/**
 * Main Stylesheet for SSB Statistikkbank Alternative
 * Norwegian color scheme and clean design
 */

/* ========== CSS Reset & Base Styles ========== */

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

:root {
  /* Colors - Norwegian palette inspired by SSB */
  --color-primary: #274247;
  --color-primary-light: #3a5f66;
  --color-primary-dark: #1a2d31;
  --color-secondary: #1a9d49;
  --color-accent: #c56a00;
  --color-background: #f5f5f5;
  --color-surface: #ffffff;
  --color-border: #d0d0d0;
  --color-text: #2f2f2f;
  --color-text-light: #666666;
  --color-error: #c52a1a;
  --color-success: #1a9d49;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 2rem;

  /* Borders */
  --border-radius: 4px;
  --border-radius-lg: 8px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
}

html {
  font-size: var(--font-size-base);
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-background);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ========== Typography ========== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-primary-dark);
}

h1 {
  font-size: var(--font-size-xxl);
}

h2 {
  font-size: var(--font-size-xl);
}

h3 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ========== Layout ========== */

header {
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-lg) var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.header-content h1 {
  color: white;
  margin-bottom: var(--spacing-xs);
}

.subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-sm);
  margin: 0;
}

main {
  flex: 1;
  padding: var(--spacing-xl);
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) var(--spacing-xl);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

footer p {
  margin: var(--spacing-xs) 0;
}

footer a {
  color: var(--color-primary);
}

.footer-separator {
  margin: 0 var(--spacing-xs);
  color: var(--color-text-light);
}

/* ========== View Container ========== */

.view-container {
  background: var(--color-surface);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xl);
}

.view-header {
  margin-bottom: var(--spacing-xl);
}

.view-header h2 {
  margin-bottom: var(--spacing-sm);
}

.view-description {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

.table-id-display {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  font-weight: 600;
  margin: var(--spacing-sm) 0;
}

/* ========== Buttons ========== */

button {
  font-family: inherit;
  font-size: var(--font-size-base);
  cursor: pointer;
  border: none;
  border-radius: var(--border-radius);
  padding: var(--spacing-sm) var(--spacing-lg);
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--color-secondary);
  color: white;
  font-weight: 600;
}

.btn-primary:hover:not(:disabled) {
  background: #158a3e;
}

.btn-primary:disabled {
  background: #cccccc;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-background);
  border-color: var(--color-primary);
}

.btn-link {
  background: none;
  color: var(--color-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  text-decoration: none;
}

.btn-link:hover {
  text-decoration: underline;
}

/* ========== Loading & Error States ========== */

#loading-indicator {
  position: fixed;
  top: 80px;
  right: var(--spacing-xl);
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  font-weight: 600;
}

#error-display {
  margin-bottom: var(--spacing-lg);
}

.error-message {
  background: #fce8e6;
  border: 1px solid var(--color-error);
  border-left: 4px solid var(--color-error);
  color: var(--color-error);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}

.loading-message {
  text-align: center;
  padding: var(--spacing-xxl);
  color: var(--color-text-light);
  font-style: italic;
}

.no-results {
  text-align: center;
  padding: var(--spacing-xxl);
  color: var(--color-text-light);
}

/* ========== Search & Filters ========== */

.search-container {
  margin-bottom: var(--spacing-lg);
}

.search-input {
  width: 100%;
  padding: var(--spacing-md);
  font-size: var(--font-size-base);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: border-color 0.2s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.search-info {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.filter-container {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.filter-select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: var(--color-surface);
  font-size: var(--font-size-sm);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  user-select: none;
}

.checkbox-label input[type="checkbox"] {
  cursor: pointer;
  width: 16px;
  height: 16px;
}

.info-message {
  text-align: center;
  padding: var(--spacing-xxl);
  color: var(--color-text-light);
  font-style: italic;
}

/* ========== Table Browser ========== */

.table-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.table-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: all 0.2s ease;
}

.table-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.table-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.table-id {
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--font-size-lg);
}

.table-timeunit {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  background: var(--color-background);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
}

.table-title {
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-base);
  line-height: 1.4;
}

.table-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.table-meta-item {
  margin-bottom: var(--spacing-xs);
}

.table-meta-item strong {
  color: var(--color-text);
}

/* ========== Variable Selection ========== */

.variables-container {
  margin-bottom: var(--spacing-xl);
}

.variable-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.variable-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-border);
}

.variable-name {
  color: var(--color-primary-dark);
  font-size: var(--font-size-lg);
  margin: 0;
}

.variable-info {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  background: var(--color-background);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
}

.variable-controls {
  margin-bottom: var(--spacing-md);
}

.control-row {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.btn-active {
  background: var(--color-primary) !important;
  color: white !important;
  border-color: var(--color-primary) !important;
}

.top-n-input {
  width: 60px;
  padding: var(--spacing-xs);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  text-align: center;
}

.top-n-group {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.top-n-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

/* Value filter */
.value-filter-container {
  margin-bottom: var(--spacing-sm);
}

.value-filter-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: border-color 0.2s ease;
}

.value-filter-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* Value counter */
.value-counter {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
}

.value-counter .selected-count {
  font-weight: 600;
  color: var(--color-primary);
}

/* List selector */
.value-list-container {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  max-height: 350px;
  overflow-y: auto;
  background: var(--color-surface);
  user-select: none;
}

.value-list-container.mode-inactive {
  opacity: 0.5;
  pointer-events: none;
}

.value-list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-md);
  cursor: pointer;
  border-bottom: 1px solid #eee;
  font-size: var(--font-size-sm);
  transition: background-color 0.1s ease;
}

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

.value-list-item:hover {
  background: #e8f0f2;
}

.value-list-item.selected {
  background: #d4edda;
  border-left: 3px solid var(--color-success);
}

.value-list-item.selected:hover {
  background: #c3e6cb;
}

.value-list-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-right: var(--spacing-sm);
}

.value-list-code {
  font-size: 0.75rem;
  color: var(--color-text-light);
  white-space: nowrap;
  font-family: monospace;
}

.truncate-notice {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  font-style: italic;
}

.variable-selection-summary {
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
  border-radius: var(--border-radius);
}

.summary-valid {
  background: #e8f5e9;
  color: var(--color-success);
}

.summary-invalid {
  background: #fce8e6;
  color: var(--color-error);
}

.summary-optional {
  background: #e3f2fd;
  color: #1565c0;
}

/* Variable badges (valgfri/obligatorisk) */
.variable-badge {
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-weight: 600;
  white-space: nowrap;
}

.badge-optional {
  background: #e3f2fd;
  color: #1565c0;
  border: 1px solid #90caf9;
}

.badge-required {
  background: #fff3e0;
  color: #e65100;
  border: 1px solid #ffcc80;
}

/* Codelist dropdown selector */
.codelist-selector {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm);
  background: var(--color-background);
  border-radius: var(--border-radius);
}

.codelist-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.codelist-dropdown {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: var(--color-surface);
  font-size: var(--font-size-sm);
  font-family: inherit;
  cursor: pointer;
}

.codelist-dropdown:focus {
  outline: none;
  border-color: var(--color-primary);
}

.codelist-dropdown:disabled {
  opacity: 0.6;
  cursor: wait;
}

/* Value list focus state (for Ctrl+A) */
.value-list-container:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

/* API query preview */
.query-preview-container {
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: var(--color-background);
}

.query-preview-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  text-align: left;
  font-family: inherit;
}

.query-preview-toggle:hover {
  background: rgba(39, 66, 71, 0.05);
}

.query-toggle-icon {
  font-size: 0.75rem;
  display: inline-block;
  width: 1em;
  text-align: center;
}

.query-preview-content {
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.query-preview-url {
  display: block;
  padding: var(--spacing-md);
  background: #1e2a2d;
  color: #e0e0e0;
  border-radius: var(--border-radius);
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: var(--font-size-sm);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ========== Enhanced API Builder ========== */

.api-builder-options-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm) var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.api-builder-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.api-builder-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.api-format-select {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: var(--color-surface);
  font-size: var(--font-size-sm);
  font-family: inherit;
  cursor: pointer;
}

.api-builder-section {
  margin-bottom: var(--spacing-md);
}

.api-builder-section:last-of-type {
  margin-bottom: 0;
}

.api-builder-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
}

.api-builder-section-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.api-builder-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.api-copy-toast {
  font-size: var(--font-size-sm);
  color: var(--color-success);
  font-weight: 600;
  margin-top: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
}

.action-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  background: var(--color-background);
  border-radius: var(--border-radius);
}

.selection-summary {
  font-size: var(--font-size-sm);
}

.selection-status-valid {
  color: var(--color-success);
  font-weight: 600;
}

.selection-status-invalid {
  color: var(--color-text-light);
}

.cell-count-display {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
}

/* ========== Dialog/Modal ========== */

.dialog-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: var(--spacing-xl);
}

.dialog-box {
  background: var(--color-surface);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.dialog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.dialog-header h3 {
  margin: 0;
}

.dialog-close {
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-text-light);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dialog-close:hover {
  color: var(--color-text);
}

.dialog-content {
  padding: var(--spacing-lg);
  overflow-y: auto;
  flex: 1;
}

.dialog-description {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.dialog-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

/* ========== Rotation Dialog ========== */

.rotation-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.dimension-zone h4 {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary-dark);
}

.dimension-dropzone {
  min-height: 200px;
  background: var(--color-background);
  border: 2px dashed var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
}

.dimension-dropzone.drag-over {
  border-color: var(--color-primary);
  background: rgba(39, 66, 71, 0.05);
}

.empty-zone {
  text-align: center;
  color: var(--color-text-light);
  font-style: italic;
  padding: var(--spacing-xl);
}

.dimension-chip {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  cursor: move;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s ease;
}

.dimension-chip:hover {
  box-shadow: var(--shadow-sm);
  border-color: var(--color-primary);
}

.dimension-chip.dragging {
  opacity: 0.5;
}

.dimension-name {
  font-weight: 600;
  color: var(--color-text);
}

.dimension-count {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.rotation-presets {
  padding: var(--spacing-md);
  background: var(--color-background);
  border-radius: var(--border-radius);
}

.rotation-presets p {
  margin-bottom: var(--spacing-sm);
}

.preset-btn {
  margin-right: var(--spacing-md);
}

/* ========== Responsive Design ========== */

@media (max-width: 768px) {
  main {
    padding: var(--spacing-md);
  }

  .view-container {
    padding: var(--spacing-md);
  }

  .table-cards {
    grid-template-columns: 1fr;
  }

  .rotation-container {
    grid-template-columns: 1fr;
  }

  .value-list-container {
    max-height: 250px;
  }

  .control-row {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .action-bar {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}

/* ========== Dialog / Modal Overlay ========== */

.dialog-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: var(--spacing-md);
}

.dialog-container {
  background: var(--color-surface);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.dialog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.dialog-header h3 {
  margin: 0;
  font-size: var(--font-size-xl);
  color: var(--color-primary-dark);
}

.dialog-close {
  background: none;
  border: none;
  font-size: 2rem;
  line-height: 1;
  color: var(--color-text-light);
  cursor: pointer;
  padding: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
  transition: background 0.2s, color 0.2s;
}

.dialog-close:hover {
  background: var(--color-background);
  color: var(--color-text);
}

.dialog-content {
  padding: var(--spacing-lg);
  flex: 1;
  overflow-y: auto;
}

.dialog-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

/* ========== Form Elements ========== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.radio-group,
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.radio-option,
.checkbox-option {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.radio-option:hover,
.checkbox-option:hover {
  background: var(--color-background);
  border-color: var(--color-primary);
}

.radio-option input[type="radio"],
.checkbox-option input[type="checkbox"] {
  margin-right: var(--spacing-sm);
  cursor: pointer;
  width: 1.2rem;
  height: 1.2rem;
  flex-shrink: 0;
}

.radio-option span,
.checkbox-option span {
  flex: 1;
}

/* Export Info Box */
.export-info {
  background: var(--color-background);
  border-left: 3px solid var(--color-primary);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-top: var(--spacing-lg);
}

.export-info p {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.export-info p:last-child {
  margin-bottom: 0;
}

/* Responsive Dialog */
@media (max-width: 768px) {
  .dialog-container {
    max-width: 100%;
    max-height: 100vh;
    border-radius: 0;
  }

  .dialog-header,
  .dialog-content,
  .dialog-footer {
    padding: var(--spacing-md);
  }
}