*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0c0c10;
  --surface: #16161d;
  --surface-hover: #1e1e28;
  --border: #2a2a38;
  --text: #e4e4ec;
  --text-dim: #8888a0;
  --accent: #8b7cf7;
  --accent-dim: rgba(139, 124, 247, 0.15);
  --tag-formal: #4ea8de;
  --tag-casual: #f7a84e;
  --tag-business: #56d6a0;
  --tag-idiom: #e06c9f;
  --tag-proverb: #c084fc;
  --tag-sarcasm: #f87171;
  --tag-polite: #67e8f9;
  --radius: 10px;
  --font: 'Space Grotesk', sans-serif;
  --mono: 'IBM Plex Mono', monospace;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Background orbs */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: .18;
  pointer-events: none;
  z-index: 0;
}
.orb-a { width: 600px; height: 600px; background: var(--accent); top: -200px; left: -100px; }
.orb-b { width: 500px; height: 500px; background: #e06c9f; bottom: -150px; right: -100px; }

/* Layout */
.layout {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

/* Hero */
.hero { text-align: center; margin-bottom: 40px; }
.eyebrow {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--text-dim);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 12px;
}
.hero h1 span { color: var(--accent); }
.hero .sub {
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 540px;
  margin: 0 auto;
}

/* Controls */
.controls {
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
}

#search {
  width: 100%;
  max-width: 480px;
  padding: 12px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font);
  font-size: .95rem;
  outline: none;
  transition: border-color .2s;
}
#search:focus { border-color: var(--accent); }
#search::placeholder { color: var(--text-dim); }

.tag-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.tag-btn {
  font-family: var(--mono);
  font-size: .72rem;
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  transition: all .2s;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.tag-btn:hover { border-color: var(--text-dim); color: var(--text); }
.tag-btn.active { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
}

/* Card */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  transition: border-color .2s, transform .15s;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.card-expression {
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
}

.card-description {
  font-size: .88rem;
  color: var(--text-dim);
  line-height: 1.55;
}

.card-example {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--text-dim);
  background: rgba(139, 124, 247, 0.06);
  border-left: 2px solid var(--accent);
  padding: 8px 12px;
  border-radius: 0 6px 6px 0;
  margin-top: 4px;
  font-style: italic;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.tag {
  font-family: var(--mono);
  font-size: .65rem;
  padding: 2px 8px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
  font-weight: 500;
}
.tag-formal    { background: rgba(78,168,222,.15); color: var(--tag-formal); }
.tag-casual    { background: rgba(247,168,78,.15); color: var(--tag-casual); }
.tag-business  { background: rgba(86,214,160,.15); color: var(--tag-business); }
.tag-idiom     { background: rgba(224,108,159,.15); color: var(--tag-idiom); }
.tag-proverb   { background: rgba(192,132,252,.15); color: var(--tag-proverb); }
.tag-sarcasm   { background: rgba(248,113,113,.15); color: var(--tag-sarcasm); }
.tag-polite    { background: rgba(103,232,249,.15); color: var(--tag-polite); }

.count-label {
  text-align: center;
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--text-dim);
  margin-bottom: 8px;
}

/* Responsive */
@media (max-width: 480px) {
  .grid { grid-template-columns: 1fr; }
  .layout { padding: 32px 16px 60px; }
}