/* sak3th.dev — shared styles */

:root {
  color-scheme: light dark;

  --bg:        #ffffff;
  --bg-soft:   #f6f7f9;
  --bg-card:   #ffffff;
  --border:    #e3e6ea;
  --border-hi: #c9ced6;
  --text:      #14171a;
  --text-dim:  #5b6570;
  --text-mute: #8b949e;
  --accent:    #0a6efd;
  --accent-dim:#dbe8ff;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Helvetica, Arial, sans-serif;
  --radius: 10px;
  --maxw: 760px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #0d1117;
    --bg-soft:   #131920;
    --bg-card:   #131920;
    --border:    #232b36;
    --border-hi: #3a4553;
    --text:      #e7edf3;
    --text-dim:  #9aa7b4;
    --text-mute: #6e7d8c;
    --accent:    #5aa2ff;
    --accent-dim:#16283f;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- header ---- */

header.site {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 60px;
}

.brand {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.brand span { color: var(--accent); }

nav.site a {
  font-size: 14px;
  color: var(--text-dim);
  text-decoration: none;
  margin-left: 20px;
}

nav.site a:hover { color: var(--text); }

/* ---- hero ---- */

.hero { padding: 72px 0 48px; }

.hero h1 {
  font-size: clamp(30px, 6vw, 42px);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
  font-weight: 700;
}

.hero p.lede {
  font-size: 18px;
  color: var(--text-dim);
  margin: 0 0 24px;
  max-width: 58ch;
}

.links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  margin: 0 8px 8px 0;
  transition: border-color .15s, color .15s;
}

.links a:hover { color: var(--text); border-color: var(--border-hi); }

/* ---- sections ---- */

section { padding: 40px 0; }

h2.section {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-mute);
  margin: 0 0 20px;
}

/* ---- project cards ---- */

.projects { display: grid; gap: 12px; }

.project {
  display: block;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: border-color .15s, transform .15s;
}

.project:hover { border-color: var(--border-hi); }

.project h3 {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.01em;
}

.project p {
  margin: 0 0 12px;
  font-size: 14.5px;
  color: var(--text-dim);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-mute);
}

.tag {
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
}

.tag.lang::before {
  content: "";
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 6px;
  vertical-align: middle;
}

/* ---- prose (privacy / terms) ---- */

.prose { padding: 48px 0 24px; }
.prose h1 { font-size: 30px; letter-spacing: -0.02em; margin: 0 0 8px; }
.prose .updated {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-mute);
  margin: 0 0 40px;
}
.prose h2 {
  font-size: 19px;
  letter-spacing: -0.01em;
  margin: 36px 0 10px;
  padding-top: 8px;
}
.prose h3 { font-size: 16px; margin: 24px 0 8px; }
.prose p, .prose li { color: var(--text-dim); font-size: 15.5px; }
.prose ul { padding-left: 22px; }
.prose li { margin-bottom: 6px; }
.prose a { color: var(--accent); }
.prose strong { color: var(--text); font-weight: 600; }

.callout {
  border-left: 3px solid var(--accent);
  background: var(--accent-dim);
  padding: 14px 18px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 24px 0;
}
.callout p { margin: 0; color: var(--text); font-size: 15px; }

/* ---- footer ---- */

footer.site {
  border-top: 1px solid var(--border);
  margin-top: 64px;
  padding: 28px 0 48px;
}

footer.site .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-mute);
}

footer.site a { color: var(--text-mute); text-decoration: none; }
footer.site a:hover { color: var(--text); text-decoration: underline; }
footer.site .foot-links a { margin-left: 16px; }
footer.site .foot-links a:first-child { margin-left: 0; }

/* ---- 404 ---- */

.notfound { padding: 120px 0; text-align: center; }
.notfound .code {
  font-family: var(--mono);
  font-size: 64px;
  font-weight: 700;
  color: var(--accent);
  margin: 0;
  letter-spacing: -0.04em;
}

@media (max-width: 560px) {
  .hero { padding: 48px 0 32px; }
  footer.site .foot-links a { margin: 0 16px 0 0; }
}

/* ---- tables in prose ---- */

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14.5px;
  display: block;
  overflow-x: auto;
}
.prose thead th {
  text-align: left;
  font-family: var(--mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-mute);
  font-weight: 600;
  padding: 0 16px 8px 0;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.prose tbody td {
  padding: 12px 16px 12px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  vertical-align: top;
}
.prose tbody td code {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--accent);
  word-break: break-all;
}

/* ---- app page ---- */

.app-hero { padding: 64px 0 8px; }
.app-hero h1 {
  font-size: clamp(28px, 5.5vw, 38px);
  letter-spacing: -0.03em;
  margin: 0 0 12px;
}
.app-hero .lede {
  font-size: 17.5px;
  color: var(--text-dim);
  max-width: 60ch;
  margin: 0 0 20px;
}
.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 28px 0;
}
.facts div { background: var(--bg-card); padding: 14px 16px; }
.facts dt {
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-mute);
  margin-bottom: 4px;
}
.facts dd { margin: 0; font-size: 14.5px; color: var(--text); }
.facts dd a { color: var(--accent); text-decoration: none; }
.facts dd a:hover { text-decoration: underline; }