body {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  padding: 20px;
}

h1 {
  text-align: center;
  font-size: 50px;
  color: #666;
}

footer {
  margin-top: auto;
  padding: 20px;
  font-size: 30px;
  color: #666;
  text-align: center;
}



.room-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
  margin-top: 40px;
}

.room-block {
  background: white;
  padding: 30px;
  border-radius: 10px;
  width: 400px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.room-title {
  font-size: 35px;
  margin-bottom: 20px;
  color: #444;
}

.sensor-block {
  margin-bottom: 20px;
  padding: 10px 15px;
  border-radius: 8px;
  background: #fafafa;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sensor-label {
  font-size: 22px;
  color: #555;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sensor-value {
  font-size: 32px;
  font-weight: bold;
}

/* Farben */
.value-blue {
  color: #1e90ff;
}

.value-green {
  color: #2ecc71;
}

.value-orange {
  color: #e67e22;
}

.value-red {
  color: #e74c3c;
}

.update {
  font-size: 14px;
  color: #777;
  margin-top: 10px;
}

.update-old {
  color: #e74c3c; /* rot */
  font-weight: bold;
}

/* Raum-Status */
.room-block.warn {
  border: 3px solid #e67e22;
  box-shadow: 0 0 15px rgba(230, 126, 34, 0.5);
}

.room-block.error {
  border: 3px solid #e74c3c;
  box-shadow: 0 0 15px rgba(231, 76, 60, 0.6);
}

.system-status {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  border: 3px solid transparent;
  background: #f8f8f8;
  width: fit-content;
}

/* OK */
.system-ok {
  border-color: #2ecc71;
  color: #2ecc71;
}

/* Warnung */
.system-warn {
  border-color: #e67e22;
  color: #e67e22;
}

/* Fehler */
.system-error {
  border-color: #e74c3c;
  color: #e74c3c;
}

.system-icon {
  font-size: 26px;
}


/* Status-Icon */
.status-icon {
  font-size: 28px;
  margin-left: 10px;
}
.system-status.ok {
  color: #2ecc71;
}

.system-status.warn {
  color: #e67e22;
}

.system-status.error {
  color: #e74c3c;
  font-weight: bold;
}

/* ---------------- MOBILE VERSION ---------------- */
@media (max-width: 1000px) {

  body {
    padding: 10px;
  }

  h1 {
    font-size: 70px;
    margin-bottom: 20px;
  }

  .room-container {
    flex-direction: column;
    gap: 20px;
  }

  .room-block {
    width: 100%;
    padding: 20px;
  }

  .room-title {
    font-size: 60px;
    margin-bottom: 15px;
  }

  .sensor-block {
    padding: 12px;
    margin-bottom: 15px;
  }

  .sensor-label {
    font-size: 50px;
  }

  .sensor-value {
    font-size: 50px;
  }

  .update {
    font-size: 40px;
    margin-top: 8px;
  }
}