/* ------------------------------------------------------------------ tokens */
:root {
  --green: #6aaa64;
  --yellow: #c9b458;
  --orange: #ff4500; /* reddit */

  --bg: #ffffff;
  --bg-raised: #f7f7f5;
  --bg-sunken: #efefec;
  --border: #d9d9d4;
  --border-strong: #b9b9b2;
  --text: #16171a;
  --text-muted: #62636a;
  --accent: #4f8f49;
  --accent-contrast: #ffffff;
  --shadow: 0 1px 2px rgb(0 0 0 / 6%), 0 6px 16px -10px rgb(0 0 0 / 20%);

  --radius: 10px;
  --shell: 1120px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  color-scheme: light;
}

/*
 * Dark palette is declared twice on purpose: once for "follow the OS" (which is
 * the default, and covers data-theme="auto" as well as a missing attribute) and
 * once for an explicit dark choice, so the toggle can win in both directions.
 */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #101114;
    --bg-raised: #17181c;
    --bg-sunken: #1e2026;
    --border: #2c2e35;
    --border-strong: #3d4049;
    --text: #e8e9ec;
    --text-muted: #9a9ca6;
    --accent: #7cc074;
    --accent-contrast: #0d1a0c;
    --shadow: 0 1px 2px rgb(0 0 0 / 40%), 0 8px 24px -12px rgb(0 0 0 / 70%);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101114;
  --bg-raised: #17181c;
  --bg-sunken: #1e2026;
  --border: #2c2e35;
  --border-strong: #3d4049;
  --text: #e8e9ec;
  --text-muted: #9a9ca6;
  --accent: #7cc074;
  --accent-contrast: #0d1a0c;
  --shadow: 0 1px 2px rgb(0 0 0 / 40%), 0 8px 24px -12px rgb(0 0 0 / 70%);
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.shell {
  width: min(100% - 2.5rem, var(--shell));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 20;
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 0.5rem 0.9rem;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------------------------------------------------------------- masthead */
.masthead {
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0 1.75rem;
}

.masthead__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.masthead__actions {
  display: flex;
  gap: 0.5rem;
}

.wordmark {
  display: flex;
  gap: 4px;
}

.tile {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 4px;
  border: 2px solid var(--border-strong);
  font: 700 13px/1 var(--mono);
  color: var(--text-muted);
}

.tile--green,
.tile--yellow {
  color: #fff;
  border-color: transparent;
}
.tile--green {
  background: var(--green);
}
.tile--yellow {
  background: var(--yellow);
}

h1 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.9rem, 1.2rem + 2.4vw, 2.9rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.tagline {
  margin: 0 0 1.5rem;
  max-width: 62ch;
  color: var(--text-muted);
  font-size: 1.02rem;
}

.tagline strong {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.contribute-cta {
  margin: 0 0 1.5rem;
  max-width: 62ch;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.contribute-cta a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---------------------------------------------------------------- controls */
.controls {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.search {
  position: relative;
  flex: 1 1 22rem;
  display: flex;
  align-items: center;
}

.search__icon {
  position: absolute;
  left: 0.85rem;
  font-size: 1.2rem;
  color: var(--text-muted);
  pointer-events: none;
}

#search {
  width: 100%;
  padding: 0.7rem 2.4rem 0.7rem 2.5rem;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  appearance: none;
}

#search::-webkit-search-cancel-button {
  display: none;
}

.search__clear {
  position: absolute;
  right: 0.5rem;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0.35rem 0.45rem;
  border-radius: 6px;
}
.search__clear:hover {
  background: var(--bg-sunken);
  color: var(--text);
}

.button {
  font: inherit;
  font-weight: 600;
  padding: 0.7rem 1.05rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
}
.button:hover {
  border-color: var(--accent);
}
.button--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
}
.button--primary:hover {
  filter: brightness(1.07);
}
.button--ghost {
  padding: 0.4rem 0.75rem;
  font-size: 0.88rem;
  font-weight: 500;
}

.icon-button {
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  padding: 0.4rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-muted);
  cursor: pointer;
}
.icon-button:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

/* ----------------------------------------------------------------- filters */
.filters {
  display: grid;
  gap: 0.6rem;
}

.filter-row {
  display: flex;
  gap: 0.7rem;
  align-items: baseline;
}

.filter-row__label {
  flex: 0 0 4.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-top: 0.3rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.chip {
  font: inherit;
  font-size: 0.85rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.chip:hover {
  border-color: var(--border-strong);
  color: var(--text);
}
.chip[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
  font-weight: 600;
}
.chip__count {
  font-size: 0.75rem;
  opacity: 0.7;
  font-variant-numeric: tabular-nums;
}

/* ----------------------------------------------------------------- results */
.results-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 1.75rem 0 0.5rem;
  min-height: 2.2rem;
}

#result-count {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.group {
  margin-bottom: 2.25rem;
}

.group__head {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin: 0 0 0.15rem;
  font-size: 1.15rem;
  scroll-margin-top: 1rem;
}

.group__count {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.group__blurb {
  margin: 0 0 0.9rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 70ch;
}

.grid {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(auto-fill, minmax(19rem, 1fr));
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.85rem 0.95rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.12s ease, transform 0.12s ease, box-shadow 0.12s ease;
}

.card:hover,
.card:focus-within {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.card--reddit {
  border-left: 3px solid var(--orange);
}

.card--flash {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}

.card__title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 650;
  line-height: 1.3;
}

.card__title a {
  text-decoration: none;
}
.card__title a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}
/* Whole card is clickable, but the link stays the real focus target. */
.card__title a::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.card__description {
  margin: 0;
  font-size: 0.89rem;
  color: var(--text-muted);
}

.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: auto;
  padding-top: 0.35rem;
}

.badge {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.1rem 0.45rem;
  border-radius: 5px;
  background: var(--bg-sunken);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.badge--reddit {
  color: var(--orange);
  border-color: color-mix(in srgb, var(--orange) 40%, transparent);
  background: color-mix(in srgb, var(--orange) 10%, transparent);
}

.empty {
  padding: 3rem 0;
  text-align: center;
  color: var(--text-muted);
}

.linkish {
  font: inherit;
  color: var(--accent);
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
}

/* --------------------------------------------------------------- resources */
.resources {
  margin-top: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 1.75rem;
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
}

.resource h2 {
  margin: 0 0 0.2rem;
  font-size: 1.02rem;
}

.resource p {
  margin: 0 0 0.6rem;
  color: var(--text-muted);
  font-size: 0.86rem;
}

.resource ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.3rem;
  font-size: 0.89rem;
}

.resource li span {
  color: var(--text-muted);
}

/* ------------------------------------------------------------------ footer */
.footer {
  margin-top: 3.5rem;
  padding: 1.75rem 0 2.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg-raised);
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer p {
  margin: 0 0 0.35rem;
}

.footer__meta {
  font-size: 0.82rem;
}

@media (max-width: 640px) {
  .filter-row {
    flex-direction: column;
    gap: 0.3rem;
  }
  .filter-row__label {
    padding-top: 0;
  }
  .controls {
    flex-direction: column;
  }
  .button--primary {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .card:hover {
    transform: none;
  }
}