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

body {
  color: #fff;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  min-height: 100vh;
  font-family: Segoe UI, Tahoma, Geneva, Verdana, sans-serif;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 30px;
}

header h1 {
  color: #00d9ff;
  text-shadow: 0 0 10px #00d9ff80;
  margin-bottom: 10px;
  font-size: 2.5rem;
}

.info-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.info-bar span {
  background: #00d9ff1a;
  border: 1px solid #00d9ff4d;
  border-radius: 20px;
  padding: 5px 15px;
  font-size: .9rem;
}

.building-container {
  display: flex;
  justify-content: center;
  align-items:  flex-start;
  gap: 30px;
  margin-bottom: 30px;
}

.floor-buttons-panel {
  background: #ffffff0d;
  border-radius: 10px;
  min-width: 120px;
  padding: 20px;
}

.floor-buttons-panel h3 {
  text-align: center;
  color: #00d9ff;
  margin-bottom: 15px;
  font-size: 1rem;
}

#floorButtonsContainer {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.floor-button-row {
  display: flex;
  justify-content: center;
  gap: 5px;
}

.floor-request-btn {
  color: #fff;
  cursor: pointer;
  display: flex;
  background: #333;
  border: none;
  border-radius: 50%;
  justify-content: center;
  align-items:  center;
  width: 35px;
  height: 35px;
  transition: all .3s;
  font-size: .8rem;
  font-weight: bold;
}

.floor-request-btn:hover {
  transform: scale(1.1);
}

.floor-request-btn.active {
  background: #ff6b6b;
  box-shadow: 0 0 10px #ff6b6b99;
}

.floor-request-btn.up {
  border: 2px solid #4ecdc4;
}

.floor-request-btn.down {
  border: 2px solid #ff6b6b;
}

.building {
  position: relative;
  background: #ffffff0d;
  border-radius: 10px;
  min-height: 600px;
  padding: 20px;
}

.floors-container {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.floor {
  display: flex;
  position: relative;
  align-items:  center;
  height: 60px;
}

.floor-number {
  display: flex;
  color: #1a1a2e;
  background: #00d9ff;
  border-radius: 50%;
  justify-content: center;
  align-items:  center;
  width: 50px;
  height: 50px;
  margin-right: 15px;
  font-weight: bold;
  box-shadow: 0 0 10px #00d9ff80;
}

.floor-label {
  background: #ffffff1a;
  border-radius: 5px;
  flex: 1;
  margin-right: 15px;
  padding: 10px 20px;
}

.elevators-container {
  display: flex;
  position: relative;
  gap: 15px;
  height: 600px;
  margin-left: 150px;
}

.elevator-shaft {
  position: relative;
  overflow: hidden;
  background: #0000004d;
  border-radius: 5px;
  width: 80px;
}

.elevator-shaft:before {
  content: "";
  position: absolute;
  background: repeating-linear-gradient(#0000, #0000 20px, #ffffff4d 20px 22px);
  width: 2px;
  height: 100%;
  top: 0;
  left: 50%;
}

.elevator {
  position: absolute;
  display: flex;
  background: linear-gradient(145deg, #2c3e50, #1a252f);
  border: 2px solid #00d9ff;
  border-radius: 8px;
  justify-content: center;
  align-items:  center;
  width: 70px;
  height: 70px;
  transition: top .5s ease-in-out;
  font-size: 1.2rem;
  font-weight: bold;
  top: 0;
  left: 5px;
  box-shadow: 0 4px 15px #00000080;
}

.elevator .elevator-number {
  color: #00d9ff;
}

.elevator .door {
  position: absolute;
  background: linear-gradient(145deg, #34495e, #2c3e50);
  width: 50%;
  height: 100%;
  transition: transform .3s;
}

.elevator .door.left {
  border-radius: 6px 0 0 6px;
  left: 0;
}

.elevator .door.right {
  border-radius: 0 6px 6px 0;
  right: 0;
}

.elevator .door.open {
  transform: translateX(-100%);
}

.elevator .door.right.open {
  transform: translateX(100%);
}

.elevator .status-light {
  position: absolute;
  background: #4ecdc4;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  top: -8px;
  right: -8px;
  box-shadow: 0 0 10px #4ecdc4;
}

.elevator .status-light.moving {
  background: #f39c12;
  box-shadow: 0 0 10px #f39c12;
}

.elevator .status-light.busy {
  background: #e74c3c;
  box-shadow: 0 0 10px #e74c3c;
}

.elevator-panels-container {
  display: flex;
  flex-direction: column;
  gap: 15px;
  min-width: 100px;
}

.elevator-panel {
  background: #ffffff0d;
  border-radius: 10px;
  min-width: 100px;
  padding: 15px;
}

.elevator-panel h4 {
  text-align: center;
  color: #00d9ff;
  margin-bottom: 10px;
  font-size: .9rem;
}

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

.elevator-floor-btn {
  color: #fff;
  cursor: pointer;
  background: #333;
  border: none;
  border-radius: 5px;
  width: 40px;
  height: 30px;
  transition: all .3s;
  font-size: .8rem;
}

.elevator-floor-btn:hover {
  color: #1a1a2e;
  background: #00d9ff;
}

.elevator-floor-btn.active {
  color: #1a1a2e;
  background: #00d9ff;
  box-shadow: 0 0 10px #00d9ff99;
}

.status-panel {
  background: #ffffff0d;
  border-radius: 10px;
  margin-bottom: 20px;
  padding: 20px;
}

.status-panel h3 {
  color: #00d9ff;
  margin-bottom: 15px;
}

#elevatorStatus {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}

.elevator-status-item {
  display: flex;
  background: #0003;
  border-radius: 5px;
  justify-content: space-between;
  align-items:  center;
  padding: 10px 15px;
}

.elevator-status-item .status-indicator {
  background: #4ecdc4;
  border-radius: 50%;
  width: 12px;
  height: 12px;
}

.elevator-status-item .status-indicator.moving {
  background: #f39c12;
}

.elevator-status-item .status-indicator.busy {
  background: #e74c3c;
}

.queue-panel {
  background: #ffffff0d;
  border-radius: 10px;
  padding: 20px;
}

.queue-panel h3 {
  color: #00d9ff;
  margin-bottom: 15px;
}

#requestQueue {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.queue-item {
  background: #00d9ff33;
  border: 1px solid #00d9ff4d;
  border-radius: 20px;
  padding: 8px 15px;
  font-size: .9rem;
}

.queue-item.up {
  border-color: #4ecdc4;
}

.queue-item.down {
  border-color: #ff6b6b;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  margin-top: 20px;
}

.legend-item {
  display: flex;
  align-items:  center;
  gap: 8px;
}

.legend-color {
  border-radius: 50%;
  width: 20px;
  height: 20px;
}

.legend-color.idle {
  background: #4ecdc4;
}

.legend-color.moving {
  background: #f39c12;
}

.legend-color.busy {
  background: #e74c3c;
}

@media (max-width: 1200px) {
  .building-container {
    flex-wrap: wrap;
    justify-content: center;
  }

  .floor-buttons-panel, .elevator-panels-container {
    flex-flow: wrap;
    order: 2;
    width: 100%;
  }

  .building {
    order: 1;
    width: 100%;
  }
}