/* styles.css */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
  font-family: Segoe UI, Tahoma, Geneva, Verdana, sans-serif;
}

.info-bar {
  background: #fffffff2;
  border-radius: 10px;
  margin-bottom: 20px;
  padding: 20px;
  box-shadow: 0 4px 6px #0000001a;
}

.info-bar h1 {
  color: #333;
  margin-bottom: 10px;
  font-size: 28px;
}

.info-details {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  font-size: 14px;
}

.info-details span {
  color: #555;
}

.info-details strong {
  color: #333;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.simulator {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 20px;
}

.building {
  display: grid;
  grid-template-columns: 1fr;
  position: relative;
  background: #fff;
  border-radius: 10px;
  min-height: 600px;
  padding: 20px;
  box-shadow: 0 4px 6px #0000001a;
}

.elevators {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 2px solid #e0e0e0;
  gap: 15px;
  margin-bottom: 30px;
  padding-bottom: 20px;
}

.elevator {
  text-align: center;
  display: flex;
  position: relative;
  background: #f5f5f5;
  border: 3px solid #333;
  border-radius: 5px;
  flex-direction: column;
  min-height: 500px;
  padding: 15px;
}

.elevator-head {
  color: #fff;
  background: #667eea;
  border-radius: 3px;
  margin-bottom: 10px;
  padding: 10px;
  font-size: 14px;
  font-weight: bold;
}

.elevator-display {
  color: #0f0;
  display: flex;
  background: #000;
  border-radius: 3px;
  justify-content: center;
  align-items:  center;
  min-height: 50px;
  margin-bottom: 10px;
  padding: 15px;
  font-family: Courier New, monospace;
  font-size: 20px;
  font-weight: bold;
}

.elevator-status {
  color: #666;
  background: #eee;
  border-radius: 3px;
  margin-bottom: 10px;
  padding: 8px;
  font-size: 12px;
}

.elevator-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  flex-grow: 1;
  gap: 5px;
}

.floor-btn {
  cursor: pointer;
  background: #f0f0f0;
  border: 2px solid #ddd;
  border-radius: 3px;
  padding: 10px;
  transition: all .3s;
  font-size: 12px;
  font-weight: bold;
}

.floor-btn:hover {
  background: #e0e0e0;
  border-color: #999;
}

.floor-btn.selected {
  color: #fff;
  background: #667eea;
  border-color: #667eea;
}

.floor-btn.completed {
  color: #fff;
  background: #4caf50;
  border-color: #4caf50;
}

.floors {
  margin-top: 20px;
}

.floor {
  display: grid;
  grid-template-columns: 100px 1fr;
  background: #fafafa;
  border-bottom: 1px solid #eee;
  align-items:  center;
  gap: 20px;
  padding: 15px;
}

.floor:last-child {
  border-bottom: none;
}

.floor-label {
  color: #333;
  text-align: right;
  font-weight: bold;
}

.floor-buttons {
  display: flex;
  gap: 10px;
}

.request-btn {
  cursor: pointer;
  background: #fff;
  border: 2px solid #ddd;
  border-radius: 5px;
  padding: 8px 15px;
  transition: all .3s;
  font-size: 13px;
  font-weight: bold;
}

.request-btn:hover {
  background: #f0f0f0;
  border-color: #667eea;
}

.request-btn.active {
  color: #fff;
  background: #ff9800;
  border-color: #ff9800;
}

.request-btn.up:before {
  content: "↑ ";
}

.request-btn.down:before {
  content: "↓ ";
}

.stats {
  background: #fff;
  border-radius: 10px;
  height: -moz-fit-content;
  height: fit-content;
  padding: 20px;
  box-shadow: 0 4px 6px #0000001a;
}

.stats h2 {
  color: #333;
  border-bottom: 2px solid #667eea;
  margin-bottom: 15px;
  padding-bottom: 10px;
  font-size: 18px;
}

#stats-content p {
  color: #555;
  margin-bottom: 10px;
  font-size: 14px;
}

#stats-content span {
  color: #667eea;
  font-size: 16px;
  font-weight: bold;
}

@media (max-width: 1024px) {
  .simulator {
    grid-template-columns: 1fr;
  }

  .elevators {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats {
    height: auto;
  }
}

@media (max-width: 768px) {
  .elevator {
    min-height: 300px;
  }

  .elevator-buttons {
    grid-template-columns: repeat(3, 1fr);
  }

  .floor {
    grid-template-columns: 80px 1fr;
  }
}