/* Palette: "amber phosphor field notes"
   ink:      #10161D  (deep slate-blue background)
   panel:    #17202A
   line:     #26313D
   text:     #D7DEE6
   dim:      #7E8B99
   amber:    #E8A33D  (single accent — old amber-phosphor terminals)
   writeup:  #6FB3A0  (muted teal, write-up badge only)
*/
:root {
  --ink: #10161d;
  --panel: #17202a;
  --line: #26313d;
  --text: #d7dee6;
  --dim: #7e8b99;
  --amber: #e8a33d;
  --teal: #6fb3a0;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.65;
}
.wrap { max-width: 780px; margin: 0 auto; padding: 0 1.25rem; }
.mono { font-family: var(--mono); font-size: 0.85em; }
.dim { color: var(--dim); }
a { color: var(--text); text-decoration-color: var(--amber); text-underline-offset: 3px; }
a:hover { color: var(--amber); }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; border-radius: 2px; }
.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--amber); color: var(--ink);
  padding: 0.5rem 1rem; z-index: 10;
}
.skip-link:focus { left: 0; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: baseline; justify-content: space-between; padding-top: 1.1rem; padding-bottom: 1.1rem; }
.brand { font-family: var(--mono); font-weight: 500; text-decoration: none; font-size: 1rem; }
.prompt { color: var(--amber); }
.nav-links { display: flex; gap: 1.5rem; list-style: none; margin: 0; padding: 0; }
.nav-links a { font-family: var(--mono); font-size: 0.85rem; text-decoration: none; color: var(--dim); }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--amber); }

/* Hero */
.hero { padding: 4.5rem 0 2.5rem; }
.eyebrow { color: var(--amber); letter-spacing: 0.02em; margin: 0 0 0.75rem; }
.hero h1 { font-size: clamp(1.8rem, 5vw, 2.6rem); line-height: 1.2; font-weight: 700; margin: 0 0 1rem; }
.lede { color: var(--dim); max-width: 56ch; }

/* Log-line listings — the signature element */
.section { padding: 2rem 0; border-top: 1px solid var(--line); }
.section-title { color: var(--dim); font-weight: 400; font-size: 0.85rem; margin: 0 0 1.25rem; }
.log { list-style: none; margin: 0; padding: 0; }
.log-line {
  padding: 0.85rem 0 0.85rem 1rem;
  border-left: 2px solid var(--line);
  margin-bottom: 0.35rem;
  transition: border-color 0.15s ease;
}
.log-line:hover { border-left-color: var(--amber); }
.log-line > a { font-weight: 500; text-decoration: none; }
.log-line > a:hover { text-decoration: underline; text-decoration-color: var(--amber); }
.log-line .summary { margin: 0.25rem 0 0; color: var(--dim); font-size: 0.95rem; }
.log-date { display: block; margin-top: 0.4rem; font-size: 0.78rem; }
.badge {
  display: inline-block; font-size: 0.7rem; padding: 0.1rem 0.5rem;
  border: 1px solid var(--line); border-radius: 3px; margin: 0 0.5rem;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.badge-blog { color: var(--amber); border-color: color-mix(in srgb, var(--amber) 40%, transparent); }
.badge-writeup { color: var(--teal); border-color: color-mix(in srgb, var(--teal) 40%, transparent); }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.card {
  display: block; background: var(--panel); border: 1px solid var(--line);
  border-radius: 6px; padding: 1.25rem; text-decoration: none;
  transition: border-color 0.15s ease;
}
.card:hover { border-color: var(--amber); color: var(--text); }
.card h3 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.card p { margin: 0 0 0.5rem; color: var(--dim); font-size: 0.95rem; }
.card .tech { margin: 0; font-size: 0.75rem; }

/* Cover images */
.cover-banner {
  width: 100%; max-height: 340px; object-fit: cover;
  border-radius: 8px; border: 1px solid var(--line); margin-bottom: 1.5rem;
}
.card-cover {
  width: 100%; height: 140px; object-fit: cover;
  border-radius: 4px; border: 1px solid var(--line); margin-bottom: 0.85rem;
}
.log-line.has-thumb { display: flex; gap: 1rem; align-items: flex-start; }
.log-line.has-thumb .log-main { flex: 1; min-width: 0; }
.log-thumb {
  width: 96px; height: 64px; object-fit: cover; flex-shrink: 0;
  border-radius: 4px; border: 1px solid var(--line);
}
@media (max-width: 540px) { .log-thumb { display: none; } }

/* Pages & articles */
.page-title { margin: 2.5rem 0 1.25rem; }
.tagbar { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-bottom: 1.5rem; }
.tagbar a { text-decoration: none; color: var(--dim); font-size: 0.85rem; }
.tagbar a.active, .tagbar a:hover { color: var(--amber); }
.post { padding: 2.5rem 0; }
.post h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); line-height: 1.25; margin: 0.25rem 0 1rem; }
.links { display: flex; gap: 1.25rem; }
.links a { color: var(--amber); }

/* Prose (rendered markdown) */
.prose { margin-top: 1.5rem; }
.prose h2, .prose h3 { margin-top: 2.25rem; line-height: 1.3; }
.prose img { max-width: 100%; border-radius: 6px; border: 1px solid var(--line); }
.prose video { max-width: 100%; border-radius: 6px; border: 1px solid var(--line); }
.prose blockquote { border-left: 2px solid var(--amber); margin-left: 0; padding-left: 1rem; color: var(--dim); }
.prose code { font-family: var(--mono); font-size: 0.88em; background: var(--panel); padding: 0.1em 0.35em; border-radius: 3px; }
.prose pre { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 1rem; overflow-x: auto; }
.prose pre code { background: none; padding: 0; }
.prose table { border-collapse: collapse; width: 100%; }
.prose th, .prose td { border: 1px solid var(--line); padding: 0.5rem 0.75rem; text-align: left; }
.prose a { color: var(--amber); }

/* Inquiry form (About page) */
.inquiry-form { max-width: 560px; }
.form-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-field { margin-bottom: 1rem; }
.form-field label {
  display: block; font-family: var(--mono); font-size: 0.8rem;
  color: var(--dim); margin-bottom: 0.35rem;
}
.inquiry-form input[type="text"],
.inquiry-form input[type="email"],
.inquiry-form textarea {
  width: 100%; background: var(--panel); border: 1px solid var(--line);
  border-radius: 4px; color: var(--text); font-family: var(--sans);
  font-size: 0.95rem; padding: 0.6rem 0.75rem;
}
.inquiry-form input:focus,
.inquiry-form textarea:focus {
  outline: none; border-color: var(--amber);
}
.inquiry-form textarea { resize: vertical; min-height: 8rem; }
.btn {
  background: var(--amber); color: var(--ink); border: none; border-radius: 4px;
  font-family: var(--mono); font-size: 0.9rem; font-weight: 500;
  padding: 0.6rem 1.5rem; cursor: pointer;
}
.btn:hover { filter: brightness(1.1); }
.notice {
  border: 1px solid color-mix(in srgb, var(--teal) 50%, transparent);
  color: var(--teal); border-radius: 4px; padding: 0.75rem 1rem; max-width: 560px;
}
.form-error { color: #e07070; font-size: 0.85rem; margin: 0.35rem 0 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); margin-top: 4rem; padding: 1.5rem 0; }
.site-footer .wrap { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 0.5rem; }

@media (max-width: 540px) {
  .nav-links { gap: 1rem; }
  .hero { padding-top: 3rem; }
}