/* ==========================================================================
   PDOP Table of Contents (TOC) Styles
   ========================================================================== */

:root {
  --pdop-toc-primary: var(--color-accent-sky, #009ad0);
  --pdop-toc-primary-hover: #007ca8;
  --pdop-toc-bg: #f8fafc;
  --pdop-toc-border: var(--color-gray-100, #e2e8f0);
  --pdop-toc-title-color: var(--color-primary, #2b3c73);
  --pdop-toc-text-color: #334155;
  --pdop-toc-active-bg: #e0f2fe;
  --pdop-toc-active-color: var(--color-accent-sky, #0284c7);
  --pdop-toc-focus-ring: var(--color-accent-sky, #0284c7);
  --pdop-toc-radius: 12px;
  --pdop-toc-font: var(--font-family-figtree, sans-serif);
  --pdop-toc-transition: all 0.25s ease-in-out;
}

/* Base Wrapper */
.pdop-toc-wrapper {
  background-color: var(--color-accent-yellow-light);
  border: 1px solid #f1e2ca;
  border-radius: var(--pdop-toc-radius);
  padding: 10px;
  margin: 0 0;
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.03),
    0 2px 4px -1px rgba(0, 0, 0, 0.02);
  font-family: var(--pdop-toc-font);
  position: relative;
  max-width: 100%;
  box-sizing: border-box;
}

.pdop-toc-wrapper *,
.pdop-toc-wrapper *::before,
.pdop-toc-wrapper *::after {
  box-sizing: border-box;
}

/* Header */
.pdop-toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.pdop-toc-title {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--pdop-toc-title-color);
  line-height: 1.3;
}

.pdop-toc-title-icon {
  color: var(--pdop-toc-primary);
  flex-shrink: 0;
}

/* Toggle Button */
.pdop-toc-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  background: #ffffff;
  border: 1px solid var(--pdop-toc-border);
  border-radius: 50%;
  color: var(--pdop-toc-text-color);
  cursor: pointer;
  /* transition: var(--pdop-toc-transition); */
}

.pdop-toc-toggle:hover {
  background-color: var(--pdop-toc-primary);
  border-color: var(--pdop-toc-primary);
  color: #ffffff;
}

.pdop-toc-toggle:focus {
  outline: none;
}

.pdop-toc-toggle:focus-visible {
  outline: 3px solid var(--pdop-toc-focus-ring);
  outline-offset: 2px;
}

.pdop-toc-toggle-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  /* transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1); */
}

.pdop-toc-wrapper.is-collapsed .pdop-toc-toggle-icon {
  transform: rotate(-180deg);
}

/* Content & Lists */
.pdop-toc-content {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--pdop-toc-border);
}

.pdop-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  height: 500px;
  overflow-y: scroll;
}

.pdop-toc-list .pdop-toc-list {
  margin-top: 0.375rem;
  margin-left: 1.25rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--pdop-toc-border);
  counter-reset: toc-sub-counter;
}

.pdop-toc-item {
  margin-bottom: 0.5rem;
  line-height: 1.45;
}

.pdop-toc-item:last-child {
  margin-bottom: 0;
}

/* Link Styling */
.pdop-toc-link {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  color: var(--pdop-toc-text-color);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 0;
  border-radius: 6px;
  /* transition: var(--pdop-toc-transition); */
      padding: 10px;
    width: 100%;
}

.pdop-toc-link:hover {
 background-color: #f1e2ca;
  /* border: 1px solid #f1e2ca; */
  color: #000;
}

.pdop-toc-link:focus {
  outline: none;
}

.pdop-toc-link:focus-visible {
  outline: 2px solid var(--pdop-toc-focus-ring);
  outline-offset: 1px;
  background-color: rgba(0, 154, 208, 0.12);
}

/* Active State (ScrollSpy) */
.pdop-toc-link.is-active {
color: #000;
    background-color: #f1e2ca;
    font-weight: 500;
    padding: 10px;
    width: 100%;
}

.pdop-toc-number {
  font-size: 0.85rem;
  font-weight: 700;
  color: #000;
  opacity: 1;
}

/* Placeholder */
.pdop-toc-placeholder {
  color: #94a3b8;
  font-size: 0.9rem;
  font-style: italic;
  padding: 0 0;
}

/* Target Heading Anchor Smooth Highlight */
[id].pdop-toc-target-highlight {
  animation: pdop-heading-pulse 1.8s ease-out;
}

@keyframes pdop-heading-pulse {
  0% {
    background-color: rgba(0, 154, 208, 0.25);
  }
  100% {
    background-color: transparent;
  }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .pdop-toc-wrapper {
    padding: 1rem 1.125rem;
    margin: 1.25rem 0;
  }

  .pdop-toc-title {
    font-size: 1.05rem;
  }

  .pdop-toc-link {
    font-size: 0.925rem;
  }
}