:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --border-color: #30363d;
  --text-primary: #c9d1d9;
  --text-secondary: #8b949e;
  --accent-blue: #58a6ff;
  --accent-green: #3fb950;
  --accent-red: #f85149;
  --accent-yellow: #d29922;
  --shadow: rgba(0, 0, 0, 0.3);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  padding: 5px 20px;
}


.logo-bracket {
  color: var(--accent-blue);
  font-weight: 300;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
}

.stats-bar {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.5rem 2rem;
  border-right: 1px solid var(--border-color);
}

.stat-item:last-child {
  border-right: none;
}

.stat-item.highlight {
  background: linear-gradient(135deg, rgba(88, 166, 255, 0.1), rgba(63, 185, 80, 0.1));
  border-radius: 6px;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent-blue);
}

.stat-item.highlight .stat-value {
  color: var(--accent-green);
}

.editor-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.editor-panel {
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.button-group {
  display: flex;
  gap: 0.5rem;
}

.btn {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.btn-primary {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
}

.btn-primary:hover {
  background: #4a8fd8;
  border-color: #4a8fd8;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(88, 166, 255, 0.3);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--bg-primary);
  border-color: var(--accent-blue);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

textarea {
  flex: 1;
  padding: 1.25rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: none;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  resize: none;
  min-height: 400px;
  outline: none;
}

textarea::placeholder {
  color: var(--text-secondary);
}

textarea:focus {
  background: #0a0e13;
}

.error-message {
  display: none;
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
  background: rgba(248, 81, 73, 0.1);
  border: 1px solid var(--accent-red);
  border-radius: 8px;
  color: var(--accent-red);
  font-size: 0.9rem;
}

.error-message.show {
  display: block;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.info-section {
  padding: 2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  text-align: center;
}

.info-section h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.info-section p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.features {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.feature {
  padding: 0.75rem 1.5rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--text-primary);
}

@media (max-width: 968px) {
  .editor-container {
    grid-template-columns: 1fr;
  }

  .stats-bar {
    flex-direction: column;
    gap: 0.5rem;
  }

  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem;
  }

  .stat-item:last-child {
    border-bottom: none;
  }

  h1 {
    font-size: 2rem;
  }
}