:root {
  /* Dynamic Design Tokens */
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;

  /* Shared Defaults */
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 8px;

  /* Light Mode (Default) */
  --bg-app: #f8f9fc;
  --bg-surface: #ffffff;
  --bg-header: #ffffff;
  --bg-controls: #f1f3f9;
  --bg-tab-active: #ffffff;
  --bg-tab-inactive: transparent;

  --border: #e2e8f0;
  --border-hover: #cbd5e1;

  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;

  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.1);
  --accent-hover: #1d4ed8;

  --row-hover: #f8fafc;
  --sticky-header: #f8f9fc;

  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-app: #0f172a;
    --bg-surface: #1e293b;
    --bg-header: #0f172a;
    --bg-controls: #1e293b;
    --bg-tab-active: #334155;

    --border: #334155;
    --border-hover: #475569;

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent: #3b82f6;
    --accent-soft: rgba(59, 130, 246, 0.2);
    --accent-hover: #60a5fa;

    --row-hover: rgba(255, 255, 255, 0.03);
    --sticky-header: #0f172a;
  }
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-app);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

.page-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100%;
}

/* --- Compact Header --- */
.compact-header {
  padding: 0.75rem 1.5rem;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-main {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1rem;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

h1 {
  font-size: 1.1rem;
  font-weight: 700;
  white-space: nowrap;
}

.subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: none;
  /* Hide on small, show on large if needed */
}

@media (min-width: 1024px) {
  .subtitle {
    display: block;
  }
}

/* --- Controls Row --- */
.controls-container {
  padding: 0.5rem 1.5rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  z-index: 20;
}

.tab-bar {
  display: flex;
  background: var(--bg-controls);
  padding: 0.25rem;
  border-radius: var(--border-radius);
  gap: 0.2rem;
}

.tab-button {
  padding: 0.4rem 1rem;
  border: none;
  background: var(--bg-tab-inactive);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.tab-button.active {
  background: var(--bg-tab-active);
  color: var(--accent);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.tab-button:hover:not(.active) {
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.05);
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 360px;
}

.search-box i {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.search-input {
  width: 100%;
  padding: 0.5rem 2rem 0.5rem 2.25rem;
  background: var(--bg-controls);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: 0.85rem;
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-surface);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.clear-btn {
  position: absolute;
  right: 0.4rem;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: none;
  background: var(--border);
  color: var(--text-secondary);
  font-size: 0.7rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.clear-btn.visible {
  opacity: 1;
}

.clear-btn:hover {
  background: var(--text-muted);
  color: #fff;
}

.filters-section {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-select {
  padding: 0.45rem 2rem 0.45rem 0.75rem;
  background: var(--bg-controls);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  background-size: 1rem;
  min-width: 180px;
}

.filter-select:hover {
  border-color: var(--border-hover);
}

.filter-select:focus {
  outline: none;
  border-color: var(--accent);
}

.checkbox-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0 0.5rem;
  user-select: none;
}

.checkbox-container input {
  cursor: pointer;
}

.checkbox-container:hover {
  color: var(--text-primary);
}

.checkbox-container.hidden {
  display: none !important;
}

.reset-filters-btn {
  padding: 0.45rem 0.75rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.reset-filters-btn:hover {
  background: var(--bg-controls);
  color: var(--text-primary);
}

.filters-section.hidden {
  display: none;
}

.date-range-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-controls);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: 0 0.5rem;
}

.filter-input {
  padding: 0.45rem 0.5rem;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: inherit;
  width: 125px;
}

.filter-input:focus {
  outline: none;
}

.date-separator {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.date-separator {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* --- Sandingan Split View --- */
.sandingan-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  padding: 1.5rem;
  height: 100%;
  overflow: hidden;
}

.sandingan-pane {
  display: flex;
  flex-direction: column;
  background: var(--bg-controls);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.pane-header {
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.05rem;
  text-align: center;
}

.pane-table-wrapper {
  flex: 1;
  overflow: auto;
}

.pane-table-wrapper table thead th {
  position: sticky;
  top: 0;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  font-size: 0.65rem;
  padding: 0.5rem 0.75rem;
}

.pane-table-wrapper table tbody td {
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  background: var(--bg-surface);
}

.sandingan-container.hidden {
  display: none;
}

/* --- Table Area --- */
.table-card {
  flex: 1;
  background: var(--bg-surface);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.table-wrapper {
  flex: 1;
  overflow: auto;
  position: relative;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  table-layout: auto;
}

thead th {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--sticky-header);
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05rem;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

thead th.sortable {
  cursor: pointer;
  user-select: none;
}

thead th.sortable:hover {
  color: var(--accent);
  background: var(--row-hover);
}

.sort-indicator {
  display: inline-block;
  margin-left: 0.4rem;
  width: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

th.asc .sort-indicator::after {
  content: '↑';
  color: var(--accent);
}

th.desc .sort-indicator::after {
  content: '↓';
  color: var(--accent);
}

tbody td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-primary);
  line-height: 1.4;
}

tbody tr.mismatch {
  background: rgba(245, 158, 11, 0.1);
}

tbody tr.mismatch td:nth-child(5),
tbody tr.mismatch td:nth-child(7) {
  color: #f59e0b;
  font-weight: 700;
}

tbody tr:hover {
  background: var(--row-hover);
}

tbody tr:last-child td {
  border-bottom: none;
}

.empty {
  text-align: center;
  padding: 5rem 1rem !important;
  color: var(--text-muted);
  font-style: italic;
}

/* --- Fixed Footer --- */
.fixed-footer {
  height: 3.5rem;
  padding: 0 1.5rem;
  background: var(--bg-header);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.footer-info {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.tab-caption {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
}

.refresh-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.refresh-meta .value {
  font-family: ui-monospace, 'Cascadia Code', monospace;
  font-weight: 600;
  color: var(--text-primary);
}

.ghost {
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--border-radius);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.ghost:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

/* --- Infinite Scroll & Loading --- */
#infinite-scroll-sentinel {
  height: 2px;
}

.loading-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.loading-indicator.hidden {
  display: none;
}

.spinner {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* --- Scrollbars --- */
.table-wrapper::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.table-wrapper::-webkit-scrollbar-track {
  background: transparent;
}

.table-wrapper::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 10px;
}

.table-wrapper::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}