@font-face { font-family: "Fraunces"; font-style: normal; font-weight: 500 600; font-display: swap; src: url(fonts/fraunces.woff2) format("woff2"); }
@font-face { font-family: "Fraunces"; font-style: italic; font-weight: 500; font-display: swap; src: url(fonts/fraunces-italic.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400 600; font-display: swap; src: url(fonts/plex-sans.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url(fonts/plex-mono-400.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url(fonts/plex-mono-500.woff2) format("woff2"); }

:root {
  --bg: #FAFAF8;
  --surface: #FFFFFF;
  --surface-2: #F1F0EA;
  --text: #1B1F23;
  --text-2: #5B6470;
  --border: #E1E4DE;
  --accent: #2A6F6F;
  --accent-soft: #E4F0EF;
  --accent-ink: #1D4F4F;
  --warn: #A85A16;
  --warn-soft: #FBEEDD;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14181B;
    --surface: #1D2226;
    --surface-2: #242A2E;
    --text: #E8EAE6;
    --text-2: #9AA3AA;
    --border: #2A3034;
    --accent: #4FB8B8;
    --accent-soft: #1E3A3A;
    --accent-ink: #BFE8E8;
    --warn: #E0A659;
    --warn-soft: #3A2E1C;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #14181B;
  --surface: #1D2226;
  --surface-2: #242A2E;
  --text: #E8EAE6;
  --text-2: #9AA3AA;
  --border: #2A3034;
  --accent: #4FB8B8;
  --accent-soft: #1E3A3A;
  --accent-ink: #BFE8E8;
  --warn: #E0A659;
  --warn-soft: #3A2E1C;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  background: var(--bg);
  color: var(--text);
  margin: 0;
  padding-inline: 20px;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  font: 14px/1.5 "IBM Plex Sans", system-ui, -apple-system, sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; }

header {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  background: var(--bg);
  padding-block: 20px 12px;
  z-index: 5;
  border-bottom: 1px solid var(--border);
}
h1 {
  font-family: "Fraunces", Georgia, serif;
  font-optical-sizing: auto;
  font-weight: 600;
  font-size: clamp(1.9rem, 6vw, 2.5rem);
  margin: 0 0 4px;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
h1 em { font-style: italic; color: var(--accent); }
.tagline {
  color: var(--text-2);
  font-size: 0.95rem;
  margin: 0 0 16px;
  max-width: 52ch;
}

.controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  padding-bottom: 14px;
}
#search {
  flex: 1 1 180px;
  min-width: 0;
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
}
#search::placeholder { color: var(--text-2); }
#search:focus, .chip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
/* One scrollable row, so years of themes never make the sticky header tall. */
.chips {
  display: flex;
  gap: 6px;
  flex: 1 1 100%;
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: 2px;
  /* Fade the edge so a chip running off-screen reads as "swipe for more", not a clipped layout. */
  -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 36px), transparent);
  mask-image: linear-gradient(to right, #000 calc(100% - 36px), transparent);
  padding-right: 36px; /* the last chip can scroll clear of the fade */
}
/* On phones, let the row run to the screen edge, like a native carousel. */
@media (max-width: 600px) {
  .chips {
    margin-inline: -20px;
    padding-left: 20px;
    scroll-padding-left: 20px;
    scrollbar-width: none;
  }
  .chips::-webkit-scrollbar { display: none; }
}
.chip {
  flex: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
}
.chip[aria-pressed="true"] {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}

main { padding-block: 22px 60px; }

.day { margin-bottom: 40px; scroll-margin-top: 190px; }
.day-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.day-date {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-2);
  text-decoration: none;
}
.day-date:hover { text-decoration: underline; }
.day-theme {
  font-size: 0.85rem;
  color: var(--accent-ink);
  background: var(--accent-soft);
  border-radius: 6px;
  padding: 2px 8px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 12px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.card h3 {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  font-size: 1.25rem;
  margin: 0 0 6px;
}
.card h3 a { color: inherit; text-decoration: none; }
.card h3 a:hover, .card h3 a:focus-visible { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.vs {
  display: inline-block;
  font-size: 0.72rem;
  font-family: "IBM Plex Mono", monospace;
  color: var(--warn);
  background: var(--warn-soft);
  border-radius: 5px;
  padding: 2px 6px;
  margin-bottom: 8px;
}
.vs b { font-weight: 600; }
.meaning { font-size: 0.92rem; margin: 0 0 8px; }
.example {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  color: var(--text-2);
  margin: 0;
  padding-left: 10px;
  border-left: 2px solid var(--border);
}
.vs-example { margin-top: 8px; border-left-color: var(--warn-soft); }
.vs-tag {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--warn);
}

.exercise {
  margin-top: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 12px 16px;
}
.exercise .label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-ink);
  display: block;
  margin-bottom: 4px;
}
.exercise p { margin: 0; font-size: 0.92rem; }

.empty, .status {
  color: var(--text-2);
  font-size: 0.9rem;
  padding: 30px 0;
  text-align: center;
}

/* Word pages (/w/<word>/) */
.brand {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  font-size: 1.5rem;
  margin: 0;
}
.brand a { color: inherit; text-decoration: none; }
.brand em { font-style: italic; color: var(--accent); }
.word-page main { padding-block: 28px 60px; }
.word-page h1 {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  font-size: clamp(1.6rem, 5vw, 2.1rem);
  margin: 0 0 10px;
  text-wrap: balance;
}
.word-page h1 .vs-word { color: var(--warn); font-style: italic; font-weight: 500; }
.word-page .card { padding: 20px 22px; }
.word-page .meaning { font-size: 1.05rem; }
.word-page .example { font-size: 0.9rem; }
.from { color: var(--text-2); font-size: 0.9rem; margin: 18px 0 8px; }
.from a, .related a, .tagline a { color: var(--accent); }
.related { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.related a {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  text-decoration: none;
  font-size: 0.88rem;
}
.related a:hover { border-color: var(--accent); }
.word-page header { position: static; }

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 20px 48px;
  color: var(--text-2);
  font-size: 0.88rem;
}
.site-footer h2.section, .word-page h2.section {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-2);
  margin: 0 0 10px;
}
.word-page main h2.section { margin-top: 28px; }
.site-footer p { margin: 18px 0 0; }
.site-footer a { color: var(--accent); }
.related .count { color: var(--text-2); font-size: 0.78rem; margin-left: 2px; }
.pager { display: flex; justify-content: space-between; gap: 12px; font-size: 0.9rem; margin-top: 8px; }
.pager a { color: var(--accent); }
.share { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; color: var(--text-2); font-size: 0.85rem; margin: 14px 0; }
.share a { color: var(--accent); }