #f8fafc;--fg: #0f172a;--card: #ffffff;--muted: #475569;--border: #e2e8f0;--border-strong: #dbe3ee;--accent: #0ea5e9;--accent-600: #0284c7;--radius: 12px;--tag-bg: #f1f5f9;--hover: #f8fafc;--accent-bg-lite: #e0f2fe;--btn-fg: var(--fg);--btn-primary-fg: var(--accent-600);--btn-solid-fg: #ffffff}a,a:visited{color:inherit;text-decoration:none;transition:color .2s ease}a:hover,a:focus,a:active{color:var(--accent-600);text-decoration:none}.button,.button:hover,.button:focus,.button:active{text-decoration:none}img{max-width:100%;display:block}code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:13px;word-break:break-word;overflow-wrap:anywhere}.card{max-width:100%;overflow-wrap:anywhere}h1,h2,h3{line-height:1.25;letter-spacing:-.01em}h1{font-size:28px;margin:0 0 8px}h2{font-size:22px;margin:0 0 8px}h3{font-size:18px;margin:0 0 8px}.container{max-width:1080px;padding-left:max(clamp(16px,5vw,28px),env(safe-area-inset-left));padding-right:max(clamp(16px,5vw,28px),env(safe-area-inset-right));margin:0 auto}header.site-header{position:sticky;top:0;z-index:50;background:var(--card);border-bottom:1px solid var(--border);backdrop-filter:saturate(180%) blur(10px)}.site-header .inner{display:flex;align-items:center;gap:16px;height:64px}.brand{font-weight:700;letter-spacing:-.02em}footer.site-footer{padding:40px 0;font-size:14px;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;transition:box-shadow .2s ease,transform .06s ease,border-color .2s ease}.card:hover{box-shadow:0 8px 28px #0f172a14;transform:translateY(-1px);border-color:var(--border-strong)}.badge{font-size:12px;color:var(--muted)}.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.tag{font-size:12px;color:var(--muted);background:var(--tag-bg);padding:2px 8px;border-radius:999px;border:1px solid var(--border)}.controls{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.chip{padding:6px 12px;border:1px solid var(--border);background:var(--card);border-radius:999px;cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease}.chip:hover{background:var(--hover)}.chip.active{border-color:var(--accent);color:var(--accent-600);background:var(--accent-bg-lite)}.search{appearance:none;border:1px solid var(--border);background:var(--card);border-radius:10px;padding:10px 12px;outline:none;min-width:240px}.search:focus{border-color:#cbd5e1;box-shadow:0 0 0 3px #0284c71a}.preview-box{background:var(--card);border:1px dashed var(--border);border-radius:10px;padding:14px;min-height:64px;overflow-wrap:anywhere}.preview-box.compact{min-height:0;padding:8px 12px}pre.preview-box,code.preview-box{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:13px;line-height:1.5}pre.preview-box{white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere}.button{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:var(--radius);border:1px solid var(--border);background:var(--card);transition:background .2s ease,border-color .2s ease,color .2s ease,transform .06s ease;color:var(--btn-fg)}.button:hover{background:var(--hover)}.button:active{transform:translateY(1px)}.button.primary{border-color:var(--accent);background:var(--accent-bg-lite);color:var(--btn-primary-fg)}.button.solid{border-color:var(--accent);background:var(--accent);color:var(--btn-solid-fg)}.button.solid:hover{filter:brightness(.95)}.link-highlight{display:inline;background-image:linear-gradient(to top,var(--accent-bg-lite),var(--accent-bg-lite));background-repeat:no-repeat;background-position:0 100%;background-size:100% 33%}.link-highlight:hover{color:var(--accent-600)}.link-highlight:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.button:focus-visible,.chip:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}@media (max-width: 640px){.controls{gap:8px}.search{flex:1 1 100%;min-width:0;width:100%}}@media (max-width: 360px){.grid{grid-template-columns:1fr;gap:16px}.container{padding-left:max(clamp(18px,6vw,28px),env(safe-area-inset-left));padding-right:max(clamp(18px,6vw,28px),env(safe-area-inset-right))}}