/* mntl.in blog — shares the console's token system, tuned for long-form reading. */

/* ---------- theme tokens ---------- */
:root {
  /* DARK (default; data-theme=dark, and data-theme=system on a dark OS) */
  --bg: #0a0b0e;
  --bg-card: #101217;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #eceef2;
  --muted: #888d99;
  --faint: #5a5f6b;
  --accent: #c8f135;
  --ink: #0a0b0e;
  --accent-soft: rgba(200, 241, 53, 0.14);
  --glow: rgba(200, 241, 53, 0.10);
  --glow2: rgba(80, 120, 255, 0.07);
  --card-grad: rgba(255, 255, 255, 0.025);
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 40px 90px -40px rgba(0, 0, 0, 0.9);
  --grain: 0.035;
  --radius: 18px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

:root[data-theme="light"] {
  --bg: #edefe8;
  --bg-card: #ffffff;
  --line: rgba(18, 22, 26, 0.10);
  --line-strong: rgba(18, 22, 26, 0.17);
  --text: #15171c;
  --muted: #5b616c;
  --faint: #9aa0ab;
  --accent: #5f8a00;
  --ink: #ffffff;
  --accent-soft: rgba(95, 138, 0, 0.12);
  --glow: rgba(95, 138, 0, 0.12);
  --glow2: rgba(80, 120, 255, 0.06);
  --card-grad: rgba(0, 0, 0, 0.018);
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 30px 70px -34px rgba(20, 32, 44, 0.28);
  --grain: 0.02;
}

@media (prefers-color-scheme: light) {
  :root[data-theme="system"] {
    --bg: #edefe8;
    --bg-card: #ffffff;
    --line: rgba(18, 22, 26, 0.10);
    --line-strong: rgba(18, 22, 26, 0.17);
    --text: #15171c;
    --muted: #5b616c;
    --faint: #9aa0ab;
    --accent: #5f8a00;
    --ink: #ffffff;
    --accent-soft: rgba(95, 138, 0, 0.12);
    --glow: rgba(95, 138, 0, 0.12);
    --glow2: rgba(80, 120, 255, 0.06);
    --card-grad: rgba(0, 0, 0, 0.018);
    --shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 30px 70px -34px rgba(20, 32, 44, 0.28);
    --grain: 0.02;
  }
}

/* ---------- base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  min-height: 100dvh;
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(120% 70% at 50% -10%, var(--glow), transparent 55%),
    radial-gradient(90% 60% at 90% 110%, var(--glow2), transparent 60%),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 44px 44px, 44px 44px;
  background-position: 0 0, 0 0, -1px -1px, -1px -1px;
  background-attachment: fixed;
  position: relative;
  overflow-x: hidden;
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease);
}

.grain {
  position: fixed;
  inset: -50%;
  pointer-events: none;
  z-index: 1;
  opacity: var(--grain);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.skip {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 10;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  transition: top 0.2s var(--ease);
}
.skip:focus { top: 16px; }

.wrap {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(20px, 5vw, 40px) 24px 80px;
}

/* ---------- site header ---------- */
.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: clamp(28px, 6vw, 56px);
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  text-decoration: none;
  color: var(--text);
}
.brand__dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  transform: translateY(-1px);
  align-self: center;
}
.brand__name { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.02em; }
.brand__tld { color: var(--accent); }
.brand__sub {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--faint);
  padding-left: 6px;
}

/* ---------- theme switcher ---------- */
.theme {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-card);
}
.theme__btn {
  display: grid;
  place-items: center;
  width: 30px; height: 30px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.theme__btn svg { width: 16px; height: 16px; }
.theme__btn:hover { color: var(--text); }
.theme__btn.is-active { background: var(--accent-soft); color: var(--accent); }

/* ---------- index feed ---------- */
.feed__intro { margin-bottom: clamp(24px, 5vw, 40px); }
.feed__title {
  font-size: clamp(2rem, 7vw, 2.9rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.02;
}
.feed__tag {
  margin-top: 12px;
  max-width: 46ch;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.cards { list-style: none; display: grid; gap: 14px; }
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--card-grad), transparent 50%), var(--bg-card);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.card__link {
  display: block;
  padding: clamp(18px, 3vw, 26px);
  text-decoration: none;
  color: var(--text);
}
.card__date {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--faint);
}
.card__title {
  margin: 8px 0 8px;
  font-size: clamp(1.25rem, 3.4vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.card__excerpt { color: var(--muted); line-height: 1.6; }
.card__more {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
}
.card__more span { transition: transform 0.2s var(--ease); display: inline-block; }
.card:hover .card__more span { transform: translateX(4px); }
.empty { color: var(--muted); padding: 24px 0; }

/* ---------- article ---------- */
.back {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.back:hover { color: var(--accent); }
.back--bottom { margin-top: 48px; }

.article__head {
  margin: 22px 0 clamp(28px, 5vw, 44px);
  padding-bottom: clamp(20px, 4vw, 32px);
  border-bottom: 1px solid var(--line);
}
.article__date {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--faint);
}
.article__title {
  margin-top: 12px;
  font-size: clamp(1.9rem, 6vw, 2.85rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

/* ---------- prose ---------- */
.prose { font-size: 1.08rem; line-height: 1.78; color: var(--text); }
.prose > * + * { margin-top: 1.35em; }
.prose h2 {
  margin-top: 1.9em;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.prose h3 {
  margin-top: 1.6em;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.prose p { color: var(--text); }
.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--accent-soft);
  transition: text-decoration-color 0.2s var(--ease);
}
.prose a:hover { text-decoration-color: var(--accent); }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li + li { margin-top: 0.5em; }
.prose li { padding-left: 0.2em; }
.prose ul li::marker { color: var(--accent); }
.prose ol li::marker { color: var(--faint); font-family: 'JetBrains Mono', monospace; }
.prose blockquote {
  border-left: 2px solid var(--accent);
  padding-left: 1.1em;
  color: var(--muted);
  font-style: italic;
}
.prose code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.88em;
  padding: 0.12em 0.4em;
  border-radius: 6px;
  background: var(--accent-soft);
}
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.4em 0; }
.prose img { max-width: 100%; height: auto; border-radius: 12px; }

/* ---------- footer ---------- */
.foot {
  margin-top: clamp(48px, 9vw, 88px);
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--faint);
}
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--accent); }
.foot__pulse {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: pulse 2.6s var(--ease) infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 var(--accent-soft); }
  70% { box-shadow: 0 0 0 7px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* ---------- a11y / not-found ---------- */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
  html { scroll-behavior: auto; }
}

.notfound { text-align: center; padding: clamp(60px, 16vw, 140px) 0; }
.notfound__code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: uppercase;
}
.notfound h1 { margin: 14px 0 10px; font-size: clamp(1.8rem, 6vw, 2.6rem); font-weight: 800; letter-spacing: -0.02em; }
.notfound p { color: var(--muted); margin-bottom: 26px; }
.notfound a { color: var(--accent); font-weight: 600; text-decoration: none; }
.notfound a:hover { text-decoration: underline; }