/* Minimalist styles with system font stack and dark-mode support */ 
:root{ --bg:#fff; --fg:#111; --muted:#666; --accent:#2b8a3e; --line:#e6e6e6 }
@media (prefers-color-scheme: dark){
  :root{ --bg:#0b0b0b; --fg:#f2f2f2; --muted:#aaa; --accent:#6de28f; --line:#1b1b1b }
}
*{box-sizing:border-box} html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji"}
a{color:var(--accent);text-decoration:none} a:hover{text-decoration:underline}
.nav{position:sticky;top:0;backdrop-filter:saturate(160%) blur(6px);display:flex;align-items:center;justify-content:space-between;padding:10px 16px;border-bottom:1px solid var(--line);background:color-mix(in srgb, var(--bg) 80%, transparent)}
.brand{font-weight:700;letter-spacing:.2px}.dot{color:var(--accent)}
.links{display:flex;gap:12px;align-items:center}
button{border:1px solid var(--line);background:var(--bg);color:var(--fg);padding:8px 12px;border-radius:999px;cursor:pointer}
button.ghost{background:transparent} button.small{font-size:12px;padding:6px 10px} button.danger{border-color:#d33;color:#d33}
.hero{min-height:58vh;display:grid;place-content:center;text-align:center;padding:72px 16px}
h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.1;margin:0 0 12px}
.lede{color:var(--muted);margin:0 auto 20px;max-width:50ch}
.cta{display:inline-block;border:1px solid var(--accent);padding:10px 14px;border-radius:12px}
.section{padding:48px 16px;max-width:980px;margin:0 auto}
.cards{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card{border:1px solid var(--line);padding:16px;border-radius:12px}
.blog-head{display:flex;align-items:center;justify-content:space-between}
.posts{display:grid;gap:24px;margin-top:12px}
.post{border-top:1px dashed var(--line);padding-top:16px}
.post header{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.post-title{margin:0}.post-date{color:var(--muted)} .post-body p{margin:0 0 10px}
label{display:block;margin:10px 0}
input,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:transparent;color:inherit}
dialog{border:1px solid var(--line);border-radius:16px;padding:16px;max-width:720px;width:min(90vw,700px)}
.row{display:flex;gap:12px;justify-content:flex-end;margin-top:12px}
.site-foot{border-top:1px solid var(--line);padding:24px 16px;text-align:center;color:var(--muted)}
.hint{color:var(--muted);font-size:12px}


/* v5: Improve button contrast for readability */
button{
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
  font-weight: 600;
}
button:hover{ filter:brightness(0.95) }
button:focus{ outline: 2px solid var(--accent); outline-offset: 2px }
button.ghost{
  background: transparent;
  color: var(--fg);
  border-color: var(--fg);
}
button.danger{
  border-color: #b00020;
  color: #fff;
  background: #b00020;
}


/* v6: Improve ghost button contrast on dark/light backgrounds */
@media (prefers-color-scheme: dark){
  button.ghost{ color:#f5f5f5; border-color:#f5f5f5 }
}
@media (prefers-color-scheme: light){
  button.ghost{ color:#111; border-color:#111 }
}


/* v7: dialog polyfill styles */
.dialog-backdrop{
  position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 9998;
}
dialog[open]{ display: block; position: fixed; inset: 50% auto auto 50%; transform: translate(-50%,-50%); z-index: 9999; }


/* v8: anchor as button */
a.btn-link{
  display:inline-block;
  text-decoration:none;
  padding:8px 12px;
  border:1px solid var(--fg);
  border-radius:999px;
  background:var(--fg);
  color:var(--bg);
  font-weight:600;
}
a.btn-link:hover{ filter:brightness(0.95); text-decoration:none }