:root {
  --bg: #0b0e14;
  --bg-soft: #11151f;
  --surface: #161b26;
  --line: #232a39;
  --ink: #d7dce5;
  --ink-soft: #8a93a6;
  --ink-dim: #5c6577;
  --accent: #5eead4;
  --accent-2: #7aa2f7;
  --warn: #e0af68;
  --radius: 12px;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --display: "Space Grotesk", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--display);
  background:
    radial-gradient(900px 500px at 90% -10%, rgba(122, 162, 247, 0.08), transparent 60%),
    radial-gradient(700px 400px at 0% 110%, rgba(94, 234, 212, 0.06), transparent 55%),
    var(--bg);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.scanline {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    rgba(255, 255, 255, 0.012) 3px
  );
  z-index: 1;
}

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 28px;
  background: rgba(11, 14, 20, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand-prompt {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 1.1rem;
}

.site-nav {
  display: flex;
  gap: 6px;
  font-family: var(--mono);
  font-size: 0.85rem;
  flex-wrap: wrap;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  padding: 6px 12px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.site-nav a:hover {
  color: var(--accent);
  background: var(--bg-soft);
}

/* ---- Main ---- */
.site-main {
  position: relative;
  z-index: 2;
  max-width: 820px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.list-head {
  margin-bottom: 36px;
}

.page-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-sub {
  margin-top: 6px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.85rem;
}

/* ---- Article list ---- */
.article-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.article-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  transition: transform 0.2s, border-color 0.2s;
}

.article-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-2);
}

.card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.card-cat {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--accent);
  background: rgba(94, 234, 212, 0.1);
  border: 1px solid rgba(94, 234, 212, 0.22);
}

.cat-challs { color: var(--accent-2); background: rgba(122, 162, 247, 0.1); border-color: rgba(122, 162, 247, 0.22); }
.cat-autres { color: var(--warn); background: rgba(224, 175, 104, 0.1); border-color: rgba(224, 175, 104, 0.22); }

.card-date {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-dim);
}

.card-title {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.card-summary {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.card-tags {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.tag {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 3px 9px;
  border-radius: 7px;
  border: 1px solid var(--line);
  transition: color 0.2s, border-color 0.2s;
}

.tag:hover { color: var(--accent); border-color: var(--accent); }

/* ---- Post ---- */
.post-header { margin-bottom: 32px; }

.post-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 12px 0;
  line-height: 1.15;
}

.post-body {
  font-size: 1.05rem;
  color: var(--ink);
}

.post-body h1, .post-body h2, .post-body h3 {
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 1.8em 0 0.6em;
  line-height: 1.25;
}

.post-body h2 { font-size: 1.5rem; padding-bottom: 0.3em; border-bottom: 1px solid var(--line); }
.post-body h3 { font-size: 1.2rem; }

.post-body p { margin: 1em 0; }
.post-body ul, .post-body ol { margin: 1em 0; padding-left: 1.4em; }
.post-body li { margin: 0.4em 0; }

.post-body a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 2px; }
.post-body a:hover { color: var(--accent); }

.post-body blockquote {
  border-left: 3px solid var(--accent);
  background: var(--bg-soft);
  padding: 12px 18px;
  margin: 1.2em 0;
  color: var(--ink-soft);
  border-radius: 0 8px 8px 0;
}

.post-body code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--bg-soft);
  padding: 2px 6px;
  border-radius: 5px;
  border: 1px solid var(--line);
}

.post-body pre {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  overflow-x: auto;
  margin: 1.4em 0;
  font-size: 0.85rem;
  line-height: 1.5;
}

.post-body pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
}

.post-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.4em 0;
  font-size: 0.92rem;
}

.post-body th, .post-body td {
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
}

.post-body th { color: var(--ink-soft); font-family: var(--mono); font-size: 0.85rem; }

.post-footer { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); }

.back-link {
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--accent);
  text-decoration: none;
}

.back-link:hover { text-decoration: underline; }

/* ---- Footer ---- */
.site-footer {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 32px 24px;
  color: var(--ink-dim);
  font-size: 0.82rem;
  font-family: var(--mono);
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.foot-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.empty { color: var(--ink-soft); font-family: var(--mono); }

/* ---- Codehilite (Pygments) palette sombre ---- */
.codehilite .hll { background-color: #2a2f3a; }
.codehilite .c, .codehilite .ch, .codehilite .cm, .codehilite .c1, .codehilite .cs { color: #5c6577; font-style: italic; }
.codehilite .k, .codehilite .kn, .codehilite .kd, .codehilite .kc, .codehilite .kp, .codehilite .kr { color: #7aa2f7; }
.codehilite .s, .codehilite .s1, .codehilite .s2, .codehilite .sb, .codehilite .sc, .codehilite .sd { color: #9ece6a; }
.codehilite .nb, .codehilite .bp { color: #5eead4; }
.codehilite .nf, .codehilite .fm { color: #7dcfff; }
.codehilite .nc, .codehilite .nn { color: #e0af68; }
.codehilite .mi, .codehilite .mf, .codehilite .mh, .codehilite .mo, .codehilite .il { color: #ff9e64; }
.codehilite .o, .codehilite .ow { color: #89ddff; }
.codehilite .nv, .codehilite .vc, .codehilite .vg, .codehilite .vi { color: #d7dce5; }
.codehilite .err { color: #f7768e; }
.codehilite .gd { color: #f7768e; }
.codehilite .gi { color: #9ece6a; }

@media (max-width: 600px) {
  .site-header { flex-direction: column; align-items: flex-start; }
  .site-main { padding: 32px 18px 48px; }
}


/* ---- Articles protégés ---- */
.card-lock {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--warn);
  background: rgba(224, 175, 104, 0.1);
  border: 1px solid rgba(224, 175, 104, 0.25);
  padding: 4px 10px;
  border-radius: 999px;
}

.card-lock-msg {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--warn);
  opacity: 0.9;
}