/* ABOUTME: Frontend styles for the tab component — desktop grid layout and mobile stacked view */
/* ABOUTME: Handles TOC sidebar, tab button states, panel visibility, and responsive breakpoint */

/* --- Base Desktop Styles --- */



/* Wrapper */
.ctd-tabs {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 2rem;
  align-items: start;

  --ctd-tabs-accent: teal;
  --ctd-tabs-black: #000;
}

/* Sidebar (TOC) */
.ctd-tabs__toc {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 80vh;
  overflow-y: auto;
  position: sticky;
  top: var(--ctd-tabs-sticky-offset, 2rem);
  box-shadow: 0 0 12px rgba(0,0,0,.1);
}

.ctd-tabs__toc button {
  color: var(--ctd-tabs-black);
  border-radius: 0;
}

/* Tab buttons */
.ctd-tabs__toc [role="tab"] {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.75rem 1rem;
  background: transparent;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  border-left: 4px solid var(--ctd-tabs-black);
}

/* Hover state */
.ctd-tabs__toc [role="tab"]:hover {
  background: #eee;
  border-left: 4px solid var(--ctd-tabs-accent);
}

/* Active tab */
.ctd-tabs__toc [role="tab"][aria-selected="true"] {
  background: #eee;
  border-left: 4px solid var(--ctd-tabs-accent);
}

/* Content Area */
.ctd-tabs__content {
  padding: 1rem;
  padding-top: 0;
  /* border: 1px solid #dee2e6;
  border-radius: 8px;
  background: white; */
}

/* Hidden panels use the HTML hidden attribute; visible panel gets display: block */
.ctd-tabs__content [role="tabpanel"]:not([hidden]) {
  display: block;
}

/* --- Mobile Styles (<900px) --- */
@media (max-width: 900px) {

  .ctd-tabs {
    display: block;
  }

  .ctd-tabs__toc {
    display: block;
    background: none;
    padding: 0;
    box-shadow: none;
    border: none;
    position: static;
    max-height: none;
    margin-bottom: 2rem;
  }

  /* Turn into real bullet list */
  .ctd-tabs__toc ul {
    list-style-type: disc;
    margin-left: 1.5rem;
    padding: 0;
  }

  .ctd-tabs__toc li {
    margin-bottom: 0.5rem;
  }

  .ctd-tabs__toc a {
    text-decoration: underline;
    color: var(--ctd-tabs-accent);
    font-size: 1rem;
  }

  .ctd-tabs__toc a:hover {
    color: var(--ctd-tabs-accent);
  }

  .ctd-tabs__content {
    padding: 0;
    border: none;
    background: none;
  }

  /* JS removes hidden attr on mobile; ensure panels stack */
  .ctd-tabs__content [role="tabpanel"] {
    display: block;
    margin-bottom: 2rem;
  }
}