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

body {
  background: linear-gradient(135deg, #0a0a1a 0%, #0a1628 50%, #0a0a1a 100%);
  color: #e8e8e8;
  font-family: 'Inter', -apple-system, sans-serif;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  padding: 2rem 1rem;
}

canvas#matrix {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 0;
  opacity: 0.25;
  pointer-events: none;
}

.container {
  max-width: 880px;
  margin: 0 auto;
  background: rgba(10, 13, 20, 0.85);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  border: 0.5px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.head {
  padding: 1.75rem 2rem 1.5rem;
  border-bottom: 0.5px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}

.name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 26px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.05em;
  margin: 0;
}

.ver {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: #00ff88;
  border: 0.5px solid rgba(0, 255, 136, 0.4);
  padding: 2px 8px;
  border-radius: 3px;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.tag {
  font-size: 13px;
  color: #9a9a9a;
  margin: 0;
  line-height: 1.5;
}

.meta {
  display: flex;
  gap: 20px;
  margin-top: 12px;
  font-size: 11px;
  color: #666;
  flex-wrap: wrap;
}

.meta span { display: flex; align-items: center; gap: 5px; }
.meta strong {
  color: #00ff88;
  font-weight: 500;
  font-family: 'JetBrains Mono', monospace;
}

.body { padding: 1.25rem 2rem; }

.modes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 1.25rem;
}

.mode {
  padding: 11px 13px;
  background: rgba(255, 255, 255, 0.03);
  border: 0.5px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  cursor: pointer;
  text-align: left;
  color: inherit;
  font-family: inherit;
  transition: all 0.15s;
}

.mode:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(0, 255, 136, 0.3);
}

.mode.active {
  border: 1.5px solid #00ff88;
  background: rgba(0, 255, 136, 0.08);
}

.mode-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 3px;
  color: #9a9a9a;
}

.mode.active .mode-label { color: #00ff88; }

.mode-tech {
  font-size: 10px;
  color: #555;
  line-height: 1.3;
  font-family: 'JetBrains Mono', monospace;
}

.search {
  display: flex;
  gap: 8px;
  margin-bottom: 1.25rem;
}

#query {
  flex: 1;
  padding: 11px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 0.5px solid rgba(0, 255, 136, 0.25);
  border-radius: 6px;
  font-size: 13px;
  color: #fff;
  font-family: 'JetBrains Mono', monospace;
  outline: none;
  transition: border 0.15s;
}

#query:focus { border-color: #00ff88; }

#searchBtn {
  padding: 11px 22px;
  background: #00ff88;
  color: #0a0d14;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.15s;
}

#searchBtn:hover { background: #00cc66; }
#searchBtn:disabled { opacity: 0.5; cursor: not-allowed; }

.trace {
  background: rgba(0, 255, 136, 0.04);
  border: 0.5px solid rgba(0, 255, 136, 0.2);
  border-radius: 6px;
  padding: 12px 14px;
  margin-bottom: 1rem;
}

.trace-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: #888;
  margin-bottom: 6px;
}

.trace-row:last-child { margin-bottom: 0; }

.trace-row strong {
  color: #e8e8e8;
  font-weight: 500;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
}

.trace-row .ms {
  color: #00ff88;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
}

.results-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
  font-size: 10px;
  color: #666;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}

.result {
  background: rgba(255, 255, 255, 0.03);
  border: 0.5px solid rgba(255, 255, 255, 0.07);
  border-radius: 6px;
  padding: 11px 14px;
  margin-bottom: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.result:hover {
  border-color: rgba(0, 255, 136, 0.4);
  background: rgba(0, 255, 136, 0.03);
}

.result-title {
  font-size: 13px;
  color: #e8e8e8;
  margin-bottom: 5px;
  font-weight: 500;
  line-height: 1.4;
}

.result-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
}

.result-id {
  color: #666;
  font-family: 'JetBrains Mono', monospace;
}

.result-score {
  color: #00ff88;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
}

.rag-answer {
  background: rgba(0, 255, 136, 0.04);
  border: 0.5px solid rgba(0, 255, 136, 0.2);
  border-radius: 6px;
  padding: 14px 16px;
  margin-bottom: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: #e8e8e8;
}

.rag-label {
  font-size: 10px;
  color: #00ff88;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 8px;
  font-family: 'JetBrains Mono', monospace;
}

.foot {
  padding: 1rem 2rem;
  background: rgba(255, 255, 255, 0.02);
  border-top: 0.5px solid rgba(255, 255, 255, 0.08);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.stat-label {
  font-size: 10px;
  color: #666;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 3px;
}

.stat-val {
  font-size: 16px;
  font-weight: 600;
  color: #00ff88;
  font-family: 'JetBrains Mono', monospace;
}

.stat-val.dim { color: #888; font-weight: 500; }

.stat-unit {
  font-size: 11px;
  color: #555;
  font-weight: 400;
  margin-left: 1px;
}

.stat-cap {
  font-size: 10px;
  color: #555;
  margin-top: 1px;
  font-family: 'JetBrains Mono', monospace;
}

.empty, .error {
  text-align: center;
  padding: 1.5rem;
  font-size: 12px;
  color: #555;
  font-family: 'JetBrains Mono', monospace;
}

.error { color: #ff6b6b; }

@media (max-width: 640px) {
  .modes { grid-template-columns: repeat(2, 1fr); }
  .foot { grid-template-columns: repeat(2, 1fr); }
  .meta { gap: 12px; }
  .head, .body, .foot { padding-left: 1.25rem; padding-right: 1.25rem; }
}