@import url('https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&family=Inter:wght@400;500;600;700&display=swap');
:root{--bg:#f5f7fb;--card:#fff;--ink:#151a2b;--mute:#5b6478;--acc:#2f5fe0;--acc2:#0fae96;--line:#e4e8f2;--radius:14px;
 --shadow:0 1px 2px rgba(16,24,52,.04),0 8px 24px rgba(16,24,52,.06)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0e1220;--card:#171d2f;--ink:#f0f2fa;--mute:#9aa3bd;--acc:#7c9bff;--acc2:#35d6ba;--line:#2a3150;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35)}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Inter',system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:'Sora','Inter',system-ui,sans-serif;letter-spacing:-.01em}
a{color:var(--acc)}
header{background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
header div{max-width:980px;margin:0 auto;padding:13px 16px;display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center}
header .logo{font-family:'Sora',sans-serif;font-weight:800;font-size:1.2rem;color:var(--ink);text-decoration:none;margin-right:auto;display:flex;align-items:center;gap:8px;letter-spacing:-.02em}
header .logo::before{content:"";width:10px;height:10px;border-radius:3px;background:linear-gradient(135deg,var(--acc),var(--acc2));display:inline-block;flex:0 0 auto}
header a{text-decoration:none;color:var(--mute);font-weight:500;font-size:.95rem}
header a:hover{color:var(--ink)}
main{max-width:760px;margin:0 auto;padding:28px 16px 48px}
h1{font-size:1.8rem;line-height:1.28;margin:0 0 8px;font-weight:700}
h2{font-size:1.2rem;margin:28px 0 8px;font-weight:700}
.lead{color:var(--mute);margin:0 0 24px}
.tools{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin:0 0 8px}
.tools a{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-decoration:none;color:var(--ink)}
.tools a:hover,.tools a:focus-visible{border-color:var(--acc)}
.tools b{display:block;font-size:1.05rem;color:var(--acc)}
.tools span{font-size:.9rem;color:var(--mute)}
footer{border-top:1px solid var(--line);padding:26px 16px;text-align:center;color:var(--mute);font-size:.9rem}
footer a{margin:0 10px;color:var(--mute);font-weight:500}
footer a:hover{color:var(--acc)}
a:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
.box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin:0 0 16px;box-shadow:var(--shadow)}
.box label{display:block;font-size:.9rem;color:var(--mute);margin-bottom:12px}
.box input,.box select,.box textarea{width:100%;margin-top:4px;padding:12px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font:inherit}
.box textarea{min-height:130px;resize:vertical}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.btn{width:100%;border:0;border-radius:12px;background:linear-gradient(135deg,var(--acc),color-mix(in srgb,var(--acc) 70%,var(--acc2)));color:#fff;font-size:1.05rem;font-weight:700;padding:14px;cursor:pointer;box-shadow:0 6px 18px color-mix(in srgb,var(--acc) 35%,transparent);transition:transform .12s,box-shadow .12s}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 22px color-mix(in srgb,var(--acc) 40%,transparent)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn2{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:10px;padding:10px 14px;font:inherit;font-weight:600;cursor:pointer}
.btn2:hover{border-color:var(--acc);color:var(--acc)}
.res{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0}
.res div{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:12px;text-align:center}
.res b{display:block;font-size:1.6rem;color:var(--acc)}
.err{color:#e5484d}
input:focus-visible,select:focus-visible,textarea:focus-visible,.btn:focus-visible,.btn2:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
@media(max-width:420px){.row{grid-template-columns:1fr}}
.hero{background:radial-gradient(120% 160% at 15% 0%,#1b3a9e 0%,#1d2b64 45%,#0e2a4d 100%);position:relative;color:#fff;padding:44px 16px 34px;text-align:center;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(60% 50% at 85% 10%,color-mix(in srgb,var(--acc2) 35%,transparent),transparent 70%);pointer-events:none}
.hero h1{font-size:2rem;margin:0 0 8px;position:relative}
.hero p{margin:0 auto 18px;max-width:560px;opacity:.88;position:relative}
.hero input{width:100%;max-width:460px;padding:14px 18px;border-radius:999px;border:0;font:inherit;font-size:1rem;color:#1c2233;background:#fff;position:relative;box-shadow:0 10px 28px rgba(0,0,0,.25)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px}
.chips button{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:999px;padding:8px 16px;font:inherit;font-weight:500;cursor:pointer}
.chips button.on{background:var(--acc);border-color:var(--acc);color:#fff}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;text-decoration:none;color:var(--ink);transition:transform .15s,box-shadow .15s;box-shadow:var(--shadow)}
.card:hover,.card:focus-visible{transform:translateY(-3px);box-shadow:0 14px 30px color-mix(in srgb,var(--acc) 20%,transparent);border-color:var(--acc)}
.card i{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:14px;font-style:normal;font-size:1.5rem;margin-bottom:10px}
.card b{display:block;font-size:1.05rem;font-weight:700}
.card span{font-size:.9rem;color:var(--mute)}
.c-conv i{background:#ffe6d5}.c-edit i{background:#dce8ff}.c-util i{background:#d8f5e3}
.card.soon{opacity:.6;pointer-events:none}
#none{display:none;color:var(--mute)}
.wide{max-width:980px}
.edit-wrap{max-width:900px}
.tb{display:flex;gap:8px;overflow-x:auto;padding:6px 2px;margin-bottom:10px;-webkit-overflow-scrolling:touch}
.tb button{flex:0 0 auto;border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:10px;padding:9px 13px;font:inherit;font-size:.9rem;cursor:pointer;white-space:nowrap}
.tb button.on{background:var(--acc);color:#fff;border-color:var(--acc)}
.canvas-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px;background:#888;touch-action:none}
.canvas-wrap canvas{display:block;margin:0 auto;background:#fff;touch-action:none}
.pagebar{display:flex;align-items:center;justify-content:center;gap:14px;margin:10px 0}
.pagebar button{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:8px;padding:8px 14px;font:inherit;cursor:pointer}
.swatches{display:flex;gap:6px;align-items:center}
.sw{width:26px;height:26px;border-radius:50%;border:2px solid var(--line);cursor:pointer}
.sw.on{outline:2px solid var(--acc);outline-offset:2px}
.news-tabs{display:flex;gap:8px;margin-bottom:16px}
.news-tabs button{flex:1;border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:10px;padding:10px;font:inherit;cursor:pointer}
.news-tabs button.on{background:var(--acc);border-color:var(--acc);color:#fff}
.n-item{display:block;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:10px;text-decoration:none;color:var(--ink)}
.n-item b{display:block;margin-bottom:4px}
.n-item small{color:var(--mute)}
.blog-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:12px;text-decoration:none;color:var(--ink)}
.blog-card b{display:block;font-size:1.05rem;color:var(--acc)}
.blog-card small{color:var(--mute)}
article.post p{margin:0 0 14px}
article.post h2{margin-top:24px}
.photo-wrap{max-width:900px}
.pcolors{display:grid;grid-template-columns:repeat(auto-fill,minmax(30px,1fr));gap:6px;margin:10px 0}
.pcolors .sw{width:100%;aspect-ratio:1;border-radius:8px}
.crop-box{position:relative;overflow:hidden;border-radius:10px;border:1px solid var(--line);background:#888;touch-action:none;max-width:100%}
.crop-box canvas{display:block;max-width:100%;touch-action:none}
.presets{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.presets button{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:8px;padding:8px 12px;font:inherit;font-size:.9rem;cursor:pointer}
.presets button.on{background:var(--acc);border-color:var(--acc);color:#fff}
.sn-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:10px;text-decoration:none;color:var(--ink)}
.sn-card b{display:block;color:var(--acc)}
.wm-tabs{display:flex;gap:8px;margin-bottom:16px}
.wm-tabs button{flex:1;border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:10px;padding:10px;font:inherit;cursor:pointer}
.wm-tabs button.on{background:var(--acc);border-color:var(--acc);color:#fff}
.field{margin:0 0 14px}
.field label{display:block;font-size:.9rem;color:var(--mute);margin-bottom:4px}
.field input[type=text],.field input[type=number],.field select{width:100%;padding:11px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font:inherit}
.field input[type=range]{width:100%}
.field .v{color:var(--mute);font-size:.85rem}
.posgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;max-width:220px}
.posgrid button{aspect-ratio:1;border:1px solid var(--line);background:var(--card);border-radius:8px;cursor:pointer}
.posgrid button.on{background:var(--acc);border-color:var(--acc)}

/* touch ripple + entrance animation */
.ripple-fx{position:absolute;border-radius:50%;background:currentColor;opacity:.28;transform:scale(0);pointer-events:none;animation:ripple-kf .5s ease-out forwards}
@keyframes ripple-kf{to{transform:scale(1);opacity:0}}
button,.card,.tools a,.blog-card,.sn-card,.n-item{-webkit-tap-highlight-color:transparent}
.pop-in{animation:pop-in-kf .28s ease}
@keyframes pop-in-kf{from{opacity:0;transform:translateY(6px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
@media (prefers-reduced-motion: reduce){.ripple-fx,.pop-in{animation:none!important}}