/**
 * Final EIS and ROD — document cards + PDF viewer.
 */

.ref-docs-page .ref-docs-page-header {
  margin-bottom: var(--space-8);
}

.ref-docs-page-header h2 {
  margin: 0 0 var(--space-3);
  font-size: 1.75rem;
  line-height: 1.3;
  color: var(--color-primary-dark);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: var(--space-3);
}

.ref-docs-page-intro,
.ref-docs-section-desc,
.ref-docs-empty {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 52rem;
}

.ref-docs-section-title {
  margin: 0 0 var(--space-2);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.ref-docs-download-section {
  margin-bottom: var(--space-10);
}

.ref-docs-section-desc {
  margin-bottom: var(--space-6);
}

.ref-docs-card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.ref-docs-card {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--space-4);
  align-items: start;
  padding: var(--space-5) var(--space-6);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.ref-docs-card-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 1.125rem;
  flex-shrink: 0;
}

.ref-docs-card-title {
  margin: 0 0 var(--space-2);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text);
}

.ref-docs-card-meta {
  margin: 0 0 var(--space-4);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.ref-docs-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.ref-docs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius);
  font: inherit;
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.3;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.ref-docs-btn-download {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary-dark);
}

.ref-docs-btn-download:hover,
.ref-docs-btn-download:focus {
  background: var(--color-primary-dark);
  color: #fff;
}

.ref-docs-btn-preview {
  background: var(--color-bg);
  color: var(--color-primary-dark);
  border-color: var(--color-border);
}

.ref-docs-btn-preview:hover,
.ref-docs-btn-preview:focus,
.ref-docs-btn-preview.is-active {
  border-color: var(--color-primary);
  background: var(--color-bg-muted);
  color: var(--color-primary-dark);
}

.ref-docs-preview-notice {
  margin: var(--space-3) 0 0;
  padding: var(--space-3) var(--space-4);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-primary-dark);
  background: var(--color-bg-muted);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius);
}

.ref-docs-preview-notice--global {
  margin-top: var(--space-4);
}

.ref-docs-viewer-section {
  margin-top: var(--space-8);
  margin-left: auto;
  margin-right: auto;
  max-width: 42rem;
  padding: var(--space-5);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.ref-docs-viewer-heading {
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.ref-docs-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding: var(--space-4);
  background: var(--color-bg-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.ref-docs-toolbar-label {
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.ref-docs-select {
  flex: 1 1 16rem;
  min-width: 0;
  max-width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font: inherit;
  color: var(--color-text);
  background: var(--color-bg);
}

.ref-docs-select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.ref-docs-viewer-canvas {
  min-height: 14rem;
  max-height: 50vh;
  overflow: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #525659;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-3);
}

.ref-docs-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 12rem;
  width: 100%;
  color: #f0f0f0;
  text-align: center;
  gap: var(--space-3);
}

.ref-docs-spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 3px solid rgba(255, 255, 255, 0.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: ref-docs-spin 0.9s linear infinite;
}

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

.ref-docs-pdf-page {
  margin: 0 auto var(--space-4);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  background: #fff;
  line-height: 0;
}

.ref-docs-pdf-page canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

.ref-docs-viewer-canvas--native {
  min-height: 20rem;
  max-height: 55vh;
  padding: var(--space-3);
  background: var(--color-bg-muted);
}

.ref-docs-fallback-note {
  margin: 0 0 var(--space-3);
  padding: var(--space-2) var(--space-3);
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  width: 100%;
  box-sizing: border-box;
}

.ref-docs-pdf-embed {
  display: block;
  width: 100%;
  min-height: 18rem;
  height: 48vh;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
}

.ref-docs-controls {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.ref-docs-controls[hidden] {
  display: none !important;
}

.ref-docs-controls-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.ref-docs-controls-pager {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: var(--space-2);
}

.ref-docs-controls-jump {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: var(--space-2);
}

.ref-docs-control-btn {
  padding: var(--space-2) var(--space-3);
  min-height: 2.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  white-space: nowrap;
}

.ref-docs-control-btn:hover:not(:disabled),
.ref-docs-control-btn:focus:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.ref-docs-control-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.ref-docs-page-status {
  display: inline-flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.35em;
  margin: 0;
  padding: 0 var(--space-2);
  min-width: 6.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.ref-docs-page-status strong {
  color: var(--color-text);
  font-weight: 700;
  font-size: 0.9375rem;
}

.ref-docs-controls-jump label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.ref-docs-page-input {
  width: 3.25rem;
  min-height: 2.25rem;
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font: inherit;
  font-size: 0.875rem;
  text-align: center;
  box-sizing: border-box;
}

.ref-docs-control-btn-go {
  min-width: 2.75rem;
}

@media (max-width: 520px) {
  .ref-docs-controls-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .ref-docs-controls-pager,
  .ref-docs-controls-jump {
    justify-content: center;
  }
}

@media (min-width: 640px) {
  .ref-docs-card {
    grid-template-columns: 3.5rem 1fr;
  }

  .ref-docs-card-number {
    width: 3.5rem;
    height: 3.5rem;
  }
}

@media (max-width: 480px) {
  .ref-docs-card {
    grid-template-columns: 1fr;
    padding: var(--space-4);
  }

  .ref-docs-card-number {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1rem;
  }

  .ref-docs-card-actions {
    flex-direction: column;
  }

  .ref-docs-btn {
    width: 100%;
  }
}