/* Mobile-First Responsive Layout */

/* Base container */
.app-container {
  display: grid;
  grid-template-rows: auto 1fr auto;
  grid-template-areas:
    "header"
    "main"
    "sidebar";
  min-height: 100vh;
}

/* Header */
.app-header {
  grid-area: header;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.app-header h1 {
  font-size: var(--text-xl);
  margin: 0;
}

.subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* Main map area */
.map-container {
  grid-area: main;
  position: relative;
  min-height: 50vh;
}

#map {
  width: 100%;
  height: 100%;
  min-height: 50vh;
}

/* Sidebar */
.sidebar {
  grid-area: sidebar;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--space-4);
  overflow-y: auto;
  max-height: 50vh; /* Allow scrolling on mobile */
}

.sidebar-section {
  margin-bottom: var(--space-6);
}

.sidebar-section h2 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

/* Filter groups */
.filter-group {
  margin-bottom: var(--space-3);
}

.filter-group label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  cursor: pointer;
}

.filter-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  min-width: 20px;
  accent-color: var(--color-info);
}

/* Tablet breakpoint */
@media (min-width: 768px) {
  .app-container {
    grid-template-columns: 240px 1fr;
    grid-template-areas:
      "header header"
      "sidebar main";
    grid-template-rows: auto 1fr;
  }

  .sidebar {
    border-top: none;
    border-right: 1px solid var(--color-border);
    max-height: calc(100vh - 60px);
    overflow-y: auto;
  }

  .app-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* Desktop breakpoint */
@media (min-width: 1024px) {
  .app-container {
    grid-template-columns: 280px 1fr;
  }
}

/* Touch targets for mobile */
.filter-group label {
  min-height: 44px;
  padding: var(--space-2) 0;
}

/* Loading states */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  color: var(--color-text-muted);
}

.loading::after {
  content: '';
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-info);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-left: var(--space-2);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}