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

body {
  color: #333;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
  font-family: Segoe UI, Tahoma, Geneva, Verdana, sans-serif;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

header {
  background: #fff;
  border-radius: 10px;
  margin-bottom: 20px;
  padding: 20px;
  box-shadow: 0 4px 6px #0000001a;
}

h1 {
  color: #667eea;
  margin-bottom: 10px;
  font-size: 28px;
}

.info {
  background: #f8f9fa;
  border-left: 4px solid #667eea;
  border-radius: 8px;
  padding: 15px;
}

.info h2 {
  color: #667eea;
  margin-bottom: 8px;
  font-size: 16px;
}

.info p {
  color: #555;
  margin: 4px 0;
  font-size: 14px;
  line-height: 1.6;
}

#simulator-container {
  display: flex;
  background: #fff;
  border-radius: 10px;
  gap: 20px;
  margin-bottom: 20px;
  padding: 30px;
  box-shadow: 0 4px 6px #0000001a;
}

.building {
  display: flex;
  border-right: 3px solid #ddd;
  flex-direction: column;
  padding-right: 20px;
}

.floor {
  display: flex;
  border-bottom: 2px solid #ddd;
  align-items:  center;
  gap: 15px;
  height: 80px;
  padding: 0 15px;
}

.floor:first-child {
  border-top: 2px solid #ddd;
}

.floor-label {
  color: #555;
  min-width: 70px;
  font-size: 14px;
  font-weight: 600;
}

.floor-buttons {
  display: flex;
  gap: 8px;
}

.floor-button {
  color: #667eea;
  cursor: pointer;
  background: #fff;
  border: 2px solid #667eea;
  border-radius: 8px;
  width: 40px;
  height: 40px;
  transition: all .3s;
  font-size: 18px;
  font-weight: bold;
}

.floor-button:hover {
  color: #fff;
  background: #667eea;
  transform: scale(1.05);
}

.floor-button.pressed {
  color: #fff;
  animation: pulse 1s infinite;
  background: #667eea;
  box-shadow: 0 0 15px #667eea80;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 15px #667eea80;
  }

  50% {
    box-shadow: 0 0 25px #667eeacc;
  }
}

.elevator-shafts {
  display: flex;
  flex: 1;
  gap: 15px;
  padding-left: 20px;
}

.elevator-shaft {
  position: relative;
  background: linear-gradient(#f0f0f0 0%, #e0e0e0 100%);
  border: 2px solid #ccc;
  border-radius: 10px;
  flex: 1;
  min-height: 800px;
}

.elevator {
  position: absolute;
  display: flex;
  color: #fff;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: 3px solid #333;
  border-radius: 8px;
  flex-direction: column;
  justify-content: center;
  align-items:  center;
  height: 75px;
  padding: 8px;
  transition: bottom 1s linear;
  bottom: 0;
  left: 5px;
  right: 5px;
  box-shadow: 0 4px 8px #0000004d;
}

.elevator-label {
  margin-bottom: 4px;
  font-size: 16px;
  font-weight: bold;
}

.elevator-floor {
  margin-bottom: 2px;
  font-size: 12px;
}

.elevator-status {
  margin-bottom: 2px;
  font-size: 11px;
  font-weight: 600;
}

.elevator-destinations {
  opacity: .9;
  font-size: 10px;
}

#control-panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.control-panel {
  background: #fff;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 4px 6px #0000001a;
}

.panel-title {
  color: #667eea;
  text-align: center;
  border-bottom: 2px solid #e0e0e0;
  margin-bottom: 15px;
  padding-bottom: 10px;
  font-size: 16px;
  font-weight: 600;
}

.panel-buttons {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.panel-button {
  aspect-ratio: 1;
  color: #764ba2;
  cursor: pointer;
  background: #fff;
  border: 2px solid #764ba2;
  border-radius: 8px;
  width: 100%;
  transition: all .2s;
  font-size: 16px;
  font-weight: bold;
}

.panel-button:hover {
  color: #fff;
  background: #764ba2;
  transform: scale(1.08);
}

.panel-button:active {
  transform: scale(.95);
}

@media (max-width: 1200px) {
  #simulator-container {
    flex-direction: column;
  }

  .building {
    border-bottom: 3px solid #ddd;
    border-right: none;
    padding-bottom: 20px;
    padding-right: 0;
  }

  .elevator-shafts {
    min-height: 400px;
    padding-top: 20px;
    padding-left: 0;
  }
}

@media (max-width: 768px) {
  .floor {
    height: 60px;
    padding: 0 10px;
  }

  .floor-button {
    width: 35px;
    height: 35px;
    font-size: 16px;
  }

  .elevator {
    height: 55px;
  }

  #control-panels {
    grid-template-columns: 1fr;
  }
}