:root {
  --page-bg: #0a0a0f;
  --text: #e6e8ef;
  --muted: #9aa0b8;
  --accent: #00f5d4;
  --accent-ink: #04140f;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --border-color: rgba(255, 255, 255, 0.08);
  --radius: 12px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  --focus-ring: 0 0 0 3px rgba(0, 245, 212, 0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 10% -10%, #14141f 0%, #0a0a0f 40%, #0a0a0f 100%);
  color: var(--text);
}

.page-header {
  text-align: center;
  padding: 28px 16px 12px;
}

.page-header h1 {
  margin: 0 0 6px;
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 700;
}

.page-header__subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.page-header__back {
  margin: 8px 0 0;
  font-size: 13px;
}

.page-header__link {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.page-header__link:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.container { max-width: 960px; margin: 20px auto 80px; padding: 0 16px; }

/* Search box + suggestions */

.search {
  position: relative;
  max-width: 640px;
  margin: 0 auto 40px;
}

.search__box {
  position: relative;
  display: flex;
  align-items: center;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  box-shadow: var(--shadow);
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.search__box:focus-within {
  border-color: var(--accent);
  box-shadow: var(--focus-ring);
}

.search__icon {
  position: absolute;
  left: 14px;
  width: 18px;
  height: 18px;
  color: var(--muted);
  pointer-events: none;
}

.search__input {
  width: 100%;
  padding: 14px 44px 14px 42px;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  outline: none;
}

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

.search__clear {
  position: absolute;
  right: 8px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.search__clear:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.search__suggestions {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  z-index: 10;
  margin: 0;
  padding: 6px;
  list-style: none;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  box-shadow: var(--shadow);
  max-height: 320px;
  overflow-y: auto;
}

.search__suggestion {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
}

.search__suggestion:hover,
.search__suggestion--active {
  background: rgba(0, 245, 212, 0.12);
}

.search__suggestion-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.search__suggestion-category {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 12px;
}

mark {
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 2px;
  padding: 0 1px;
}

/* Results */

.results__count {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.results__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.results__card {
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.results__card:hover {
  transform: translateY(-3px);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow);
}

.results__card-title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
}

.results__card-category {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(0, 245, 212, 0.24);
  background: rgba(0, 245, 212, 0.08);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.results__card-desc {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.results__empty {
  grid-column: 1 / -1;
  margin: 40px 0;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

/* ─────────────────────────────────────────────────────────
   Mobile-first responsive enhancements
   ───────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .page-header {
    padding: 20px 16px 10px;
  }

  .page-header h1 {
    font-size: 22px;
  }

  .page-header__subtitle {
    font-size: 13px;
    line-height: 1.5;
  }

  .container {
    margin: 16px auto 40px;
    padding: 0 12px;
  }
}

@media (max-width: 480px) {
  .search__input {
    padding: 12px 40px 12px 38px;
    font-size: 14px;
  }

  .search__icon {
    left: 12px;
    width: 16px;
    height: 16px;
  }

  .results__grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .results__card {
    padding: 14px;
  }
}