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

body {
  color: #eee;
  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: #00d4ff;
  text-shadow: 0 0 20px #00d4ff80;
  margin-bottom: 15px;
  font-size: 2.5rem;
}

.info-bar {
  display: flex;
  backdrop-filter: blur(10px);
  background: #ffffff1a;
  border-radius: 8px;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  padding: 10px 20px;
}

.info-item {
  font-size: .9rem;
}

.info-item strong {
  color: #00d4ff;
}

main {
  margin-bottom: 30px;
}

.simulator-layout {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items:  flex-start;
  gap: 40px;
}

.building-section, .controls-section {
  background: #ffffff0d;
  border: 1px solid #ffffff1a;
  border-radius: 12px;
  padding: 20px;
}

.building-section h2, .controls-section h2 {
  text-align: center;
  color: #00d4ff;
  margin-bottom: 20px;
  font-size: 1.3rem;
}

.building {
  display: flex;
  position: relative;
  gap: 20px;
}

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

.floor {
  display: flex;
  border-bottom: 2px solid #fff3;
  align-items:  center;
  gap: 15px;
  height: 80px;
  padding: 0 15px;
}

.floor:first-child {
  border-top: 2px solid #fff3;
}

.floor-label {
  color: gold;
  text-align: center;
  width: 30px;
  font-size: 1.2rem;
  font-weight: bold;
}

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

.floor-button {
  color: #888;
  cursor: pointer;
  background: #2a2a4a;
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  transition: all .3s;
  font-size: 1rem;
  box-shadow: 0 2px 5px #0000004d;
}

.floor-button:hover {
  color: #fff;
  background: #3a3a5a;
  transform: scale(1.1);
}

.floor-button.active {
  color: #000;
  animation: pulse 1s infinite;
  background: #00d4ff;
  box-shadow: 0 0 15px #00d4ffb3;
}

.button-placeholder {
  width: 36px;
  height: 36px;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 15px #00d4ffb3;
  }

  50% {
    box-shadow: 0 0 25px #00d4ff;
  }
}

.shaft-area {
  width: 50px;
}

.shafts-container {
  display: flex;
  position: relative;
  gap: 10px;
  height: 800px;
}

.elevator-shaft {
  position: relative;
  overflow: hidden;
  background: linear-gradient(#1a1a2e 0%, #0a0a1a 100%);
  border: 2px solid #333;
  border-radius: 8px;
  width: 70px;
  height: 100%;
}

.elevator-shaft:before {
  content: "";
  position: absolute;
  background: repeating-linear-gradient(#444 0 2px, #0000 2px 10px);
  width: 2px;
  height: 100%;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

.elevator-car {
  position: absolute;
  display: flex;
  background: linear-gradient(#4a4a6a 0%, #3a3a5a 100%);
  border: 2px solid #5a5a7a;
  border-radius: 6px;
  flex-direction: column;
  justify-content: center;
  align-items:  center;
  height: 70px;
  transition: bottom .8s ease-in-out;
  bottom: 0;
  left: 5px;
  right: 5px;
  box-shadow: 0 4px 15px #00000080;
}

.elevator-car.idle {
  border-color: #00d4ff;
  box-shadow: 0 0 10px #00d4ff4d;
}

.elevator-car.moving {
  border-color: gold;
  box-shadow: 0 0 15px #ffd70080;
}

.elevator-car.doors-open {
  background: linear-gradient(#3a5a4a 0%, #2a4a3a 100%);
  border-color: #0f8;
  box-shadow: 0 0 20px #00ff8880;
}

.elevator-state {
  color: gold;
  font-size: 1rem;
}

.elevator-floor {
  color: #fff;
  font-size: 1.4rem;
  font-weight: bold;
}

.elevator-id {
  color: #888;
  margin-top: 2px;
  font-size: .7rem;
}

.elevator-panels {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.elevator-panel {
  background: linear-gradient(#2a2a4a 0%, #1a1a3a 100%);
  border: 2px solid #3a3a5a;
  border-radius: 12px;
  min-width: 150px;
  padding: 15px;
}

.panel-title {
  text-align: center;
  color: #00d4ff;
  margin-bottom: 15px;
  font-size: 1rem;
  font-weight: bold;
}

.panel-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.panel-button {
  color: #ccc;
  cursor: pointer;
  background: #3a3a5a;
  border: none;
  border-radius: 8px;
  width: 45px;
  height: 45px;
  transition: all .2s;
  font-size: 1rem;
  font-weight: bold;
  box-shadow: 0 2px 5px #0000004d;
}

.panel-button:hover {
  color: #fff;
  background: #4a4a6a;
  transform: scale(1.05);
}

.panel-button.active {
  color: #fff;
  background: #ff6b6b;
  box-shadow: 0 0 15px #ff6b6bb3;
}

footer {
  text-align: center;
  color: #888;
  border-top: 1px solid #ffffff1a;
  padding: 20px;
  font-size: .9rem;
}

@media (max-width: 900px) {
  .simulator-layout {
    flex-direction: column;
    align-items:  center;
  }

  .elevator-panels {
    grid-template-columns: repeat(4, 1fr);
  }

  .info-bar {
    flex-direction: column;
    gap: 10px;
  }
}

@media (max-width: 600px) {
  .elevator-panels {
    grid-template-columns: repeat(2, 1fr);
  }

  header h1 {
    font-size: 1.8rem;
  }

  .building {
    transform-origin: top center;
    transform: scale(.8);
  }
}