* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  min-height: 100vh;
  color: #e0e0e0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.header {
  text-align: center;
  color: white;
  margin-bottom: 40px;
}

.header h1 {
  font-size: 3em;
  margin-bottom: 10px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.header p {
  font-size: 1.2em;
  opacity: 0.9;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 25px;
  margin-bottom: 30px;
}

.data-card {
  background: #2d2d44;
  border: 1px solid #3a3a5c;
  border-radius: 15px;
  padding: 25px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.data-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card-header {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 2px solid #3a3a5c;
}

.card-header > div {
  flex: 1;
}

.usage-level {
  font-size: 0.8em;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 12px;
  margin-top: 5px;
  display: inline-block;
}

.usage-critical {
  background: rgba(220, 53, 69, 0.2);
  color: #ff6b6b;
  border: 1px solid rgba(220, 53, 69, 0.3);
}

.usage-high {
  background: rgba(255, 193, 7, 0.2);
  color: #ffd93d;
  border: 1px solid rgba(255, 193, 7, 0.3);
}

.usage-medium {
  background: rgba(100, 181, 246, 0.2);
  color: #64b5f6;
  border: 1px solid rgba(100, 181, 246, 0.3);
}

.usage-low {
  background: rgba(76, 175, 80, 0.2);
  color: #81c784;
  border: 1px solid rgba(76, 175, 80, 0.3);
}

.card-icon {
  font-size: 2em;
  margin-right: 15px;
  color: #64b5f6;
}

.card-title {
  font-size: 1.4em;
  font-weight: 600;
  color: #e0e0e0;
}

.data-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid #3a3a5c;
}

.data-item:last-child {
  border-bottom: none;
}

.data-label {
  font-weight: 500;
  color: #b0b0b0;
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tooltip-icon {
  display: inline-block;
  width: 16px;
  height: 16px;
  background: #64b5f6;
  color: #1a1a2e;
  border-radius: 50%;
  text-align: center;
  line-height: 16px;
  font-size: 12px;
  font-weight: bold;
  cursor: help;
  position: relative;
  flex-shrink: 0;
}

.tooltip-icon::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background: #2d2d44;
  color: #e0e0e0;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: normal;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  border: 1px solid #64b5f6;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  max-width: 350px;
  white-space: normal;
  line-height: 1.4;
  min-width: 200px;
}

.tooltip-icon::before {
  content: "";
  position: absolute;
  bottom: 119%;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid #64b5f6;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  z-index: 1001;
}

.tooltip-icon:hover::after,
.tooltip-icon:hover::before {
  opacity: 1;
  visibility: visible;
}

.data-value {
  font-family: "Courier New", monospace;
  background: #1a1a2e;
  color: #e0e0e0;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.85em;
  border: 1px solid #3a3a5c;
  flex: 1;
  margin-left: 15px;
  text-align: right;
  word-break: break-word;
  max-width: 200px;
  overflow-wrap: break-word;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.status-indicator {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-active {
  background-color: #28a745;
}

.status-warning {
  background-color: #ffc107;
}

.status-danger {
  background-color: #dc3545;
}

.refresh-btn {
  background: linear-gradient(45deg, #64b5f6, #42a5f5);
  color: white;
  border: none;
  padding: 15px 30px;
  border-radius: 25px;
  font-size: 1.1em;
  cursor: pointer;
  display: block;
  margin: 30px auto;
  transition: transform 0.3s ease;
  box-shadow: 0 4px 15px rgba(100, 181, 246, 0.3);
}

.refresh-btn:hover {
  transform: scale(1.05);
}

.warning-banner {
  background: #2d2d44;
  border: 1px solid #64b5f6;
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 30px;
  text-align: center;
  color: #e0e0e0;
}

.warning-banner i {
  color: #64b5f6;
  margin-right: 10px;
}

.footer {
  text-align: center;
  color: white;
  margin-top: 40px;
  opacity: 0.8;
}

@media (max-width: 768px) {
  .header h1 {
    font-size: 2em;
  }

  .data-grid {
    grid-template-columns: 1fr;
  }
}