:root {
  --bg: #100f0d;
  --ink: #f1ece2;
  --ink-dim: #8a8478;
  --accent: #b5432c;
  --spine-width: 3px;
  --font-display: "Fraunces", serif;
  --font-sans: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

.coffee-gif {
  width: 300px;
}

.frame {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}

/* --- espinha --- */

.spine {
  position: relative;
  padding: 3rem 2rem 3rem 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
}

.spine-line {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: var(--spine-width);
  background: var(--ink);
  opacity: 0.9;
}

.site-title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.4rem;
  margin-bottom: 4rem;
  letter-spacing: 0.02em;
}

.tabs {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: lowercase;
}

.tabs a {
  color: var(--ink-dim);
  transition: color 0.15s ease;
}

.tabs a:hover,
.tabs a.is-active {
  color: var(--accent);
}

/* --- conteúdo --- */

.content {
  padding: 3rem 3rem 6rem 3.5rem;
  max-width: 720px;
}

.page-heading {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 2.2rem;
  margin: 0 0 3rem;
}

/* --- listagem de escrita, agrupada por mês --- */

.month-heading {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--accent);
  margin: 3rem 0 1rem;
}

.month-heading:first-child {
  margin-top: 0;
}

.entry {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.6rem 0;
  border-top: 1px solid rgba(241, 236, 226, 0.12);
  position: relative;
}

.entry::before {
  content: "";
  position: absolute;
  left: -3.5rem;
  top: 50%;
  width: 1.5rem;
  height: 1px;
  background: var(--ink-dim);
}

.entry-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-dim);
  min-width: 2ch;
}

.entry-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.entry a:hover .entry-title {
  color: var(--accent);
}

/* --- ilustração --- */

.gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}

.gallery figure {
  margin: 0;
  overflow: hidden;
  position: relative;
}

.gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(15%) contrast(1.05);
}

.gallery figcaption {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-dim);
  padding: 0.4rem 0;
}

/* --- eu --- */

.prose {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.15rem;
  line-height: 1.75;
  text-align: justify;
  hyphens: auto;
}

.prose p {
  margin: 0 0 1.3rem;
}

/* --- responsivo --- */

@media (max-width: 720px) {
  .frame {
    grid-template-columns: 1fr;
    align-content: start;
  }
  .spine {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
  }
  .spine-line {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: var(--spine-width);
  }
  .site-title { margin-bottom: 0; }
  .tabs { flex-direction: row; gap: 1rem; }
  .content { padding: 2rem 1.5rem; }
  .entry::before { display: none; }
  .gallery { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .spine {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 1rem;
    padding: 1.25rem;
  }
  .site-title { font-size: 1.2rem; }
  .tabs { gap: 0.85rem; flex-wrap: wrap; }
  .content { padding: 1.5rem 1.25rem; }
  .page-heading { font-size: 1.7rem; margin-bottom: 2rem; }
  .prose { font-size: 1.05rem; }
}