/* SINGLE RESOURCE */
/* ============================================
   SINGLE RESOURCE TEMPLATE
   Activity card, structured content, instructions, definitions, footer
   ============================================ */

/* Activity card layout */
.resource-activity-card {
  background: var(--resource-card-bg, var(--white));
  border-radius: 0;
  padding: 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  max-width: 100%;
  width: 100%;
}

/* Mobile: full-width with no padding */
@media screen and (max-width: 767px) {
  .single-resource .section {
    padding-left: 0;
    padding-right: 0;
  }

  .resource-activity-card {
    padding: 1.5rem 1rem;
    margin-left: 0;
    margin-right: 0;
    border-radius: 0;
  }
}

/* Desktop: centered container with standard padding */
@media screen and (min-width: 768px) {
  .single-resource .section {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .resource-activity-card {
    max-width: var(--container-width, min(1200px, 90vw));
    margin-left: auto;
    margin-right: auto;
    padding: 2rem;
  }
}

.resource-activity-header {
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color, var(--gray-200));
}

.resource-activity-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  line-height: 1.3;
}

.resource-activity-title-badge {
  display: inline-flex;
  margin: 0;
}

.resource-activity-title-dot {
  width: 10px;
  height: 10px;
  min-width: 10px;
  border-radius: 0;
  background: var(--resource-dot-color, var(--accent-green));
}

.resource-activity-overview {
  margin: 0 0 1rem 1.75rem;
  font-size: 0.8em;
  color: var(--text-muted, var(--gray-500));
  line-height: 1.65;
}

.resource-activity-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 0 1.75rem;
}

.resource-activity-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0.6rem 0 0 1.75rem;
}

.resource-stat {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.78rem;
  color: var(--gray-500);
  font-weight: 500;
}

.resource-tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.8em;
  font-weight: 500;
  line-height: 1.65;
  border-radius: 0;
  background: var(--resource-tag-bg, var(--gray-100));
  color: var(--resource-tag-color, var(--gray-700));
}

.resource-tag--theme {
  background: var(--resource-tag-theme-bg, var(--accent-blue-light));
  color: var(--resource-tag-theme-color, var(--accent-blue));
}

/* Theme-specific badge colors */
.resource-tag--safe {
  background: var(--badge-safe);
  color: var(--badge-black);
}

.resource-tag--smart {
  background: var(--badge-smart);
  color: var(--badge-black);
}

.resource-tag--creative {
  background: var(--badge-creative);
  color: var(--badge-black);
}

.resource-tag--responsible {
  background: var(--badge-responsible);
  color: var(--badge-black);
}

.resource-tag--future {
  background: var(--badge-future);
  color: var(--badge-black);
}

/* Section headings with icons */
.resource-section__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: clamp(0.8rem, 2.2vw, 1rem);
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--heading-color, inherit);
  min-width: 0;
  overflow-wrap: break-word;
  word-break: break-word;
  line-height: 1.25;
}

.resource-section__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  min-width: 28px;
  flex-shrink: 0;
  border-radius: 0;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1;
}

.resource-section__icon--info {
  background: var(--accent-blue-light);
  color: var(--accent-blue);
}
.resource-section__icon--info::before {
  content: "i";
  font-style: italic;
  font-family: serif;
}

.resource-section__icon--target {
  background: var(--accent-green-light);
  color: var(--accent-green-dark);
}
.resource-section__icon--target::before {
  content: "◎";
  font-size: 0.75rem;
}

.resource-section__icon--list {
  background: var(--accent-purple-light);
  color: var(--accent-purple-mid);
}
.resource-section__icon--list::before {
  content: "≡";
  font-size: 1rem;
  font-weight: 600;
}

.resource-section__icon--chat {
  background: var(--accent-blue-light);
  color: var(--accent-blue);
}
.resource-section__icon--chat::before {
  content: "\201C";
  font-size: 1.125rem;
  font-family: serif;
}

.resource-section__icon--lightbulb {
  background: var(--accent-amber-light);
  color: var(--accent-amber);
}
.resource-section__icon--lightbulb::before {
  content: "💡";
  font-size: 0.875rem;
}

/* Structured content sections */
.resource-sections {
  border-top: none;
  padding-top: 0;
}

#resource-content-sections {
  font-size: 0.8em;
  line-height: 1.65;
}

.resource-sections-row--prep-only {
  font-size: 0.8em;
  line-height: 1.65;
}

.resource-sections-row--prep-only .resource-sections-row {
  padding: 0 0 1.25rem;
  border-bottom: 1px solid var(--aiad-border, var(--gray-200));
}

.resource-sections-row--prep-only .resource-section__title {
  font-size: clamp(0.8rem, 2.2vw, 1rem);
}

.resource-sections-row--prep-only .resource-list li {
  margin-bottom: 0.625rem;
}

.resource-sections-row--prep-only .resource-section.mt-2rem {
  margin-top: 0;
}

.resource-sections--rows {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 0;
}

/* Consistent spacing between preparation and content sections */
.resource-sections-row--prep-only + #resource-content-sections {
  margin-top: 0;
  padding-top: 0;
}

.resource-sections-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--aiad-border, var(--gray-200));
}

.resource-sections-row:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.resource-sections-row:first-child {
  padding-top: 0;
}

.resource-section-cell {
  min-width: 0;
}

.resource-section-cell .resource-section {
  margin-bottom: 0;
}

.resource-sections-row--full {
  grid-template-columns: 1fr;
}

.resource-section-cell--full {
  grid-column: 1 / -1;
}

.resource-instruction-step {
  margin-bottom: 1rem;
}

.resource-instruction-duration,
.resource-instruction-ref,
.resource-instruction-student {
  display: inline-block;
  margin-right: 0.5rem;
  font-size: 0.8em;
  color: var(--text-muted, var(--gray-500));
}

/* Desktop: Style metadata as distinct pills */
@media screen and (min-width: 768px) {
  .resource-instruction-duration,
  .resource-instruction-ref,
  .resource-instruction-student {
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    font-weight: 500;
  }

  .resource-instruction-duration {
    background: var(--gray-100);
    color: var(--gray-600);
  }

  .resource-instruction-ref {
    background: var(--accent-purple-light, #f3e8ff);
    color: var(--accent-purple-dark, #6b21a8);
  }

  .resource-instruction-student {
    background: var(--accent-blue-light);
    color: var(--accent-blue-dark);
  }
}

.resource-instruction-tip {
  margin-top: 0.5rem;
  margin-bottom: 0;
  font-size: 0.95em;
  font-style: italic;
  color: var(--text-muted, var(--gray-500));
}

.resource-badge {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.15rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 0;
  background: var(--aiad-border, var(--gray-200));
  color: var(--text-muted, var(--gray-500));
}

.resource-badge--ks-adapted {
  background: var(--accent-blue-light);
  color: var(--accent-blue-dark);
}

.resource-diff-label {
  font-weight: 600;
  margin-top: 0.75rem;
  margin-bottom: 0.25rem;
}

.resource-diff-label:first-of-type {
  margin-top: 0;
}

.resource-diff-content {
  margin-bottom: 0.5rem;
}

@media screen and (max-width: 767px) {
  .resource-sections-row {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1rem 0;
  }
  
  .resource-sections-row:first-child {
    padding-top: 0;
  }

  .resource-section__title {
    font-size: 0.8rem;
    gap: 0.35rem;
    margin-bottom: 0.75rem;
  }

  .resource-section__icon {
    width: 22px;
    height: 22px;
    min-width: 22px;
    font-size: 0.75rem;
  }

  .resource-tag {
    font-size: 0.65em;
    padding: 0.15rem 0.5rem;
  }

  .resource-tag--level {
    display: none;
  }

  .resource-badge {
    display: none;
  }

  /* Restore native list markers on mobile */
  .resource-list {
    list-style: disc !important;
    padding-left: 1.5rem !important;
  }

  .resource-list li {
    padding-left: 0.25rem !important;
    display: list-item !important;
  }

  .resource-list--objectives {
    list-style: disc !important;
    padding-left: 1.5rem !important;
  }

  .resource-list--objectives li {
    display: list-item !important;
    padding-left: 0.25rem !important;
  }

  .resource-list--objectives li::before {
    display: none !important;
  }

  .resource-list--ordered,
  .resource-list--instructions {
    list-style: decimal !important;
    padding-left: 1.5rem !important;
  }

  .resource-list--instructions li {
    display: list-item !important;
    padding-left: 0.25rem !important;
  }

  .resource-list--instructions li::before {
    display: none !important;
  }
}

/* Section and list base: mobile-first, no markers by default */
.resource-section {
  margin-bottom: 2.25rem;
}

.resource-section:last-child {
  margin-bottom: 0;
}

.resource-section__subtitle {
  font-weight: 600;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
}

.resource-definitions {
  margin: 0;
}

.resource-definition {
  margin-bottom: 1.25rem;
  padding-left: 0;
  position: relative;
}

.resource-definition::before {
  display: none;
}

.resource-definition dt {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.resource-definition dd {
  margin-left: 0;
  margin-bottom: 0;
}

.resource-list {
  margin: 0 0 1rem;
  padding-left: 0;
  list-style: none;
}

.resource-list li {
  margin-bottom: 0.625rem;
  padding-left: 0;
}

.resource-list--objectives {
  list-style: none;
  padding-left: 0;
}
.resource-list--objectives li {
  position: relative;
}
.resource-list--objectives li::before {
  display: none;
}

.resource-list--ordered {
  list-style: none;
  padding-left: 0;
  counter-reset: resource-step;
}
.resource-list--instructions li {
  position: relative;
  padding-left: 0;
  margin-bottom: 0.75rem;
}
.resource-list--instructions li::before {
  display: none;
}

.resource-list--prompts li::marker {
  color: var(--accent-blue);
}
.resource-list--prompts li {
  padding-left: 0.25rem;
}

.resource-list--answers li::marker {
  color: var(--accent-blue);
}

/* Desktop: add list markers and decorative ::before */
@media (min-width: 769px) {
  .resource-definition {
    padding-left: 2.5rem;
  }

  .resource-definition::before {
    display: block;
    content: "";
    position: absolute;
    left: 0.5rem;
    top: 0.35rem;
    width: 6px;
    height: 6px;
    border-radius: 0;
    background: var(--accent-green);
  }

  .resource-list {
    padding-left: 1.75rem;
  }

  .resource-list li {
    padding-left: 0.25rem;
  }

  .resource-list--objectives {
    padding-left: 1.5rem;
  }
  .resource-list--objectives li::before {
    display: block;
    content: "";
    position: absolute;
    left: -1.25rem;
    top: 0.5rem;
    width: 6px;
    height: 6px;
    border-radius: 0;
    background: var(--accent-green);
  }

  .resource-list--instructions li {
    padding-left: 2.5rem;
  }
  .resource-list--instructions li::before {
    display: flex;
    counter-increment: resource-step;
    content: counter(resource-step);
    position: absolute;
    left: 0;
    top: 0;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 0;
    background: var(--accent-purple);
    color: var(--white);
    font-size: 0.8125rem;
    font-weight: 700;
    align-items: center;
    justify-content: center;
    line-height: 1.75rem;
    text-align: center;
  }
}

.resource-answers-toggle {
  margin-top: 0.25rem;
  margin-bottom: 0.5rem;
  padding: 0;
  border: none;
  background: none;
  color: var(--green-700);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
}

.resource-answers-toggle:focus-visible {
  outline: 2px solid var(--green-600);
  outline-offset: 2px;
}

.resource-discussion-question {
  font-weight: 500;
  margin-bottom: 0.75rem;
  padding-left: 2.5rem;
}

.resource-notes {
  line-height: 1.7;
  padding-left: 2.5rem;
}

/* Resource activity footer (Back + Download) */
.resource-activity-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color, var(--gray-200));
}

.resource-footer-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 0;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
  cursor: pointer;
  border: none;
  background: transparent;
  white-space: nowrap;
}

/* Back button */
.resource-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.resource-back-btn__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.resource-back-btn__icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
}

.resource-footer-btn--secondary {
  background: var(--gray-100);
  color: var(--gray-700);
}
.resource-footer-btn--secondary:hover {
  background: var(--gray-200);
  color: var(--gray-900);
}

.resource-footer-btn--primary {
  background: var(--accent-purple-mid);
  color: var(--white);
}
.resource-footer-btn--primary:hover {
  background: var(--accent-purple-dark);
  color: var(--white);
}

/* Share button */
.resource-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  /* Inherits all styles from .resource-footer-btn */
}

.resource-footer-btn--share {
  background: var(--gray-100);
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}

.resource-footer-btn--share:hover {
  background: var(--gray-200);
  color: var(--gray-900);
}

.resource-share-btn__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.resource-share-btn__icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
}


/* Print button */
.resource-print-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  /* Inherits all styles from .resource-footer-btn */
}

.resource-footer-btn--print {
  background: var(--gray-100);
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}

.resource-footer-btn--print:hover {
  background: var(--gray-200);
  color: var(--gray-900);
}

.resource-print-btn__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.resource-print-btn__icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
}


/* Mobile: Hide text labels for share and print buttons, show icons only */
@media screen and (max-width: 767px) {
  .resource-activity-footer {
    gap: 0.5rem;
  }

  .resource-footer-btn {
    padding: 0.625rem;
    min-width: 44px; /* Touch target size */
  }

  .resource-share-btn__label,
  .resource-print-btn__label {
    display: none;
  }

  .resource-share-btn,
  .resource-print-btn {
    gap: 0;
    justify-content: center;
  }

  .resource-back-btn__label {
    display: none;
  }

  .resource-back-btn {
    gap: 0;
    justify-content: center;
  }
}

/* Desktop: Show text labels for all buttons */
@media screen and (min-width: 768px) {
  .resource-share-btn__label,
  .resource-print-btn__label,
  .resource-back-btn__label {
    display: inline;
  }
}

/* ============================================
   POWERPOINT PRESENTATION PREVIEW
   ============================================ */
.resource-pptx-preview {
  border: 1px solid var(--gray-200);
  overflow: hidden;
}

.resource-pptx-preview__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 1rem;
  background: var(--gray-900);
  color: #fff;
}

.resource-pptx-preview__label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-300);
}

.resource-pptx-preview__download {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--gray-600);
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s;
}

.resource-pptx-preview__download:hover {
  background: var(--gray-700);
  border-color: var(--gray-400);
}

/* Frame wrap — 16:9 aspect ratio container for the iframe */
.resource-pptx-preview__frame-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--gray-100);
}

.resource-pptx-preview__iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

@media screen and (max-width: 767px) {
  .resource-pptx-preview__toolbar {
    padding: 0.5rem 0.75rem;
  }
  .resource-pptx-preview__label {
    font-size: 0.72rem;
  }
  .resource-pptx-preview__download {
    font-size: 0.72rem;
    padding: 0.25rem 0.6rem;
  }
  .resource-pptx-preview__frame-wrap {
    min-height: 320px;
  }
}