:root {
  --color-bg: #f5f7fa;
  --color-card: #ffffff;
  --color-text: #333333;
  --color-text-muted: #666666;
  --color-border: #e1e5eb;
  --color-active: #dc3545;
  --color-active-bg: #fff5f5;
  --color-upcoming: #ffc107;
  --color-upcoming-bg: #fffbeb;
  --color-past: #6c757d;
  --color-past-bg: #f8f9fa;
  --color-success: #28a745;
  --color-success-bg: #f0fff4;
  --color-full: #dc3545;
  --color-partial: #fd7e14;
  --color-soft: #ffc107;
}

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

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

header {
  position: relative;
  text-align: center;
  margin-bottom: 2rem;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.timestamp-badge {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 0.4rem 0.8rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.timestamp-badge #timestamp {
  font-family: "SF Mono", Monaco, monospace;
  font-weight: 500;
}

.alert {
  padding: 1rem 1.5rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.alert-danger {
  background-color: var(--color-active);
  border: none;
  color: white;
  font-size: 1.1rem;
  text-align: center;
  padding: 1.25rem 1.5rem;
}

.alert-success {
  background-color: var(--color-success-bg);
  border: 2px solid var(--color-success);
  color: var(--color-success);
}

.freeze-section {
  margin-bottom: 3rem;
}

.freeze-section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-border);
}

.freeze-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
}

.freeze-card {
  background: var(--color-card);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border: 2px solid transparent;
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}

.freeze-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.freeze-card.active {
  border-color: var(--color-active);
  background: var(--color-active-bg);
}

.freeze-card.upcoming {
  border-color: var(--color-upcoming);
  background: var(--color-upcoming-bg);
}

.freeze-card.past {
  border-color: var(--color-border);
  opacity: 0.7;
}

.freeze-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.freeze-type {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.type-full {
  background: var(--color-full);
  color: white;
}

.type-partial {
  background: var(--color-partial);
  color: white;
}

.type-soft {
  background: var(--color-soft);
  color: #333;
}

.freeze-status {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-active {
  background: var(--color-active);
  color: white;
  animation: pulse 2s infinite;
}

.status-upcoming {
  background: var(--color-upcoming);
  color: #333;
}

.status-past {
  background: var(--color-past);
  color: white;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.freeze-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.freeze-description {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.freeze-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.detail {
  display: flex;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.detail .label {
  font-weight: 600;
  min-width: 120px;
  color: var(--color-text-muted);
}

.detail .value {
  flex: 1;
}

.detail .countdown {
  font-family: "SF Mono", Monaco, monospace;
  font-weight: 600;
}

.detail .exceptions {
  color: var(--color-success);
  font-style: italic;
}

.api-section {
  background: var(--color-card);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.api-section h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  border-bottom: none;
}

.api-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.api-list code {
  background: var(--color-bg);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-family: "SF Mono", Monaco, monospace;
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }

  header h1 {
    font-size: 1.75rem;
  }

  .freeze-cards {
    grid-template-columns: 1fr;
  }

  .detail {
    flex-direction: column;
    gap: 0.25rem;
  }

  .detail .label {
    min-width: auto;
  }
}