/* 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 {
  background: #fffffff2;
  border-radius: 15px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  box-shadow: 0 20px 40px #0000001a;
}

header {
  text-align: center;
  border-bottom: 2px solid #e0e0e0;
  margin-bottom: 30px;
  padding-bottom: 20px;
}

header h1 {
  color: #2c3e50;
  text-shadow: 2px 2px 4px #0000001a;
  margin-bottom: 15px;
  font-size: 2.5rem;
}

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

.stats span {
  color: #fff;
  background: linear-gradient(45deg, #3498db, #2980b9);
  border-radius: 20px;
  padding: 8px 16px;
  font-size: .9rem;
  font-weight: 500;
  box-shadow: 0 2px 4px #0000001a;
}

.simulator-container {
  background: #f8f9fa;
  border-radius: 10px;
  margin-bottom: 30px;
  padding: 20px;
  box-shadow: inset 0 2px 4px #0000001a;
}

.building {
  display: flex;
  position: relative;
  gap: 30px;
  min-height: 600px;
}

.floor-controls {
  display: flex;
  background: linear-gradient(#34495e, #2c3e50);
  border-radius: 10px;
  flex-direction: column-reverse;
  justify-content: flex-start;
  align-items:  center;
  gap: 5px;
  width: 120px;
  padding: 20px 10px;
  box-shadow: 0 4px 8px #0003;
}

.floor {
  display: flex;
  background: #ffffff1a;
  border-radius: 8px;
  flex-direction: column;
  justify-content: center;
  align-items:  center;
  gap: 8px;
  min-height: 45px;
  padding: 8px;
}

.floor-label {
  color: #fff;
  text-shadow: 1px 1px 2px #00000080;
  font-size: .9rem;
  font-weight: bold;
}

.floor-btn {
  cursor: pointer;
  border: none;
  border-radius: 50%;
  width: 30px;
  height: 25px;
  transition: all .3s;
  font-size: .7rem;
  font-weight: bold;
  box-shadow: 0 2px 4px #0003;
}

.floor-btn.up {
  color: #fff;
  background: linear-gradient(45deg, #27ae60, #2ecc71);
}

.floor-btn.down {
  color: #fff;
  background: linear-gradient(45deg, #e74c3c, #c0392b);
}

.floor-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 8px #0000004d;
}

.floor-btn:active {
  transform: scale(.95);
}

.floor-btn.active {
  animation: pulse .5s infinite alternate;
}

.elevators-container {
  display: flex;
  position: relative;
  background: linear-gradient(#ecf0f1, #bdc3c7);
  border-radius: 10px;
  flex: 1;
  justify-content: space-around;
  align-items:  flex-start;
  gap: 15px;
  min-height: 600px;
  padding: 20px;
}

.elevator-shaft {
  display: flex;
  position: relative;
  background: #34495e;
  border-radius: 8px;
  flex-direction: column-reverse;
  align-items:  center;
  gap: 2px;
  width: 80px;
  padding: 10px 5px;
  box-shadow: inset 0 2px 8px #0000004d;
}

.elevator {
  display: flex;
  position: relative;
  border: 2px solid #2c3e50;
  border-radius: 8px;
  flex-direction: column;
  justify-content: center;
  align-items:  center;
  width: 60px;
  height: 50px;
  transition: all .5s;
  font-size: .8rem;
  font-weight: bold;
  box-shadow: 0 4px 8px #0000004d;
}

.elevator.idle {
  color: #fff;
  background: linear-gradient(45deg, #95a5a6, #7f8c8d);
}

.elevator.moving {
  color: #fff;
  background: linear-gradient(45deg, #3498db, #2980b9);
}

.elevator.busy {
  color: #fff;
  background: linear-gradient(45deg, #f39c12, #e67e22);
}

.elevator.emergency {
  color: #fff;
  animation: shake .5s infinite;
  background: linear-gradient(45deg, #e74c3c, #c0392b);
}

.elevator-cabin {
  display: flex;
  border-radius: 6px;
  flex-direction: column;
  justify-content: center;
  align-items:  center;
  width: 100%;
  height: 100%;
}

.elevator-number {
  margin-bottom: 2px;
  font-size: .9rem;
}

.elevator-floor {
  opacity: .8;
  font-size: .7rem;
}

.elevator-status {
  position: absolute;
  color: #fff;
  white-space: nowrap;
  background: #000c;
  border-radius: 10px;
  padding: 2px 8px;
  font-size: .6rem;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
}

.controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 30px;
}

.control-section {
  background: #f8f9fa;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 2px 4px #0000001a;
}

.control-section h3 {
  color: #2c3e50;
  margin-bottom: 15px;
  font-size: 1.2rem;
}

.control-section label {
  display: block;
  margin-bottom: 10px;
  font-weight: 500;
}

.control-section input, .control-section select {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 5px;
  margin-left: 10px;
  padding: 5px 10px;
}

.btn {
  cursor: pointer;
  border: none;
  border-radius: 25px;
  margin: 5px;
  padding: 12px 24px;
  transition: all .3s;
  font-weight: bold;
  box-shadow: 0 2px 4px #0003;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px #0000004d;
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(45deg, #3498db, #2980b9);
}

.btn-secondary {
  color: #fff;
  background: linear-gradient(45deg, #95a5a6, #7f8c8d);
}

.btn-danger {
  color: #fff;
  background: linear-gradient(45deg, #e74c3c, #c0392b);
}

.log-container {
  color: #fff;
  background: #2c3e50;
  border-radius: 10px;
  padding: 20px;
}

.log-container h3 {
  color: #ecf0f1;
  margin-bottom: 15px;
}

.log {
  overflow-y: auto;
  background: #0000004d;
  border-radius: 5px;
  height: 200px;
  padding: 15px;
  font-family: Courier New, monospace;
  font-size: .9rem;
  line-height: 1.4;
}

.log-entry {
  margin-bottom: 5px;
  padding: 2px 0;
}

.log-entry.elevator {
  color: #3498db;
}

.log-entry.request {
  color: #f39c12;
}

.log-entry.error {
  color: #e74c3c;
}

.log-entry.success {
  color: #2ecc71;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }

  100% {
    transform: scale(1.05);
  }
}

@keyframes shake {
  0% {
    transform: translateX(0);
  }

  25% {
    transform: translateX(-2px);
  }

  50% {
    transform: translateX(2px);
  }

  75% {
    transform: translateX(-1px);
  }

  100% {
    transform: translateX(0);
  }
}

@keyframes slideUp {
  from {
    transform: translateY(100px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideDown {
  from {
    transform: translateY(-100px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (max-width: 1200px) {
  .controls {
    grid-template-columns: 1fr;
  }

  .building {
    flex-direction: column;
    align-items:  center;
  }

  .floor-controls {
    flex-direction: row;
    justify-content: center;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 10px;
  }

  header h1 {
    font-size: 2rem;
  }

  .stats {
    gap: 10px;
  }

  .stats span {
    padding: 6px 12px;
    font-size: .8rem;
  }

  .elevators-container {
    padding: 10px;
  }

  .elevator-shaft {
    width: 60px;
  }

  .elevator {
    width: 40px;
    height: 35px;
  }
}