:root {
  --primary: #00205B;
  --accent: #FFB400;
  --bg: #f5f5f5;
  --card: #fff;
  --text: #212121;
  --radius: 10px;
  --maxWidth: 800px;
}

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

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

body > main {
  flex: 1 0 auto;
}

header {
  background: var(--primary);
  color: #fff;
  padding: 30px 0;
  text-align: center;
}

header h1 {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

nav {
  background: var(--accent);
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  padding: 10px 0;
  gap: 15px;
}

nav a {
  color: var(--primary);
  text-decoration: none;
  font-weight: bold;
  font-size: 0.9rem;
  padding: 5px 10px;
  border-radius: 5px;
  transition: background 0.2s;
}

nav a:hover, nav a.active {
  background: rgba(255, 255, 255, 0.3);
}

.container {
  max-width: var(--maxWidth);
  margin: 30px auto;
  padding: 0 20px;
}

.card {
  background: var(--card);
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  margin-bottom: 30px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.form-group input, .form-group select {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 1rem;
}

.btn-group {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

button {
  flex: 1;
  padding: 14px;
  border: none;
  border-radius: 6px;
  font-weight: bold;
  cursor: pointer;
  transition: opacity 0.2s;
}

#genBtn { background: var(--primary); color: #fff; }
.copy-btn { background: #4CAF50; color: #fff; }
.print-btn { background: #2196F3; color: #fff; }
button:hover { opacity: 0.9; }

#resultCard {
  display: none;
}

#outputArea {
  background: #f9f9f9;
  padding: 25px;
  border: 1px solid #eee;
  border-radius: 6px;
  white-space: pre-wrap;
  font-family: inherit;
  font-size: 1rem;
  margin-top: 20px;
}

.related-cards .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

footer {
  background: var(--primary);
  color: #fff;
  text-align: center;
  padding: 20px 0;
  margin-top: 40px;
}

footer a { color: #fff; }

@media print {
  header, nav, #formArea, .btn-group, .related-cards, footer {
    display: none !important;
  }
  body { background: #fff; }
  .container { margin: 0; padding: 0; max-width: 100%; }
  .card { box-shadow: none; border: none; padding: 0; }
  #resultCard { display: block !important; }
  #outputArea { border: none; padding: 0; background: transparent; }
}

@media (max-width: 600px) {
  .btn-group { flex-direction: column; }
}