:root {
  --neon-green: #00ff88;
  --neon-cyan: #00e5ff;
  --neon-pink: #ff007f;
  --neon-purple: #bf5fff;
  --bg: #080810;
  --bg-card: rgba(0, 255, 136, 0.04);
  --text-primary: #e0e0e0;
  --text-muted: #5a7a6a;
  --border: rgba(0, 255, 136, 0.25);
  --border-cyan: rgba(0, 229, 255, 0.2);
  --glow-green: 0 0 8px #00ff88, 0 0 20px rgba(0, 255, 136, 0.3);
  --glow-cyan: 0 0 8px #00e5ff, 0 0 20px rgba(0, 229, 255, 0.3);
  --glow-pink: 0 0 8px #ff007f, 0 0 20px rgba(255, 0, 127, 0.3);
  --radius: 2px;
  --font-mono: 'Share Tech Mono', monospace;
  --font-display: 'Orbitron', sans-serif;
  --transition: all 0.15s ease;
}

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

body {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg);
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 255, 136, 0.015) 2px,
    rgba(0, 255, 136, 0.015) 4px
  );
  width: 380px;
  min-height: 400px;
}

/* Visually hidden but accessible to screen readers */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.container {
  padding: 20px;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

h1 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--neon-green);
  text-shadow: var(--glow-green);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.subtitle {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Stats Section */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
  animation: fadeSlideIn 0.3s ease both;
}

.stat-card:nth-child(1) { animation-delay: 0ms; }
.stat-card:nth-child(2) { animation-delay: 60ms; }

.stat-card:hover {
  border-color: var(--neon-cyan);
  box-shadow: var(--glow-cyan);
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  display: block;
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Selector Section */
.selector {
  margin-bottom: 20px;
}

.section-heading {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--neon-green);
  margin-bottom: 10px;
}

#selector-list {
  max-height: 200px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-right: 2px;
}

#selector-list::-webkit-scrollbar {
  width: 4px;
}

#selector-list::-webkit-scrollbar-track {
  background: transparent;
}

#selector-list::-webkit-scrollbar-thumb {
  background: var(--neon-green);
  border-radius: 2px;
}

.selector-loading {
  color: var(--text-muted);
  font-size: 12px;
  padding: 8px;
  letter-spacing: 1px;
}

.selector-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 8px;
  transition: var(--transition);
  animation: fadeSlideIn 0.3s ease both;
}

.selector-item:hover {
  border-color: var(--neon-green);
}

.selector-item--group {
  margin-left: 20px;
  border-color: var(--border-cyan);
}

.selector-item--group:hover {
  border-color: var(--neon-cyan);
}

.selector-item .checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  border-radius: 0;
  cursor: pointer;
  user-select: none;
}

.selector-item .checkbox-label:hover {
  background: none;
}

.selector-item-title {
  font-size: 12px;
  color: var(--text-primary);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.selector-item-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: auto;
  white-space: nowrap;
  flex-shrink: 0;
}

.selector-item-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.selector-actions {
  display: flex;
  gap: 16px;
  margin-top: 8px;
}

.btn-link {
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--neon-cyan);
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: var(--transition);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.btn-link:hover {
  color: var(--neon-green);
  text-shadow: var(--glow-green);
}

.btn-link:focus {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 2px;
}

/* Options Section */
.options {
  margin-bottom: 20px;
}

.option-group {
  margin-bottom: 10px;
  animation: fadeSlideIn 0.3s ease both;
}

.option-group:nth-child(2) { animation-delay: 0ms; }
.option-group:nth-child(3) { animation-delay: 60ms; }
.option-group:nth-child(4) { animation-delay: 120ms; }

.checkbox-label {
  display: flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
  padding: 7px 8px;
  border-radius: var(--radius);
  transition: var(--transition);
  border: 1px solid transparent;
}

.checkbox-label:hover {
  background: rgba(0, 255, 136, 0.05);
  border-color: var(--border);
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-right: 10px;
  cursor: pointer;
  accent-color: var(--neon-green);
  flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:focus {
  outline: 2px solid var(--neon-green);
  outline-offset: 2px;
}

.checkbox-label span {
  font-size: 13px;
}

.help-text {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
  margin-left: 26px;
}

/* Actions Section */
.actions {
  margin-bottom: 16px;
}

.btn {
  width: 100%;
  padding: 12px 20px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn:focus {
  outline: 2px solid var(--neon-green);
  outline-offset: 2px;
}

.btn-primary {
  background: transparent;
  color: var(--neon-green);
  border: 1px solid var(--neon-green);
  box-shadow: inset 0 0 12px rgba(0, 255, 136, 0.05);
}

.btn-primary:hover:not(:disabled) {
  background: rgba(0, 255, 136, 0.08);
  box-shadow: var(--glow-green);
}

.btn-primary:active:not(:disabled) {
  background: rgba(0, 255, 136, 0.15);
  box-shadow: none;
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-icon {
  font-size: 16px;
}

.status-message {
  margin-top: 10px;
  padding: 10px;
  border-radius: var(--radius);
  font-size: 12px;
  text-align: center;
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.5px;
}

.status-message.success {
  background: rgba(0, 255, 136, 0.07);
  color: var(--neon-green);
  border: 1px solid var(--neon-green);
  text-shadow: var(--glow-green);
}

.status-message.error {
  background: rgba(255, 0, 127, 0.07);
  color: var(--neon-pink);
  border: 1px solid var(--neon-pink);
  text-shadow: var(--glow-pink);
}

.status-message.loading {
  background: rgba(0, 229, 255, 0.07);
  color: var(--neon-cyan);
  border: 1px solid var(--neon-cyan);
}

/* Footer */
.footer {
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.footer-text {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
}

kbd {
  display: inline-block;
  padding: 1px 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--neon-cyan);
}

/* Animations */
@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.btn-icon.loading {
  animation: spin 1s linear infinite;
}