/* ═══════════════════════════════════════════════════════════════
   NEXUS OS — Regex Tester
   Neon glassmorphism regex testing interface
   ═══════════════════════════════════════════════════════════════ */

.nexus-regex-tester {
  width: 100%; height: 100%;
  background: rgba(10, 5, 20, 0.96);
  border: 1px solid rgba(0, 255, 200, 0.2);
  border-radius: 8px;
  display: flex; flex-direction: column;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  color: #e0e0e0;
  overflow: hidden;
  position: relative;
}

.nexus-regex-tester::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 200, 0.5), transparent);
}

.rx-header {
  padding: 14px 16px;
  background: rgba(0, 255, 200, 0.06);
  border-bottom: 1px solid rgba(0, 255, 200, 0.15);
  display: flex; align-items: center; justify-content: space-between;
}

.rx-header h3 {
  margin: 0; font-size: 13px; font-weight: 600;
  color: #00ffc8;
  text-shadow: 0 0 10px rgba(0, 255, 200, 0.5);
  letter-spacing: 1px;
}

.rx-body {
  flex: 1; overflow-y: auto;
  display: flex; flex-direction: column;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 255, 200, 0.3) transparent;
}

.rx-body::-webkit-scrollbar { width: 6px; }
.rx-body::-webkit-scrollbar-track { background: transparent; }
.rx-body::-webkit-scrollbar-thumb { background: rgba(0, 255, 200, 0.3); border-radius: 3px; }

.rx-pattern-section {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(0, 255, 200, 0.1);
}

.rx-pattern-wrap {
  display: flex; gap: 6px; align-items: center;
}

.rx-slash {
  font-size: 18px; color: #00ffc8;
  font-weight: 300;
}

.rx-pattern-input {
  flex: 1;
  padding: 6px 10px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(0, 255, 200, 0.15);
  border-radius: 4px;
  color: #00ffc8;
  font-size: 13px;
  font-family: inherit;
  outline: none;
}

.rx-pattern-input:focus {
  border-color: rgba(0, 255, 200, 0.4);
  box-shadow: 0 0 8px rgba(0, 255, 200, 0.15);
}

.rx-flags-input {
  width: 60px;
  padding: 6px 8px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(0, 255, 200, 0.15);
  border-radius: 4px;
  color: #ffaa00;
  font-size: 12px;
  font-family: inherit;
  outline: none;
  text-align: center;
}

.rx-flags-input:focus { border-color: rgba(0, 255, 200, 0.4); }

.rx-quick-flags {
  display: flex; gap: 4px; margin-top: 6px;
}

.rx-flag-btn {
  padding: 2px 8px;
  background: rgba(0, 255, 200, 0.08);
  border: 1px solid rgba(0, 255, 200, 0.15);
  border-radius: 3px;
  color: #666;
  font-size: 10px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
}

.rx-flag-btn.active {
  background: rgba(0, 255, 200, 0.15);
  border-color: rgba(0, 255, 200, 0.3);
  color: #00ffc8;
}

.rx-test-section {
  padding: 12px 16px;
  flex: 1;
  display: flex; flex-direction: column; gap: 8px;
}

.rx-test-label {
  font-size: 10px; color: #666;
  text-transform: uppercase; letter-spacing: 0.5px;
}

.rx-test-input {
  width: 100%; min-height: 80px;
  padding: 10px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(0, 255, 200, 0.1);
  border-radius: 5px;
  color: #e0e0e0;
  font-size: 12px;
  font-family: inherit;
  outline: none;
  resize: vertical;
  box-sizing: border-box;
}

.rx-test-input:focus { border-color: rgba(0, 255, 200, 0.3); }

.rx-result-section {
  padding: 12px 16px;
  border-top: 1px solid rgba(0, 255, 200, 0.1);
}

.rx-match-info {
  display: flex; gap: 14px; margin-bottom: 8px;
  font-size: 11px;
}

.rx-match-count { color: #00ffc8; font-weight: 600; }
.rx-match-time { color: #666; }

.rx-highlighted {
  padding: 10px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(0, 255, 200, 0.1);
  border-radius: 5px;
  font-size: 12px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 120px;
  overflow-y: auto;
}

.rx-highlight {
  background: rgba(0, 255, 200, 0.2);
  border: 1px solid rgba(0, 255, 200, 0.3);
  border-radius: 2px;
  padding: 0 2px;
  color: #00ffc8;
}

.rx-groups {
  margin-top: 8px;
  display: flex; flex-direction: column; gap: 4px;
}

.rx-group-item {
  display: flex; gap: 10px;
  padding: 4px 8px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 3px;
  font-size: 11px;
}

.rx-group-name { color: #ffaa00; min-width: 70px; }
.rx-group-value { color: #ccc; flex: 1; }

.rx-categories {
  padding: 8px 16px;
  border-top: 1px solid rgba(0, 255, 200, 0.1);
  flex-shrink: 0;
}

.rx-cat-title {
  font-size: 10px; color: #666;
  text-transform: uppercase; letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.rx-cat-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 4px;
}

.rx-cat-item {
  padding: 4px 8px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 3px;
  font-size: 9px;
  cursor: pointer;
  transition: all 0.15s;
  display: flex; justify-content: space-between;
}

.rx-cat-item:hover {
  border-color: rgba(0, 255, 200, 0.2);
  background: rgba(0, 255, 200, 0.05);
}

.rx-cat-name { color: #999; }
.rx-cat-pattern { color: #00ffc8; font-size: 8px; }

.rx-footer {
  padding: 8px 16px;
  background: rgba(0, 255, 200, 0.04);
  border-top: 1px solid rgba(0, 255, 200, 0.1);
  font-size: 10px;
  color: #555;
  display: flex; justify-content: space-between;
}

.rx-error {
  color: #ff4444; font-size: 11px;
  padding: 6px 10px;
  background: rgba(255, 68, 68, 0.08);
  border: 1px solid rgba(255, 68, 68, 0.2);
  border-radius: 4px;
}