:root {
  --bg: #f7f3ea;
  --ink: #1c1914;
  --muted: #5c564c;
  --accent: #0d5c4d;
  --card: #fffdf8;
  --line: #ddd4c4;
  --font-display: "Literata", "Georgia", serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(ellipse at top left, #efe6d4 0%, transparent 50%),
    linear-gradient(180deg, #f7f3ea 0%, #efe8da 100%);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
  min-height: 100vh;
}

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

.wrap {
  width: min(720px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 0.25rem;
}

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

.tagline {
  color: var(--muted);
  margin: 0 0 2rem;
  font-size: 0.95rem;
}

.date-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin: 0 0 1.25rem;
}

.tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.tab {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  cursor: pointer;
  font: inherit;
}

.tab.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.panel {
  display: none;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.25rem 1.35rem;
}

.panel.is-active {
  display: block;
}

.panel h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 0.75rem;
}

.block-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 1.25rem 0 0.4rem;
}

.greek,
.russian {
  white-space: pre-wrap;
  margin: 0;
}

.vocab {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
}

.vocab li {
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--line);
}

.vocab li:last-child {
  border-bottom: 0;
}

.anki {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.55rem 0.9rem;
  border-radius: 8px;
  background: var(--accent);
  color: #fff !important;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}

.date-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.date-list li {
  border-bottom: 1px solid var(--line);
}

.date-list a {
  display: block;
  padding: 0.85rem 0.2rem;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.date-list a:hover {
  color: var(--accent);
}

.footer {
  margin-top: 2.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.nav-home {
  display: inline-block;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}