/* Define color variables using the 70-20-10 split */
:root {
  --primary: #ffffff;   /* 70% (Lumen) */
  --secondary: #5200FF;  /* 20% (Imperium) */
  --tertiary: #3dffd0;   /* 10% (Aureum) */
}

/* Global Styles */
body {
  margin: 0;
  font-family: 'Cinzel', serif;
  background-color: var(--primary);
  color: var(--secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
}

header {
  background-color: var(--secondary);
  color: var(--primary);
  width: 100%;
  padding: 20px;
  text-align: center;
  border-bottom: 3px double var(--tertiary);
}

header p {
  font-style: italic;
  margin-top: 5px;
}

.controls {
  margin: 20px;
  text-align: center;
}

textarea#namesInput {
  width: 300px;
  height: 100px;
  padding: 10px;
  border: 2px solid var(--secondary);
  border-radius: 5px;
  font-size: 16px;
  resize: vertical;
}

select#layoutSelect {
  padding: 5px;
  font-size: 16px;
  border: 2px solid var(--secondary);
  border-radius: 5px;
  margin: 10px;
}

.custom-options {
  margin: 10px;
}

.custom-options input {
  width: 60px;
  padding: 5px;
  margin: 0 5px;
  font-size: 16px;
  border: 2px solid var(--secondary);
  border-radius: 5px;
}

button {
  margin: 10px;
  padding: 10px 20px;
  font-size: 16px;
  background-color: var(--secondary);
  color: var(--primary);
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: var(--tertiary);
  color: var(--secondary);
}

/* Warning message styling */
.warning-message {
  color: red;
  font-weight: bold;
  margin: 10px;
}

/* Seating container styles with a classical Greek-inspired border */
.seating-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 20px;
  padding: 20px;
  border: 3px solid var(--secondary);
  border-radius: 10px;
  background-image: repeating-linear-gradient(45deg, var(--tertiary), var(--tertiary) 5px, var(--primary) 5px, var(--primary) 10px);
}

/* For block layouts (used in layout1, layout2, layout3) */
.seating-block {
  margin: 10px;
  display: grid;
  gap: 10px;
}

/* Individual seat styling */
.seat {
  width: 100px;
  height: 100px;
  background-color: var(--tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--secondary);
  border-radius: 10px;
  font-weight: bold;
  cursor: grab;
  user-select: none;
  transition: transform 0.2s ease;
  /* Ensure long names break into multiple lines */
  overflow-wrap: break-word;
  word-wrap: break-word;
  white-space: normal;
  text-align: center;
}

.seat:active {
  cursor: grabbing;
  transform: scale(1.05);
}