:root {
  color-scheme: light;
  --ink: #1a221c;
  --ink-soft: #3d4a40;
  --mist: #f3efe6;
  --paper: #faf7f0;
  --card: rgba(255, 255, 255, 0.62);
  --ember: #e35a1c;
  --leaf: #2f6b4f;
  --line: rgba(26, 34, 28, 0.14);
  --font-display: "Bricolage Grotesque", "PingFang SC", "Hiragino Sans", "Noto Sans", "Segoe UI", sans-serif;
  --font-body: "Source Serif 4", "Songti SC", "PingFang SC", "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif CJK SC", "Geeza Pro", "Noto Naskh Arabic", "Thonburi", "Noto Sans Thai", Georgia, serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #f4f0e6;
  --ink-soft: #c9d2c8;
  --mist: #101512;
  --paper: #1a221c;
  --card: rgba(26, 34, 28, 0.72);
  --ember: #ff8a4a;
  --leaf: #8fceb0;
  --line: rgba(244, 240, 230, 0.16);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --ink: #f4f0e6;
    --ink-soft: #c9d2c8;
    --mist: #101512;
    --paper: #1a221c;
    --card: rgba(26, 34, 28, 0.72);
    --ember: #ff8a4a;
    --leaf: #8fceb0;
    --line: rgba(244, 240, 230, 0.16);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(900px 480px at 0% -10%, rgba(227, 90, 28, 0.16), transparent 55%),
    linear-gradient(180deg, var(--paper), var(--mist));
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
}

a {
  color: var(--ember);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  max-width: 46rem;
  margin: 0 auto;
  padding: 1rem 1.15rem 0;
}

.mark {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  text-decoration: none;
}

.mark img {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.4rem;
}

.tools {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tools select,
.tools button {
  min-height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: var(--card);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.95rem;
}

.tools select {
  max-width: 9.5rem;
  padding: 0 0.55rem;
}

.tools button {
  padding: 0 0.85rem;
  font-weight: 650;
  cursor: pointer;
}

.tools select:focus,
.tools button:focus {
  outline: 2px solid var(--ember);
  outline-offset: 2px;
}

main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1.25rem 1.15rem 2.5rem;
}

article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.25rem 1.15rem 1.5rem;
}

article h1 {
  margin: 0.35rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

article h2 {
  margin: 1.35rem 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.35;
}

article p,
article li {
  margin: 0.45rem 0;
}

article ul {
  margin: 0.35rem 0 0.6rem;
  padding-inline-start: 1.2rem;
}

.eyebrow {
  margin: 0;
  color: var(--leaf);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.meta {
  color: var(--ink-soft);
}

.foot {
  max-width: 46rem;
  margin: 0 auto;
  padding: 0 1.15rem 2.25rem;
  color: var(--ink-soft);
  font-family: var(--font-display);
  font-size: 0.92rem;
}

.foot p {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.75rem;
  margin: 0.35rem 0;
}

.foot a {
  color: inherit;
}

[hidden] {
  display: none !important;
}

@media (max-width: 640px) {
  .top {
    align-items: flex-start;
    flex-direction: column;
  }

  .tools,
  .tools select {
    width: 100%;
    max-width: none;
  }

  .tools button {
    flex: 0 0 auto;
  }
}