:root {
  --sidebar-width: 380px;
  --header-height: 70px;
  --primary: #1a73e8;
  --primary-hover: #1557b0;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-muted: #64748b;
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.2s ease;
}

.dark-mode {
  --bg: #0f172a;
  --card-bg: #1e293b;
  --border: #334155;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
}

* { box-sizing: border-box; }

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  min-height: 100vh;
}

.background-elements {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}

.blob-1 { width: 400px; height: 400px; top: -100px; right: -100px; background: var(--primary); }
.blob-2 { width: 300px; height: 300px; bottom: -50px; left: -50px; background: var(--success); }

/* Header */
.header-historical {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.dark-mode .header-historical { background: rgba(15,23,42,0.8); }

.back-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.back-link:hover { color: var(--primary); background: var(--border); }

.header-center { flex: 1; text-align: center; }

.header-center h1 {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0;
  background: linear-gradient(135deg, var(--primary), var(--success));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-center h1 span { color: var(--primary); }

.subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 4px 0 0;
}

.btn-config {
  width: 44px;
  height: 44px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.btn-config:hover { background: var(--border); transform: scale(1.05); }

/* Container */
.container-historical {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: calc(100vh - var(--header-height));
  gap: 0;
}

/* Sidebar */
.sidebar {
  background: var(--card-bg);
  border-right: 1px solid var(--border);
  padding: 20px;
  overflow-y: auto;
  height: calc(100vh - var(--header-height));
  position: sticky;
  top: var(--header-height);
}

.panel {
  margin-bottom: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card-bg);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}

.panel-header h2 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toggle-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  transition: var(--transition);
}

.toggle-btn:hover { background: var(--border); color: var(--text); }

.panel.collapsible:not(.open) .panel-content {
  display: none;
}

.panel.collapsible:not(.open) .toggle-btn i {
  transform: rotate(-90deg);
}

.panel-content {
  padding: 16px;
}

/* Dataset Selector */
.dataset-group legend {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
  padding: 0 4px;
}

.dataset-options { display: flex; flex-direction: column; gap: 6px; }

.dataset-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.dataset-option:hover { border-color: var(--primary); background: rgba(26,115,232,0.05); }

.dataset-option:has(input:checked) {
  border-color: var(--primary);
  background: rgba(26,115,232,0.1);
}

.dataset-option input { position: absolute; opacity: 0; pointer-events: none; }

.dataset-icon { font-size: 1.25rem; }

.dataset-details { flex: 1; min-width: 0; }

.dataset-details strong { display: block; font-size: 0.9rem; font-weight: 600; }

.dataset-details small { color: var(--text-muted); font-size: 0.75rem; }

.dataset-meta {
  font-size: 0.7rem;
  color: var(--text-muted);
  background: var(--bg);
  padding: 4px 8px;
  border-radius: 20px;
  white-space: nowrap;
}

/* Advanced Filters */
.filter-section { margin-bottom: 20px; }

.filter-section h4 {
  margin: 0 0 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-section h4 i { color: var(--primary); font-size: 1rem; }

.checkbox-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  cursor: pointer;
}

.checkbox-group input { accent-color: var(--primary); }

/* Inputs */
input[type="text"], input[type="number"], input[type="date"], select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  transition: var(--transition);
}

input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,115,232,0.15);
}

input::placeholder { color: var(--text-muted); }

.input-group { position: relative; }

.input-group .btn-icon {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
}

/* Date Range */
.date-range { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.date-input-group label { display: block; font-size: 0.75rem; font-weight: 500; margin-bottom: 6px; color: var(--text-muted); }

.date-presets { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }

.date-presets button {
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  border-radius: 20px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
}

.date-presets button:hover { border-color: var(--primary); color: var(--primary); }

/* Value Range */
.value-range { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.value-input-group label { display: block; font-size: 0.75rem; font-weight: 500; margin-bottom: 6px; color: var(--text-muted); }

/* Filter Actions */
.filter-actions {
  display: flex;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  margin-top: 10px;
}

.filter-actions .btn-primary { flex: 1; }
.filter-actions .btn-secondary { flex: 1; }

/* Buttons */
.btn-primary, .btn-secondary, .btn-success, .btn-danger, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary { background: var(--card-bg); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-secondary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #059669; }

.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #dc2626; }

.btn-ghost { background: transparent; color: var(--text-muted); border: 1px solid transparent; }
.btn-ghost:hover { background: var(--bg); color: var(--text); }

.btn-icon { background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 4px; }
.btn-icon:hover { color: var(--text); }

.btn-link { color: var(--primary); text-decoration: none; padding: 8px; border-radius: 6px; transition: var(--transition); }
.btn-link:hover { background: rgba(26,115,232,0.1); }

/* Territory Selector */
.territory-selector { display: flex; flex-direction: column; gap: 10px; }

.selector-row select { width: 100%; }

/* Entity Autocomplete */
.entity-autocomplete { position: relative; }

.suggestions-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  max-height: 300px;
  overflow-y: auto;
  z-index: 50;
  margin-top: 4px;
}

.suggestions-dropdown.hidden { display: none; }

.suggestion-item {
  width: 100%;
  text-align: left;
  padding: 12px;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: var(--transition);
}

.suggestion-item:hover { background: var(--bg); }

.entity-name { font-weight: 500; font-size: 0.9rem; }
.entity-nit { font-size: 0.75rem; color: var(--text-muted); }
.entity-name mark { background: rgba(26,115,232,0.2); padding: 0 2px; border-radius: 2px; }

.loading, .no-results, .error { padding: 12px; text-align: center; color: var(--text-muted); font-size: 0.85rem; }

/* Thematic Selector */
.thematic-search { margin-bottom: 12px; }

.thematic-tree { max-height: 320px; overflow-y: auto; font-size: 0.85rem; }

.tree-list { display: flex; flex-direction: column; }

.tree-node { display: flex; flex-direction: column; }

.tree-label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 5px 6px;
  border-radius: 6px;
  transition: var(--transition);
}

.tree-label:hover { background: var(--bg); }

.tree-label input { accent-color: var(--primary); flex-shrink: 0; }

.tree-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: 4px;
  flex-shrink: 0;
  font-size: 0.7rem;
  transition: transform 0.15s ease;
}

.tree-toggle:disabled { opacity: 0; cursor: default; }
.tree-toggle:hover:not(:disabled) { background: var(--border); color: var(--text); }

.tree-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tree-code { font-size: 0.68rem; color: var(--text-muted); font-family: monospace; flex-shrink: 0; }

.tree-children { padding-left: 14px; margin-left: 8px; border-left: 1px solid var(--border); }

.selected-codes { margin-top: 12px; padding: 10px; background: var(--bg); border-radius: var(--radius-sm); font-size: 0.8rem; }

.code-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }

.code-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--primary);
  color: white;
  padding: 4px 8px;
  border-radius: 20px;
  font-size: 0.7rem;
}

.code-tag button {
  background: rgba(255,255,255,0.2);
  border: none;
  color: white;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  line-height: 1;
}

.code-tag button:hover { background: rgba(255,255,255,0.4); }

.empty { text-align: center; color: var(--text-muted); padding: 20px; font-size: 0.85rem; }

/* Search History */
.history-list { list-style: none; padding: 0; margin: 0; max-height: 300px; overflow-y: auto; }

.history-item {
  padding: 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  margin-bottom: 8px;
}

.history-item:hover { background: var(--bg); border-color: var(--border); }

.history-main { display: flex; flex-direction: column; gap: 4px; }

.history-query { font-weight: 500; font-size: 0.85rem; }
.history-meta { font-size: 0.7rem; color: var(--text-muted); }

.history-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }

.tag {
  background: var(--primary);
  color: white;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.65rem;
}

/* Main Content */
.main-content { padding: 24px; overflow-y: auto; }

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.results-info { font-weight: 500; color: var(--text-muted); }

.actions { display: flex; gap: 10px; }

/* Loader */
.loader-container { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 60px; gap: 16px; }

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Error */
.error-msg {
  background: rgba(239,68,68,0.1);
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 16px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.error-msg.hidden { display: none; }

/* Results Table */
.results-table-container { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }

.results-table-wrapper { overflow-x: auto; }

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.results-table th {
  background: var(--bg);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.results-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.results-table tr:last-child td { border-bottom: none; }

.results-table tr:hover td { background: var(--bg); }

.entity-cell { min-width: 200px; }

.entity-cell strong { display: block; }
.entity-cell .code { display: block; font-size: 0.7rem; color: var(--text-muted); margin-top: 2px; }

.process-cell { max-width: 300px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: capitalize;
}

.badge-draft { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-open { background: rgba(16,185,129,0.15); color: var(--success); }
.badge-closed { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-other { background: var(--border); color: var(--text-muted); }

.actions-cell { text-align: center; }

.table-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  margin-top: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.pagination-info { font-size: 0.85rem; color: var(--text-muted); }

.pagination-controls { display: flex; align-items: center; gap: 12px; }

#pageIndicator { min-width: 100px; text-align: center; font-weight: 500; }

/* Config Modal */
.config-modal {
  border: none;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  width: 90%;
  padding: 0;
  background: var(--card-bg);
}

.config-modal::backdrop { background: rgba(0,0,0,0.5); backdrop-filter: blur(4px); }

.config-form { padding: 24px; }

.config-form header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.config-form header h2 { margin: 0; font-size: 1.25rem; }

.close-btn { background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 8px; border-radius: 8px; }
.close-btn:hover { background: var(--bg); color: var(--text); }

.config-section { margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }

.config-section:last-of-type { border-bottom: none; }

.config-section h3 { margin: 0 0 16px; font-size: 0.95rem; font-weight: 600; display: flex; align-items: center; gap: 8px; }

.config-section h3 i { color: var(--primary); }

.config-section.danger h3 i { color: var(--danger); }

.hint { font-size: 0.8rem; color: var(--text-muted); margin: 0 0 12px; }

.hint a { color: var(--primary); }

.token-actions { display: flex; gap: 10px; margin-top: 10px; }

.token-actions .btn-primary { flex: 1; }
.token-actions .btn-success { flex: 1; }

.token-status { margin-top: 10px; padding: 10px; border-radius: var(--radius-sm); font-size: 0.85rem; }

.token-status.loading { background: rgba(26,115,232,0.1); color: var(--primary); }
.token-status.success { background: rgba(16,185,129,0.1); color: var(--success); }
.token-status.error { background: rgba(239,68,68,0.1); color: var(--danger); }

.checkbox { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; cursor: pointer; font-size: 0.9rem; }
.checkbox input { accent-color: var(--primary); }

.config-form footer {
  display: flex;
  justify-content: flex-end;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.config-form footer button { min-width: 100px; }

/* Empty States */
.hidden { display: none !important; }

.loading, .empty, .error {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
  .container-historical { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    left: -100%;
    top: var(--header-height);
    bottom: 0;
    width: var(--sidebar-width);
    z-index: 200;
    transition: left 0.3s ease;
    box-shadow: var(--shadow-lg);
  }
  .sidebar.open { left: 0; }
  .main-content { padding: 16px; }
}

@media (max-width: 768px) {
  :root { --sidebar-width: 100vw; }
  .header-historical { padding: 0 16px; }
  .checkbox-group, .date-range, .value-range { grid-template-columns: 1fr; }
  .toolbar { flex-direction: column; gap: 16px; align-items: stretch; }
  .actions { justify-content: center; }
}