@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700&family=VT323&display=swap');

:root {
  --primary: #00ff41;
  --bg: #0a0a0a;
  --secondary-bg: #121212;
  --input-bg: #1a1a1a;
  --border: #003b00;
  --error: #ff5555;
}

body {
  font-family: 'JetBrains Mono', 'VT323', monospace;
  margin: 0;
  padding: 10px;
  background-color: var(--bg);
  color: var(--primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  line-height: 1.5;
  font-weight: 300;
  text-align: center;
}

.enigma-machine {
  max-width: 800px;
  width: 100%;
  margin: 20px auto;
  background-color: var(--secondary-bg);
  padding: 2rem;
  border: 1px solid var(--border);
  box-sizing: border-box;
}

h1, h2, h3 {
  color: var(--primary);
  margin: 1.5rem 0;
  font-weight: 700;
  letter-spacing: 0.05em;
}

h1 {
  font-size: 2rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}

.section {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background-color: var(--secondary-bg);
  border: 1px solid var(--border);
}

/* Rotor Display */
.rotor-display {
  display: flex;
  justify-content: center;
  gap: 1rem;
  font-size: 3rem;
  margin: 2rem 0;
  font-family: 'VT323', monospace;
}

.rotor-letter {
  display: inline-block;
  width: 4rem;
  height: 4rem;
  line-height: 4rem;
  text-align: center;
  background-color: var(--bg);
  border: 1px solid var(--primary);
  transition: all 0.2s ease;
}

.rotor-letter.active {
  background-color: var(--primary);
  color: var(--bg);
}

/* Configuration Controls */
.control-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
  align-items: center;
}

.control-group label {
  min-width: 120px;
  color: var(--primary);
}

select, input, button {
  background-color: var(--input-bg);
  color: var(--primary);
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.2s ease;
}

select:focus, input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}

input[type="number"] {
  width: 4rem;
  text-align: center;
}

/* Plugboard */
.plugboard-pair {
  display: inline-flex;
  align-items: center;
  background-color: var(--input-bg);
  padding: 0.5rem 1rem;
  margin: 0.5rem;
  border: 1px dashed var(--border);
}

.plugboard-pair button {
  background: none;
  border: none;
  color: var(--error);
  margin-left: 0.5rem;
  cursor: pointer;
  padding: 0;
}

/* Buttons */
button {
  cursor: pointer;
  background-color: var(--input-bg);
  padding: 0.75rem 1.5rem;
}

button:hover {
  background-color: var(--primary);
  color: var(--bg);
}

/* Text Areas */
textarea {
  width: 100%;
  min-height: 8rem;
  padding: 1rem;
  background-color: var(--input-bg);
  color: var(--primary);
  border: 1px solid var(--border);
  font-family: inherit;
  resize: vertical;
  margin: 1rem 0;
}

/* Responsive */
@media (max-width: 768px) {
  .enigma-machine {
    padding: 1rem;
  }
  
  .rotor-display {
    font-size: 2rem;
  }
  
  .rotor-letter {
    width: 3rem;
    height: 3rem;
    line-height: 3rem;
  }
  
  .control-group {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .control-group label {
    min-width: auto;
  }
}