:root{
  --bg:#0f1419; --panel:#161b22; --panel-2:#1b222c; --line:#263040;
  --fg:#c9d1d9; --head:#ffffff; --muted:#8b949e;
  --accent:#4fb3a9; --accent-soft:rgba(79,179,169,.12); --warn:#e3b341; --warn-soft:rgba(227,179,65,.12);
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  /* aliases used by the inline SVG figures in older articles */
  --code-bg:var(--panel); --rule:var(--line);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--head);text-decoration:underline;text-decoration-color:var(--line);
  text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-color:var(--accent);color:var(--accent)}
.wrap{max-width:64rem;margin:0 auto;padding:0 16px}
@media (min-width:40rem){.wrap{padding:0 2rem}}
.narrow{max-width:44rem}

/* header */
header.site{border-bottom:1px solid var(--line)}
header.site nav{display:flex;flex-wrap:wrap;gap:.25rem 1.5rem;align-items:baseline;padding:1.1rem 0;font-size:.92rem}
header.site nav a{color:var(--muted);text-decoration:none}
header.site nav a:hover,header.site nav a[aria-current]{color:var(--head)}
header.site nav .brand{color:var(--head);font-weight:600;margin-right:auto}

/* type */
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.09em;text-transform:uppercase;color:var(--accent);margin:0 0 .6rem}
h1{color:var(--head);font-weight:600;font-size:clamp(1.75rem,4.2vw,2.6rem);line-height:1.15;letter-spacing:-.015em;margin:0 0 1rem;max-width:40rem}
h2{color:var(--head);font-size:1.2rem;font-weight:600;line-height:1.3;margin:2.6rem 0 .75rem}
h3{color:var(--head);font-size:1.02rem;font-weight:600;margin:2rem 0 .5rem}
p{margin:0 0 1.15rem}
strong{color:var(--head);font-weight:600}
.lede{font-size:1.12rem;line-height:1.6;color:#aab4be;max-width:40rem}
.muted{color:var(--muted)}
.small{font-size:.88rem}
ul,ol{margin:0 0 1.15rem;padding-left:1.2rem}
li{margin:0 0 .45rem}
code{font-family:var(--mono);font-size:.86em;background:var(--panel);border:1px solid var(--line);padding:.05em .35em;border-radius:4px}
hr{border:0;border-top:1px solid var(--line);margin:2.5rem 0}

/* section labels */
.label{font-family:var(--mono);font-size:.72rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:0 0 .75rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.label span{letter-spacing:.02em;text-transform:none}
section{margin:3.25rem 0}

/* hero */
.hero{padding:3.5rem 0 .5rem}

/* key dates */
.dates{border:1px solid var(--line);border-radius:8px;overflow:hidden}
.dates .row{display:grid;grid-template-columns:9.5rem minmax(0,1fr) auto;gap:.4rem 1.25rem;align-items:baseline;padding:.85rem 1.1rem;border-top:1px solid var(--line)}
.dates .row:first-child{border-top:0}
.dates .when{font-family:var(--mono);font-size:.82rem;color:var(--head)}
.dates .what{font-size:.95rem}
.dates .what a{text-decoration-color:var(--line)}
.status{font-family:var(--mono);font-size:.72rem;white-space:nowrap;padding:.15rem .5rem;border-radius:4px;color:var(--accent);background:var(--accent-soft)}
.status.warn{color:var(--warn);background:var(--warn-soft)}
.status.plain{color:var(--muted);background:var(--panel-2)}
@media (max-width:40rem){
  .dates .row{grid-template-columns:minmax(0,1fr) auto}
  .dates .when{grid-column:1}
  .dates .status{grid-column:2;grid-row:1}
  .dates .what{grid-column:1 / -1}
}

/* obligations grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(14.5rem,1fr));gap:12px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:1rem 1.1rem}
.card h3{margin:0 0 .3rem;font-size:.98rem}
.card p{margin:0;font-size:.9rem;color:var(--muted);line-height:1.5}
.card .tag{font-family:var(--mono);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:.45rem}
.card.ob{border-left:3px solid var(--accent);border-radius:0 8px 8px 0}
.card.ob.pending{border-left-color:var(--warn)}

/* briefing list */
.briefs{display:grid;grid-template-columns:repeat(auto-fill,minmax(19rem,1fr));gap:12px}
a.brief{display:block;text-decoration:none;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:1.1rem 1.2rem;color:var(--fg);transition:border-color .15s}
a.brief:hover{border-color:var(--accent);color:var(--fg)}
a.brief .tag{display:block;font-family:var(--mono);font-size:.7rem;line-height:1.45;letter-spacing:.05em;color:var(--accent)}
a.brief h3{margin:.4rem 0 .4rem;font-size:1.02rem;line-height:1.35}
a.brief p{margin:0;font-size:.9rem;color:var(--muted);line-height:1.5}
a.brief .date{display:block;margin-top:.75rem;font-family:var(--mono);font-size:.72rem;color:var(--muted)}

/* article */
article{padding:3rem 0 1rem}
article .meta{font-family:var(--mono);font-size:.76rem;color:var(--muted);margin:0 0 1.75rem}
.glance{display:grid;grid-template-columns:repeat(auto-fit,minmax(12rem,1fr));border:1px solid var(--line);border-radius:8px;overflow:hidden;margin:0 0 2.25rem;background:var(--panel)}
.glance div{padding:.9rem 1.05rem;border-left:1px solid var(--line)}
.glance div:first-child{border-left:0}
.glance dt{font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:.35rem}
.glance dd{margin:0;font-size:.9rem;line-height:1.5;color:var(--fg)}
@media (max-width:40rem){.glance div{border-left:0;border-top:1px solid var(--line)}.glance div:first-child{border-top:0}}
article table{width:100%;border-collapse:collapse;font-size:.88rem;margin:1.25rem 0 1.5rem;display:block;overflow-x:auto}
article th,article td{border-bottom:1px solid var(--line);padding:.55rem .6rem;text-align:left;vertical-align:top}
article th{font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:500}
figure{margin:2rem 0}
figure svg,figure img{display:block;width:100%;height:auto;border-radius:6px}
figcaption{font-size:.85rem;color:var(--muted);margin-top:.6rem}
blockquote{margin:1.5rem 0;padding:.25rem 0 .25rem 1.1rem;border-left:2px solid var(--accent);color:#aab4be}
.callout{border:1px solid var(--line);border-left:3px solid var(--warn);border-radius:0 8px 8px 0;padding:1rem 1.2rem;margin:2rem 0;font-size:.94rem;background:var(--panel)}
.callout p:last-child{margin-bottom:0}
.sources{border-top:1px solid var(--line);margin-top:2.75rem;padding-top:1.25rem;font-size:.85rem;color:var(--muted)}
.sources a{color:var(--fg)}
.back{font-family:var(--mono);font-size:.78rem;margin:2rem 0 0}
.back a{color:var(--muted);text-decoration:none}
.back a:hover{color:var(--accent)}

/* about */
.avatar{width:96px;height:96px;border-radius:50%;object-fit:cover;border:1px solid var(--line);margin:0 0 1.5rem;display:block}

/* footer */
footer.site{border-top:1px solid var(--line);margin-top:4rem;padding:2rem 0 3rem;font-size:.84rem;color:var(--muted)}
footer.site .cols{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:1.5rem}
@media (max-width:40rem){footer.site .cols{grid-template-columns:1fr}}
footer.site p{margin:0 0 .6rem}
footer.site a{color:var(--fg)}
footer.site .name{color:var(--head);font-weight:600}

/* portugal guide: lifecycle diagram */
.flow{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 34px;counter-reset:s}
.flow li{margin:0;position:relative}
.flow li a{display:flex;flex-direction:column;height:100%;text-decoration:none;color:var(--fg);background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:border-color .15s}
.flow li a:hover{border-color:var(--accent);color:var(--fg)}
.flow .n{position:absolute;top:-11px;left:14px;width:22px;height:22px;border-radius:50%;background:var(--bg);border:1px solid var(--accent);color:var(--accent);font:600 .72rem/20px var(--mono);text-align:center}
.flow .st{display:block;color:var(--head);font-weight:600;font-size:.98rem;padding:1.05rem 1rem .3rem}
.flow .erp{display:block;font-size:.86rem;line-height:1.5;padding:0 1rem 1rem;flex:1}
.flow .at{display:block;font-family:var(--mono);font-size:.72rem;line-height:1.4;padding:.6rem 1rem;color:var(--warn);background:var(--warn-soft);border-top:1px dashed var(--line)}
.flow li:not(:nth-child(3n))::after{content:"";position:absolute;top:50%;right:-27px;width:20px;height:1px;background:var(--accent)}
.flow li:not(:nth-child(3n))::before{content:"";position:absolute;top:calc(50% - 4px);right:-28px;border:4px solid transparent;border-left:6px solid var(--accent);z-index:1}
.flow-legend{font-size:.8rem;color:var(--muted);margin-top:1rem;display:flex;flex-wrap:wrap;align-items:center;gap:.4rem 1rem}
.flow-legend .k{display:inline-block;width:12px;height:12px;border-radius:3px;vertical-align:-1px;margin-right:-.6rem}
.erp-k{background:var(--panel);border:1px solid var(--line)}
.at-k{background:var(--warn-soft);border:1px dashed var(--warn)}
@media (max-width:48rem){
  .flow{grid-template-columns:1fr;gap:22px}
  .flow li:not(:nth-child(3n))::after,.flow li:not(:nth-child(3n))::before{display:none}
  .flow li:not(:last-child)::after{display:block;content:"";position:absolute;left:24px;right:auto;top:100%;width:1px;height:22px;background:var(--accent)}
}
.guide{max-width:44rem}
.guide h2{scroll-margin-top:1rem}
.impl{background:var(--panel);border-left:3px solid var(--accent);padding:.8rem 1rem;border-radius:0 6px 6px 0;font-size:.94rem}
a.card{display:block;text-decoration:none;color:var(--fg)}
a.card:hover{border-color:var(--accent);color:var(--fg)}