:root{--bg:#f6f8ee;--card:#fff;--ink:#171a10;--muted:#67705b;--accent:#8c9700;--line:#e1e7ce}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,sans-serif}
header{text-align:center;padding:17px;background:#faf8f1}.logo{font-size:29px;font-weight:800;color:#879000;text-decoration:none;letter-spacing:-1px}header p{margin:2px;color:var(--muted)}
main{max-width:1000px;margin:20px auto;padding:0 16px 55px}nav{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:12px 0 22px}nav a{border:1px solid var(--line);padding:9px 13px;border-radius:11px;background:white;text-decoration:none;color:var(--ink)}nav .active{background:#d8e316;border-color:#d8e316}
h1{font-size:clamp(25px,4vw,34px);margin:0 0 6px}h2{font-size:18px;margin:0 0 12px}.intro{color:var(--muted);margin:0 0 18px}
.layout{display:grid;grid-template-columns:1fr 1fr;gap:18px}.panel{background:white;border:1px solid var(--line);border-radius:17px;padding:20px;min-width:0}
label{font-weight:650;display:block;margin:12px 0 5px}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px;font:inherit;background:white;color:var(--ink)}textarea{min-height:85px;resize:vertical}.small{color:var(--muted);font-size:13px}
button{font:inherit;border:1px solid var(--line);background:white;padding:9px 12px;border-radius:10px;cursor:pointer}button.primary{background:#d8e316;border-color:#d8e316;font-weight:650}.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.preview{white-space:pre-wrap;overflow-wrap:anywhere;min-height:140px;padding:17px;background:#fafbf5;border:1px solid var(--line);border-radius:12px;font-size:16px}.count{text-align:right;color:var(--muted);font-size:13px;margin:7px 0}.over{color:#b63b28;font-weight:700}
.chips{display:flex;gap:7px;flex-wrap:wrap}.chips button{font-size:18px;padding:5px 10px}.templates{display:grid;gap:9px}.template{width:100%;text-align:left;white-space:pre-line;line-height:1.6}.template strong{display:block;color:#596400;font-size:13px;margin-bottom:4px}
footer{text-align:center;color:var(--muted);font-size:13px;padding:24px}.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);padding:10px 18px;background:#25271d;color:white;border-radius:30px;display:none}
@media(max-width:700px){.layout{grid-template-columns:1fr}.panel{padding:15px}nav a{font-size:13px;padding:8px 10px}}

@font-face{font-family:FontedMath;src:url("unicode-math.woff") format("woff");font-display:swap;font-weight:400;font-style:normal;unicode-range:U+2100-214F,U+1D400-1D7FF}
.sample,#preview{font-family:FontedMath,"Segoe UI Symbol","Apple Symbols","Noto Sans Symbols 2",system-ui,sans-serif}
header .brand-logo{display:block;width:min(300px,78vw);height:auto;margin:0 auto;max-width:100%}
header .brand-home{display:block;width:fit-content;margin:auto}header{padding-top:20px;padding-bottom:16px}