/* danware.hu. Atlassian Design System light-mode tokens, newsprint green ground, serif titles. */
:root{
  --ground:#e9f0e4; --surface:#ffffff;
  --text:#292a2e; --text-subtle:#505258; --text-subtlest:#6b6e76;
  --link:#1f5e3b; --link-hover:#174a2e; --accent:#b23a48;
  --border:rgba(11,18,14,0.14); --neutral:rgba(5,21,36,0.06);
  --sans:'Atlassian Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Ubuntu,system-ui,'Helvetica Neue',sans-serif;
  --serif:'Times New Roman',Times,'Nimbus Roman',serif;
  --mono:'Atlassian Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --s1:8px; --s2:16px; --s3:24px; --s4:32px; --s5:40px; --s6:48px;
}

/* dark mode: the same greenery, inverted. Follows the system unless data-theme is set. */
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ground:#16211b; --surface:#1f2b24;
    --text:#e6ebe4; --text-subtle:#b7c2b8; --text-subtlest:#8f9b91;
    --link:#8fcf9f; --link-hover:#b2e0bc; --accent:#f09a9f;
    --border:rgba(230,235,228,0.16); --neutral:rgba(230,235,228,0.08);
  }
}
:root[data-theme="dark"]{
  --ground:#16211b; --surface:#1f2b24;
  --text:#e6ebe4; --text-subtle:#b7c2b8; --text-subtlest:#8f9b91;
  --link:#8fcf9f; --link-hover:#b2e0bc; --accent:#f09a9f;
  --border:rgba(230,235,228,0.16); --neutral:rgba(230,235,228,0.08);
}
.theme-toggle{background:none;border:0;color:var(--text-subtle);width:32px;height:32px;padding:0;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.theme-toggle:hover{color:var(--text);background:var(--neutral)}
/* The icon shows what a click does: moon on the light site, sun on the dark one. */
.theme-toggle .icon-sun{display:none}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .theme-toggle .icon-moon{display:none}:root:not([data-theme="light"]) .theme-toggle .icon-sun{display:block}}
:root[data-theme="dark"] .theme-toggle .icon-moon{display:none}
:root[data-theme="dark"] .theme-toggle .icon-sun{display:block}

*{box-sizing:border-box}
html{-webkit-font-smoothing:antialiased}
body{margin:0;background:var(--ground);color:var(--text);font-family:var(--sans);font-size:16px;line-height:24px}
a{color:var(--link);text-decoration:underline}
a:hover{color:var(--link-hover)}
h1,h2,h3{margin:0;font-weight:700;color:var(--text)}
h1{font-family:var(--serif);font-size:36px;line-height:40px}
h2{font-family:var(--serif);font-size:26px;line-height:30px}
h3{font-size:16px;line-height:20px}
p{margin:0}
.wrap{max-width:1120px;margin:0 auto;padding:0 var(--s4)}

/* header */
.site-header{border-bottom:1px solid var(--border)}
.site-header .wrap{display:flex;align-items:center;gap:var(--s4);flex-wrap:wrap}
.brand{font-family:var(--mono);font-weight:500;font-size:17px;letter-spacing:-0.01em;color:var(--text);text-decoration:none;padding:18px 0}
.brand span{color:var(--text-subtlest)}
.nav{display:flex;gap:20px;flex:1 1 auto;flex-wrap:wrap}
.nav a{color:var(--text-subtle);font-weight:500;font-size:14px;line-height:20px;padding:18px 4px;text-decoration:none}
.nav a.active{color:var(--link);border-bottom:2px solid var(--link);padding-bottom:16px}
.btn-neutral{color:var(--text);background:var(--neutral);font-weight:500;font-size:14px;line-height:32px;padding:0 12px;text-decoration:none}

/* page */
main.wrap{padding-top:var(--s5);display:flex;flex-direction:column;gap:var(--s5)}
.cols{display:flex;flex-wrap:wrap;gap:var(--s6)}
.cols .main{flex:999 1 560px;min-width:0;display:flex;flex-direction:column;gap:var(--s5)}
.cols .side{flex:1 1 280px;display:flex;flex-direction:column;gap:var(--s3)}
.section{display:flex;flex-direction:column;gap:var(--s2)}
.card{background:var(--surface);border:1px solid var(--border);padding:20px;display:flex;flex-direction:column;gap:12px}
.card h4{margin:0;font-size:12px;line-height:16px;font-weight:700;color:var(--text-subtle);text-transform:uppercase;letter-spacing:.04em}
.lead{font-size:20px;line-height:28px;color:var(--text)}
.muted{color:var(--text-subtle)}
.small{font-size:14px;line-height:20px}
.meta{font-size:14px;line-height:20px;color:var(--text-subtlest);font-style:italic}
.kicker{font-size:14px;line-height:20px;font-style:italic;color:var(--accent)}
.more{font-weight:700}
.row{display:flex;gap:var(--s1);flex-wrap:wrap}
.rule-list>*{padding:16px 0;border-top:1px solid var(--border)}
.note{background:var(--surface);border:1px solid var(--border);padding:16px 20px;display:flex;gap:12px;align-items:flex-start}
.note svg{flex:0 0 16px;color:var(--link);margin-top:2px}
.note > div{display:flex;flex-direction:column;gap:4px}
.photo{width:120px;height:120px;border-radius:50%;object-fit:cover;border:1px solid var(--border);flex:0 0 120px}

/* posts */
.post-list article{display:flex;flex-direction:column;gap:8px;padding:20px 0;border-top:1px solid var(--border)}
.post-list h3{font-family:var(--serif);font-size:22px;line-height:26px}
.post-list h3 a{color:var(--text);text-decoration:none}
.post-list h3 a:hover{text-decoration:underline}
.feed>*{display:flex;flex-direction:column;gap:6px;padding:12px 0;border-top:1px solid var(--border)}
.roll>*{display:flex;flex-direction:column;gap:2px;padding:10px 0;border-top:1px solid var(--border)}

/* materials */
.lessons{display:flex;flex-direction:column;border-top:1px solid var(--border);padding-top:8px}
.lessons a,.lessons>span{display:flex;gap:12px;align-items:center;padding:10px 12px;color:var(--text);text-decoration:none}
.lessons a:hover{background:var(--ground)}
.lessons .num{color:var(--text-subtlest);font-family:var(--mono);font-size:12px;flex:0 0 32px}
.toc{display:flex;flex-direction:column;gap:2px}
.toc a{font-size:14px;line-height:20px;padding:6px 8px;text-decoration:none;color:var(--text)}
.toc a.block{font-weight:500}
.toc a.lesson{color:var(--text-subtle);padding-left:24px}
.toc a.current{color:var(--link);background:var(--surface)}
.crumbs{display:flex;gap:8px;font-size:12px;line-height:16px;color:var(--text-subtlest)}
.prose{max-width:720px;display:flex;flex-direction:column;gap:var(--s3)}
.prose h2{margin-top:var(--s2)}
.prose p,.prose li{color:var(--text-subtle)}
.prose pre{margin:0;background:var(--surface);border:1px solid var(--border);padding:16px;font-family:var(--mono);font-size:13px;line-height:20px;color:var(--text);overflow-x:auto;white-space:pre-wrap}
.prose code{font-family:var(--mono);font-size:14px}
.prose blockquote{margin:0;border-left:3px solid var(--border);padding-left:16px;color:var(--text-subtle)}
.pager{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:var(--s3);border-top:1px solid var(--border)}
.authors{font-size:14px;line-height:20px;color:var(--text-subtlest)}

/* footer */
.site-footer{border-top:1px solid var(--border);margin-top:64px}
.site-footer .wrap{padding:var(--s3) var(--s4);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;line-height:20px;color:var(--text-subtlest)}
.site-footer .links{display:flex;gap:16px}

/* language switcher */
.langs{display:flex;gap:12px;font-size:14px;line-height:20px}
.langs .current{color:var(--text);font-weight:500}
.langs a{color:var(--text-subtle);text-decoration:none}
.langs a:hover{color:var(--link);text-decoration:underline}

/* Contact form */
.form{display:flex;flex-direction:column;gap:12px;max-width:640px}
.form label{display:flex;flex-direction:column;gap:4px;font-size:14px;line-height:20px;color:var(--text-subtle);flex:1 1 200px}
.form input,.form select,.form textarea{font:inherit;font-size:16px;line-height:24px;color:var(--text);background:var(--surface);border:1px solid var(--border);padding:6px 10px;border-radius:0}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--link);outline-offset:1px}
.form textarea{resize:vertical;min-height:120px}
.form-row{display:flex;gap:12px;flex-wrap:wrap}
.form .hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.btn{font:inherit;font-weight:500;font-size:14px;line-height:32px;padding:0 14px;color:#fff;background:var(--link);border:0;cursor:pointer}
.btn:hover{background:var(--link-hover)}
.btn:disabled{opacity:.6;cursor:default}

/* Small inline label, e.g. a language level */
.tag{display:inline-block;font-family:var(--mono);font-size:11px;line-height:16px;padding:0 6px;border:1px solid var(--border);border-radius:3px;color:var(--text-subtle);background:var(--neutral);vertical-align:1px}