:root {
  --primary-accent: #1b7a38;
}

html, body {
  height: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  transition: background-color 0.3s ease, color 0.3s ease;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

footer {
  flex-shrink: 0;
}

/* Accent Color Overrides */
.btn-primary {
  background-color: var(--primary-accent);
  border-color: var(--primary-accent);
  color: #fff;
}

.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
  background-color: #145929 !important;
  border-color: #145929 !important;
  color: #fff;
}

.btn-outline-primary {
  color: var(--primary-accent);
  border-color: var(--primary-accent);
}

.btn-outline-primary:hover, .btn-outline-primary:focus, .btn-outline-primary:active {
  background-color: var(--primary-accent) !important;
  border-color: var(--primary-accent) !important;
  color: #fff !important;
}

.btn-primary:disabled, .btn-outline-primary:disabled {
  background-color: transparent !important;
  border-color: var(--primary-accent) !important;
  color: var(--primary-accent) !important;
  opacity: 0.5;
}

.text-primary {
  color: var(--primary-accent) !important;
}

.border-primary {
  border-color: var(--primary-accent) !important;
}

.nav-tabs .nav-link {
  color: #6c757d;
}

.nav-tabs .nav-link.active {
  color: var(--primary-accent) !important;
  border-bottom-color: transparent;
}

[data-bs-theme="dark"] .nav-tabs .nav-link.active {
  color: #28a745 !important; /* Lighter green for dark mode contrast */
}

/* Drag & Drop Area */
.drop-zone {
  border: 2px dashed #6c757d;
  transition: all 0.3s ease;
  cursor: pointer;
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--primary-accent);
  background-color: rgba(27, 122, 56, 0.05);
}

[data-bs-theme="dark"] .drop-zone {
  border-color: #495057;
}

[data-bs-theme="dark"] .drop-zone:hover, [data-bs-theme="dark"] .drop-zone.dragover {
  border-color: #28a745;
  background-color: rgba(40, 167, 69, 0.1);
}

/* Sortable Headers */
.sortable {
  cursor: pointer;
  user-select: none;
}

/* Miscellaneous */
.navbar {
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
[data-bs-theme="dark"] .navbar {
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* Transaction Tables & Cards */
.category-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.25rem;
}

/* Mobile Flat List Style */
@media (max-width: 768px) {
  .transaction-table {
    display: block;
    width: 100%;
    border: none;
  }
  .transaction-table thead {
    display: none; /* Hide headers on mobile */
  }
  .transaction-table tbody {
    display: flex;
    flex-direction: column;
  }
  .transaction-table tr {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    border-radius: 0;
    padding: 0;
    margin-bottom: 0;
    box-shadow: none;
    position: relative;
    border: none;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    transition: background-color 0.2s ease;
  }
  .transaction-table tr:active {
    background-color: rgba(0,0,0,0.05);
  }
  [data-bs-theme="dark"] .transaction-table tr {
    background-color: transparent;
    border-color: rgba(255,255,255,0.08);
    box-shadow: none;
  }
  .transaction-table td {
    display: block;
    padding: 0 !important;
    border: none !important;
  }
  .transaction-table td:not(.mobile-visible) {
    display: none;
  }
  .transaction-table tr.divider-row {
    display: block;
    border-bottom: none;
  }
  .transaction-table tr.divider-row:active {
    background-color: transparent;
  }
  .transaction-table tr.divider-row td {
    display: block !important;
    width: 100%;
  }
  #appTabsContent {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
}

/* Divider Rows Global */
.divider-row td {
  letter-spacing: 0.5px;
}
[data-bs-theme="dark"] .month-divider-row td {
  background-color: rgba(255, 255, 255, 0.05) !important;
}

/* Tags Suggestion Box */
#tagsSuggestionBox {
  background-color: var(--bs-body-bg);
  border: 1px solid var(--bs-border-color);
  max-height: 200px;
  overflow-y: auto;
  z-index: 1100;
}

#tagsSuggestionBox .list-group-item {
  cursor: pointer;
  transition: background-color 0.2s ease;
}

#tagsSuggestionBox .list-group-item:hover {
  background-color: var(--bs-secondary-bg);
}

/* Detailed Category Breakdown Styles */
.category-item {
  transition: background-color 0.2s ease;
  cursor: pointer;
}

.category-item:hover {
  background-color: rgba(27, 122, 56, 0.03);
}

[data-bs-theme="dark"] .category-item:hover {
  background-color: rgba(40, 167, 69, 0.05);
}

.category-header {
  padding: 1rem 1.25rem;
}

.subcategory-list {
  background-color: var(--bs-tertiary-bg);
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease-out;
}

.subcategory-list.show {
  max-height: 1000px; /* Large enough to fit content */
  transition: max-height 0.5s ease-in;
}

.subcategory-item {
  padding: 0.75rem 1.25rem 0.75rem 3.5rem;
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(0,0,0,0.03);
}

[data-bs-theme="dark"] .subcategory-item {
  border-bottom-color: rgba(255,255,255,0.03);
}

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

.category-progress {
  height: 4px;
  border-radius: 2px;
  background-color: var(--bs-secondary-bg);
  margin-top: 0.5rem;
  overflow: hidden;
}

.category-progress-bar {
  height: 100%;
  background-color: var(--primary-accent);
  transition: width 0.6s ease;
}

.chevron-icon {
  transition: transform 0.3s ease;
}

.category-item.expanded .chevron-icon {
  transform: rotate(180deg);
}

.category-amount-badge {
  font-weight: 700;
  font-size: 1rem;
}