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

body {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #222;
  min-height: 100vh;
  padding: 20px 0;
}

.container {
  width: 90%;
  max-width: 1000px;
  margin: auto;
  padding: 40px 30px;
}

h1 {
  text-align: center;
  margin-bottom: 10px;
  font-size: 2.5em;
  color: #fff;
  font-weight: 700;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
  letter-spacing: 1px;
}

.subtitle {
  text-align: center;
  margin-bottom: 40px;
  color: #ddd;
  font-size: 1.1em;
}

.card {
  background: white;
  padding: 30px;
  border-radius: 15px;
  margin-bottom: 25px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.2);
  border-left: 5px solid #d4a574;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 35px rgba(0,0,0,0.3);
}

.card h2 {
  color: #8b4513;
  font-size: 1.8em;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #d4a574;
}

select {
  width: 100%;
  padding: 14px;
  border-radius: 8px;
  margin-top: 15px;
  margin-bottom: 20px;
  border: 2px solid #d4a574;
  font-size: 1em;
  background-color: #fff;
  color: #333;
  cursor: pointer;
  transition: border-color 0.3s ease;
}

select:focus {
  outline: none;
  border-color: #8b4513;
  box-shadow: 0 0 5px rgba(139, 69, 19, 0.3);
}

select option {
  padding: 10px;
  background: white;
}

button {
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, #8b4513 0%, #a0522d 100%);
  color: white;
  font-size: 1em;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

button:hover {
  background: linear-gradient(135deg, #a0522d 0%, #8b4513 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.3);
}

button:active {
  transform: translateY(0);
}

.home-buttons {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.scenario-box {
  background: white;
  padding: 30px;
  border-radius: 15px;
  margin-top: 20px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.2);
  border-left: 5px solid #d4a574;
}

.scenario-box h2 {
  color: #8b4513;
  font-size: 1.8em;
  margin-bottom: 15px;
}

.scenario-box h3 {
  color: #a0522d;
  font-size: 1.5em;
  margin-bottom: 15px;
  margin-top: 15px;
}

.scenario-box p {
  line-height: 1.8;
  font-size: 1.05em;
  color: #333;
  margin-bottom: 10px;
}

.menu {
  list-style: none;
  padding: 0;
  line-height: 2.2;
  font-size: 1.05em;
}

.menu li {
  padding: 8px 0;
  border-bottom: 1px solid #f0f0f0;
  color: #555;
}

.menu li:last-child {
  border-bottom: none;
}

.instructions {
  line-height: 2.2;
  font-size: 1.05em;
}

.instructions li {
  padding: 8px 0;
  color: #555;
}

.back-btn {
  margin-top: 30px;
  background: linear-gradient(135deg, #555 0%, #333 100%);
}

.back-btn:hover {
  background: linear-gradient(135deg, #333 0%, #555 100%);
}

/* Difficulty Level Styling */
.difficulty-beginner {
  border-left-color: #4CAF50 !important;
}

.difficulty-beginner h2,
.difficulty-beginner h3 {
  color: #4CAF50 !important;
}

.difficulty-intermediate {
  border-left-color: #FF9800 !important;
}

.difficulty-intermediate h2,
.difficulty-intermediate h3 {
  color: #FF9800 !important;
}

.difficulty-advanced {
  border-left-color: #f44336 !important;
}

.difficulty-advanced h2,
.difficulty-advanced h3 {
  color: #f44336 !important;
}

/* Customer Card Styling */
.customer-info {
  background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 20px;
  border-left: 4px solid #d4a574;
}

.customer-info p {
  margin: 8px 0;
  font-size: 1.05em;
  color: #333;
}

@media(max-width:768px) {
  .container {
    width: 95%;
    padding: 30px 20px;
  }

  h1 {
    font-size: 2em;
  }

  .card {
    padding: 20px;
  }

  button {
    padding: 14px;
    font-size: 0.95em;
  }
}