/* 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;
}

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

header {
  background: #fff;
  border-radius: 12px;
  margin-bottom: 20px;
  padding: 20px;
  box-shadow: 0 8px 32px #0000001a;
}

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

.info {
  display: flex;
  color: #666;
  gap: 30px;
  font-size: 14px;
}

.info p {
  display: flex;
  align-items:  center;
  gap: 8px;
}

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

.building {
  display: grid;
  grid-template-columns: 80px 200px 300px;
  background: #fff;
  border-radius: 12px;
  gap: 15px;
  padding: 20px;
  box-shadow: 0 8px 32px #0000001a;
}

.floors-panel {
  display: flex;
  flex-direction: column-reverse;
  gap: 8px;
}

.floor {
  display: flex;
  color: #333;
  background: #f5f5f5;
  border-radius: 6px;
  justify-content: space-between;
  align-items:  center;
  min-height: 50px;
  padding: 10px;
  font-weight: 500;
}

.floor-label {
  text-align: center;
  flex: 1;
  font-size: 12px;
}

.floor-buttons {
  display: flex;
  gap: 5px;
}

.floor-button {
  cursor: pointer;
  display: flex;
  background: #fff;
  border: 2px solid #ddd;
  border-radius: 4px;
  justify-content: center;
  align-items:  center;
  width: 30px;
  height: 30px;
  transition: all .3s;
  font-size: 11px;
  font-weight: bold;
}

.floor-button:hover {
  color: #667eea;
  border-color: #667eea;
}

.floor-button.active {
  color: #fff;
  background: #667eea;
  border-color: #667eea;
}

.elevators-shaft {
  position: relative;
  overflow: hidden;
  background: #e8e8e8;
  border-radius: 6px;
}

.elevators-container {
  position: relative;
  height: 500px;
}

.elevator {
  position: absolute;
  display: flex;
  color: #fff;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: 2px solid #5568d3;
  border-radius: 4px;
  justify-content: center;
  align-items:  center;
  width: 100%;
  height: 45px;
  transition: top .5s linear;
  font-size: 14px;
  font-weight: bold;
  box-shadow: 0 4px 12px #0003;
}

.elevator-info {
  display: flex;
  flex-direction: column;
  align-items:  center;
  gap: 2px;
}

.elevator-id {
  font-size: 12px;
}

.elevator-floor {
  font-size: 16px;
}

.elevator-buttons-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.elevator-button-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.elevator-label {
  color: #fff;
  text-align: center;
  background: #0000004d;
  border-radius: 4px;
  padding: 5px;
  font-size: 12px;
  font-weight: bold;
}

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

.floor-selection-btn {
  cursor: pointer;
  background: #fff;
  border: 2px solid #ddd;
  border-radius: 4px;
  width: 100%;
  padding: 8px 4px;
  transition: all .3s;
  font-size: 11px;
  font-weight: bold;
}

.floor-selection-btn:hover {
  background: #f0f0ff;
  border-color: #667eea;
}

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

.controls {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 8px 32px #0000001a;
}

.controls h2 {
  color: #333;
  margin-bottom: 15px;
  font-size: 16px;
}

.elevator-states {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.elevator-state {
  background: #f5f5f5;
  border-left: 4px solid #667eea;
  border-radius: 6px;
  padding: 10px;
  font-size: 12px;
}

.elevator-state-id {
  color: #667eea;
  font-weight: bold;
}

.elevator-state-info {
  color: #666;
  margin-top: 3px;
}

@media (max-width: 900px) {
  .simulator, .building {
    grid-template-columns: 1fr;
  }

  .floors-panel, .elevators-shaft {
    grid-column: 1;
  }
}