:root {
  color-scheme: dark;
  --ink: #050a07;
  --panel: #0a140e;
  --line: #17341f;
  --text: #cfe8d6;
  --muted: #7ba58c;
  --accent: #39ff88;
  --link: #7dffb5;
  --crit: #ff5d6c;
  --high: #ff9f43;
  --med: #f1d35b;
  --low: #6fb6ff;
  --sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background-color: var(--ink);
  background-image: repeating-linear-gradient(0deg, rgba(57, 255, 136, 0.035) 0 1px, transparent 1px 4px);
  color: var(--text);
  font: 1rem/1.5 var(--sans);
}

a { color: var(--link); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.skip { position: absolute; left: -999px; top: 0; }
.skip:focus {
  left: 1rem; top: 0.5rem; z-index: 10;
  background: var(--accent); color: #000; padding: 0.4rem 0.7rem;
}

/* Cabeçalho: linha de comando */
.top {
  max-width: 72rem; margin: 0 auto; padding: 1rem 1.25rem;
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 2rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
}
.brand {
  display: flex; align-items: center; gap: 0.6rem;
  color: var(--accent); text-decoration: none;
  font-size: 1.2rem; font-weight: 700;
}
.brand span::before { content: "~/"; color: var(--muted); font-weight: 400; }
.brand span::after { content: " _"; color: var(--accent); }
.top nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; font-size: 0.92rem; }
.top nav a {
  color: var(--muted); text-decoration: none; padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}
.top nav a:hover { color: var(--text); }
.top nav a[aria-current] { color: var(--accent); border-bottom-color: var(--accent); }

main { max-width: 72rem; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }

/* Gravidade: cor por classe, barra de dez segmentos proporcional à pontuação */
.sev-critica { --sev: var(--crit); }
.sev-alta { --sev: var(--high); }
.sev-media { --sev: var(--med); }
.sev-baixa { --sev: var(--low); }
.sev-none { --sev: var(--line); }

.rating { display: flex; flex-direction: column; gap: 0.4rem; font-family: var(--mono); }
.rating .num {
  font-size: 1.25rem; font-weight: 700; line-height: 1;
  color: var(--sev); font-variant-numeric: tabular-nums;
}
.rating .num.word { font-size: 0.95rem; }
.gauge { position: relative; display: block; width: 100%; height: 0.55rem; background: var(--line); overflow: hidden; }
.gauge i { display: block; height: 100%; background: var(--sev); }
.gauge::after {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(90deg, transparent 0 calc(10% - 2px), var(--ink) calc(10% - 2px) 10%);
}
.g0 i { width: 0; } .g1 i { width: 10%; } .g2 i { width: 20%; } .g3 i { width: 30%; }
.g4 i { width: 40%; } .g5 i { width: 50%; } .g6 i { width: 60%; } .g7 i { width: 70%; }
.g8 i { width: 80%; } .g9 i { width: 90%; } .g10 i { width: 100%; }

/* Introdução e listas */
.lede { padding: 1.5rem 0 2rem; }
.lede h1 {
  margin: 0 0 0.9rem; max-width: 26ch;
  font: 700 clamp(1.6rem, 3.8vw, 2.6rem)/1.15 var(--mono); letter-spacing: -0.02em; color: var(--text);
}
.lede h1::before { content: "$ "; color: var(--accent); }
.lede p { margin: 0; max-width: 62ch; color: var(--muted); }

.listing-head h1 { margin: 0.5rem 0 0.25rem; font: 700 1.7rem/1.2 var(--mono); }
.listing-head h1::before { content: "$ ls "; color: var(--accent); font-weight: 400; }
.listing-head p { margin: 0 0 1.25rem; color: var(--muted); font-family: var(--mono); }

.log { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.entry {
  display: grid; grid-template-columns: 7.5rem 6.5rem minmax(0, 1fr); gap: 0.35rem 1.5rem;
  padding: 1.1rem 0 1.1rem 1rem; border-bottom: 1px solid var(--line);
  box-shadow: inset 3px 0 0 var(--sev, var(--line));
}
.entry time { color: var(--muted); font: 0.88rem var(--mono); font-variant-numeric: tabular-nums; padding-top: 0.15rem; }
.entry .title {
  color: var(--text); font: 700 1.1rem/1.35 var(--mono); text-decoration: none;
}
.entry .title:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.entry .sum { margin: 0.3rem 0 0.5rem; max-width: 70ch; color: var(--muted); }

.facts { display: flex; flex-wrap: wrap; gap: 0.3rem 0.9rem; margin: 0; font: 0.85rem var(--mono); color: var(--muted); }
.facts a { color: var(--accent); text-decoration: none; }
.facts a:hover { text-decoration: underline; }
.facts .cve { color: var(--text); }
.facts .kev { border: 1px solid var(--accent); color: var(--accent); padding: 0 0.4rem; }
.facts abbr { text-decoration: none; }

.empty { padding: 2rem 0; color: var(--muted); max-width: 55ch; font-family: var(--mono); }

/* Abertura da página inicial: registo de terminal, uma única sequência no carregamento */
.boot {
  max-width: 44rem; margin: 0 0 2rem; padding: 0.9rem 1rem;
  border: 1px solid var(--line); background: var(--panel);
  font: 0.88rem/1.7 var(--mono); color: var(--muted);
}
.boot p, .boot ul { margin: 0; }
.boot ul { padding: 0; list-style: none; }
.boot .cmd {
  width: 20ch; overflow: hidden; white-space: nowrap; color: var(--accent);
  animation: boot-type 0.9s steps(20) both;
}
.boot li { animation: boot-line 0.01s steps(1) both; }
.boot li:nth-child(1) { animation-delay: 1.1s; }
.boot li:nth-child(2) { animation-delay: 1.5s; }
.boot li:nth-child(3) { animation-delay: 1.9s; }
.boot ul::after { content: "_"; color: var(--accent); animation: boot-line 0.01s steps(1) 2.3s both; }
@keyframes boot-type { from { width: 0; } to { width: 20ch; } }
@keyframes boot-line { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .boot .cmd, .boot li, .boot ul::after { animation: none; }
}

/* Artigo */
.story { max-width: 42rem; }
.story h1 {
  margin: 0.5rem 0 0.6rem; font: 700 clamp(1.5rem, 3.4vw, 2.2rem)/1.2 var(--mono); letter-spacing: -0.015em;
}
.dateline { margin: 0 0 1.25rem; color: var(--muted); font-family: var(--mono); font-size: 0.9rem; }
.story .rating { flex-direction: row; align-items: center; gap: 0.9rem; max-width: 14rem; margin-bottom: 1.25rem; }
.story .rating .gauge { flex: 1; }
.standfirst {
  margin: 0 0 2rem; padding-left: 1rem; border-left: 3px solid var(--sev, var(--line));
  font-size: 1.15rem; line-height: 1.6;
}
.prose { font-size: 1.05rem; line-height: 1.75; }
.prose h2, .prose h3 { font-family: var(--mono); line-height: 1.3; margin: 2rem 0 0.6rem; color: var(--text); }
.prose h2 { font-size: 1.3rem; }
.prose h2::before { content: "## "; color: var(--accent); }
.prose h3 { font-size: 1.1rem; }
.prose h3::before { content: "### "; color: var(--accent); }
.prose p, .prose ul, .prose ol, .prose blockquote, .prose pre { margin: 0 0 1.1rem; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li { margin-bottom: 0.4rem; }
.prose blockquote { padding: 0.1rem 0 0.1rem 1rem; border-left: 3px solid var(--line); color: var(--muted); }
.prose code { font-family: var(--mono); font-size: 0.9em; background: var(--panel); padding: 0.1rem 0.3rem; }
.prose pre { background: var(--panel); border: 1px solid var(--line); padding: 0.9rem 1rem; overflow-x: auto; }
.prose pre code { background: none; padding: 0; }

.sources { margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.sources h2 { margin: 0 0 0.6rem; font: 700 1.05rem var(--mono); }
.sources ol { margin: 0; padding-left: 1.3rem; }
.sources li { margin-bottom: 0.4rem; }
.sources .host { color: var(--muted); font: 0.85rem var(--mono); margin-left: 0.5rem; }
.caveat {
  margin: 2rem 0 0; padding: 0.8rem 1rem; border: 1px solid var(--line);
  color: var(--muted); font-size: 0.92rem;
}

.foot { max-width: 72rem; margin: 0 auto; padding: 1.25rem; border-top: 1px solid var(--line); color: var(--muted); font: 0.85rem var(--mono); }
.foot p { margin: 0; max-width: 70ch; }
.foot .wordmark {
  margin: 0 0 1rem; font: 700 clamp(2rem, 8vw, 4.5rem)/1 var(--mono); letter-spacing: -0.02em;
  color: var(--accent); text-shadow: 0 0 14px rgba(57, 255, 136, 0.35);
}
.foot .wordmark::after { content: "_"; animation: wm-blink 1.1s steps(1) infinite; }
@keyframes wm-blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  .foot .wordmark::after { animation: none; }
}

@media (max-width: 40rem) {
  .entry { grid-template-columns: 1fr; gap: 0.4rem; }
  .entry .rating { flex-direction: row; align-items: center; gap: 0.75rem; }
  .entry .rating .gauge { width: 6rem; }
}