:root {
  --primary: #2a73cc;
  --secondary: #f4f7fb;
  --accent: #e2eaff;
  --text-color: #222;
  --text-muted: #666;
  --border-radius: 6px;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --shadow-level-1: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-level-2: 0 3px 6px rgba(0,0,0,0.15);
}

/* ==============================
   Dashboard Panels
============================== */

.alert-dashboard {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  padding: var(--spacing-md);
  background-color: var(--secondary);
  min-height: 100vh;
}

@media (min-width: 768px) {
  .alert-dashboard {
    grid-template-columns: 2fr 1fr;
  }
}

.panel {
  background-color: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-level-1);
  padding: var(--spacing-md);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.panel:hover {
  box-shadow: var(--shadow-level-2);
  transform: translateY(-2px);
}

.summary-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  color: var(--text-color);
  background: var(--accent);
  font-size: 0.95rem;
  line-height: 1.4;
}

.summary-panel__title {
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--primary);
}

.summary-panel__item {
  margin-bottom: var(--spacing-xs);
  color: var(--text-muted);
}

/* ==============================
   Controls and Buttons
============================== */

.filter-control {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.filter-control label {
  font-size: 0.9rem;
  color: var(--text-color);
}

.filter-control select,
.filter-control input[type="text"] {
  padding: var(--spacing-sm);
  border-radius: var(--border-radius);
  border: 1px solid #ccc;
  background-color: #fff;
  font-size: 0.9rem;
  color: var(--text-color);
}

.refresh-button {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  box-shadow: var(--shadow-level-1);
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.refresh-button:hover {
  background-color: darken(var(--primary), 10%);
  box-shadow: var(--shadow-level-2);
}

.refresh-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

/* ==============================
   Responsive Adjustments
============================== */

@media (min-width: 1024px) {
  .alert-dashboard {
    grid-template-columns: repeat(3, 1fr);
  }
}

footer {
  text-align: center;
  font-size: 0.8rem;
  margin-top: var(--spacing-lg);
  color: var(--text-muted);
}

footer::after {
  content: "© 2026 Donau2Space.de";
  display: block;
  margin-top: var(--spacing-sm);
}