:root {
  --bg: #0b0d12;
  --bg-elev: #12151d;
  --bg-elev-2: #171b25;
  --border: #232936;
  --border-strong: #323a4b;
  --text: #e7ebf3;
  --text-dim: #97a0b4;
  --text-faint: #6b7488;
  --accent: #5b8cff;
  --accent-soft: rgba(91, 140, 255, 0.14);
  --radius: 14px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px -18px rgba(0, 0, 0, 0.9);
}

[data-theme='light'] {
  --bg: #f6f7fb;
  --bg-elev: #ffffff;
  --bg-elev-2: #f0f2f8;
  --border: #e2e6ef;
  --border-strong: #cdd4e2;
  --text: #141822;
  --text-dim: #59617a;
  --text-faint: #838ca3;
  --accent: #2f5fe0;
  --accent-soft: rgba(47, 95, 224, 0.1);
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 12px 28px -20px rgba(16, 24, 40, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(900px 420px at 12% -8%, var(--accent-soft), transparent 65%),
    var(--bg);
  color: var(--text);
  font: 400 16px/1.55 ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  display: flex;
  flex-direction: column;
}

.shell {
  width: min(1120px, 100% - 2.5rem);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: #fff;
  border-radius: 0 0 8px 0;
  z-index: 10;
}

.skip-link:focus {
  left: 0;
}

/* ---------- masthead ---------- */

.masthead {
  border-bottom: 1px solid var(--border);
  padding: 2.25rem 0 1.75rem;
}

.masthead__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1.25rem;
  border: 1px solid var(--border-strong);
}

.brand__title {
  margin: 0;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.brand__subtitle {
  margin: 0.15rem 0 0;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--text-dim);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.theme-toggle:hover {
  color: var(--text);
  border-color: var(--accent);
}

/* ---------- controls ---------- */

.controls {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: 1.75rem 0 0.75rem;
}

.search {
  position: relative;
  max-width: 420px;
}

.search__icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-faint);
  font-size: 1.1rem;
  pointer-events: none;
}

.search__input {
  width: 100%;
  padding: 0.7rem 0.9rem 0.7rem 2.4rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  font: inherit;
  font-size: 0.92rem;
}

.search__input::placeholder {
  color: var(--text-faint);
}

.search__input:focus-visible,
.chip:focus-visible,
.theme-toggle:focus-visible,
.card__link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text-dim);
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.chip:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

.chip.is-active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--text);
}

.result-count {
  margin: 0.35rem 0 1.1rem;
  color: var(--text-faint);
  font-size: 0.82rem;
}

/* ---------- grid ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1rem;
  padding-bottom: 3rem;
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

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

.card__link {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  height: 100%;
  padding: 1.15rem;
  color: inherit;
  text-decoration: none;
  border-radius: var(--radius);
}

.card__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo {
  position: relative;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  overflow: hidden;
}

.logo__img {
  width: 26px;
  height: 26px;
  object-fit: contain;
}

.logo__fallback {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  font-weight: 600;
  font-size: 1.05rem;
  color: #fff;
}

.logo.is-fallback .logo__img {
  display: none;
}

.logo.is-fallback .logo__fallback {
  display: grid;
}

.card__heading {
  min-width: 0;
  flex: 1;
}

.card__title {
  margin: 0;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.card__category {
  margin: 0.1rem 0 0;
  color: var(--text-faint);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.pick {
  flex: 0 0 auto;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.66rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card__summary {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.88rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tags li {
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 0.72rem;
}

.card__cta {
  margin-top: auto;
  padding-top: 0.25rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
}

.card__cta span {
  display: inline-block;
  transition: transform 0.16s ease;
}

.card:hover .card__cta span {
  transform: translateX(3px);
}

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

/* ---------- footer ---------- */

.footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 2rem;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--text-faint);
  font-size: 0.8rem;
}

.footer p {
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}