/**
 * Clarity Doctrine Engine — chat panel styling.
 *
 * Uses CSS variables already defined by cd_theme_toggle:
 *   --cd-ink         dark text in Paper (light) mode
 *   --cd-paper       light background in Paper mode
 *   --cd-rust        brand rust accent
 *   --cd-line        subtle border color
 *   --cd-lightbg     card / panel background in Paper mode
 *   --cd-muted       muted secondary text
 *
 * Dark mode overrides (body.cd-theme--doctrine) should already be handled
 * by cd_theme_toggle — this file inherits without redefinition.
 */

/* =============================================================================
   Two-column layout around the teaching reader
   ============================================================================= */

/* When the Engine panel is present AND positioned as right_sidebar,
   cd_truth's teaching reader wraps its content in .cd-truth-reader-shell. */
.cd-truth-reader-shell {
  display: block;
  max-width: 1200px;
  margin: 0 auto;
}

@media (min-width: 1024px) {
  .cd-truth-reader-shell--with-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: 2.5rem;
    align-items: start;
  }

  /* Reader takes the main column */
  .cd-truth-reader-shell--with-panel > .cd-truth-reader-main {
    min-width: 0;
  }

  /* Panel takes sidebar column, sticks below site header */
  .cd-engine-panel--right_sidebar {
    position: sticky;
    top: 6rem;
    max-height: calc(100vh - 7rem);
    overflow-y: auto;
  }
}

/* Below-teaching layout (mobile default or admin-chosen) */
.cd-engine-panel--below_teaching {
  margin-top: 3rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* Toggleable — starts collapsed, expands on click. JS manages a class. */
.cd-engine-panel--toggleable {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  width: 380px;
  max-height: 70vh;
  z-index: 50;
  transform: translateY(calc(100% - 3.5rem));
  transition: transform 280ms ease;
}
.cd-engine-panel--toggleable.is-expanded {
  transform: translateY(0);
}

/* =============================================================================
   The panel itself
   ============================================================================= */

.cd-engine-panel {
  background: var(--cd-lightbg, #ede7de);
  border: 1px solid var(--cd-line, #d0c7b5);
  border-radius: 8px;
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--cd-ink, #1a1512);
  box-shadow: 0 2px 8px rgba(26, 21, 18, 0.04);
}

.cd-engine-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--cd-line, #d0c7b5);
}

.cd-engine-panel__eyebrow {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cd-rust, #b8421a);
}

.cd-engine-panel__collapse-toggle {
  background: transparent;
  border: 0;
  color: var(--cd-muted, #6b5d4f);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  font-size: 1.125rem;
  line-height: 1;
  border-radius: 4px;
  transition: background 140ms ease, color 140ms ease;
}
.cd-engine-panel__collapse-toggle:hover {
  background: var(--cd-paper, #f2ece0);
  color: var(--cd-ink, #1a1512);
}

/* When collapsed (JS toggles aria-expanded="false"), hide body */
.cd-engine-panel [aria-expanded="false"] + .cd-engine-panel__body,
.cd-engine-panel.is-collapsed .cd-engine-panel__body {
  display: none;
}

/* =============================================================================
   Panel body + states
   ============================================================================= */

.cd-engine-panel__body {
  padding: 1.5rem 1.25rem 1rem;
}

.cd-engine-panel__heading {
  font-family: Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 0.75rem 0;
  color: var(--cd-ink, #1a1512);
}

.cd-engine-panel__lede {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--cd-ink, #1a1512);
  margin: 0 0 1.25rem 0;
}

.cd-engine-panel__cta-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 1rem 0 0;
}

.cd-engine-panel__cta {
  display: inline-block;
  text-align: center;
  padding: 0.625rem 1.125rem;
  border-radius: 4px;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}

.cd-engine-panel__cta--primary {
  background: var(--cd-rust, #b8421a);
  color: #fff;
  border: 1px solid var(--cd-rust, #b8421a);
}
.cd-engine-panel__cta--primary:hover {
  background: var(--cd-rust-dark, #8b3012);
  border-color: var(--cd-rust-dark, #8b3012);
  color: #fff;
}

.cd-engine-panel__cta--secondary {
  background: transparent;
  color: var(--cd-ink, #1a1512);
  border: 1px solid var(--cd-line, #d0c7b5);
}
.cd-engine-panel__cta--secondary:hover {
  border-color: var(--cd-ink, #1a1512);
}

.cd-engine-panel__deep-links-info {
  margin: 1.25rem 0;
  padding: 0.875rem 1rem;
  background: var(--cd-paper, #f2ece0);
  border-left: 3px solid var(--cd-rust, #b8421a);
  border-radius: 0 4px 4px 0;
}
.cd-engine-panel__deep-links-lede {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.5;
  font-style: italic;
  color: var(--cd-muted, #6b5d4f);
}

.cd-engine-panel__waitlist-note {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--cd-line, #d0c7b5);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--cd-muted, #6b5d4f);
  font-style: italic;
}

.cd-engine-panel__footer {
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--cd-line, #d0c7b5);
  background: rgba(0, 0, 0, 0.02);
  border-bottom-left-radius: 8px;
  border-bottom-right-radius: 8px;
}
.cd-engine-panel__footer-line {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.6875rem;
  color: var(--cd-muted, #6b5d4f);
  letter-spacing: 0.05em;
}

/* =============================================================================
   Section deep-link icons — the "ask AI about this section" buttons
   ============================================================================= */

.cd-truth-section-heading {
  position: relative;
}

.cd-engine-section-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  margin-left: 0.5rem;
  vertical-align: middle;
  border: 1px solid var(--cd-line, #d0c7b5);
  border-radius: 50%;
  background: transparent;
  color: var(--cd-muted, #6b5d4f);
  cursor: pointer;
  font-size: 0.75rem;
  line-height: 1;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 160ms ease, transform 160ms ease, border-color 140ms ease, color 140ms ease;
}

/* Appear on heading hover */
.cd-truth-section-heading:hover .cd-engine-section-link,
.cd-engine-section-link:focus {
  opacity: 1;
  transform: translateX(0);
}

.cd-engine-section-link:hover {
  border-color: var(--cd-rust, #b8421a);
  color: var(--cd-rust, #b8421a);
}

.cd-engine-section-link:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

/* Tooltip for disabled state */
.cd-engine-section-link[data-coming-soon="1"]::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 100%;
  margin-left: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: var(--cd-ink, #1a1512);
  color: #fff;
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  font-size: 0.6875rem;
  font-family: Helvetica, Arial, sans-serif;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 140ms ease;
}
.cd-engine-section-link[data-coming-soon="1"]:hover::after,
.cd-engine-section-link[data-coming-soon="1"]:focus::after {
  opacity: 1;
}

/* =============================================================================
   Dark (Doctrine) mode overrides
   ============================================================================= */

body.cd-theme--doctrine .cd-engine-panel {
  background: #221c18;
  border-color: #3a2f26;
  color: #ede7de;
}
body.cd-theme--doctrine .cd-engine-panel__header,
body.cd-theme--doctrine .cd-engine-panel__footer,
body.cd-theme--doctrine .cd-engine-panel__waitlist-note,
body.cd-theme--doctrine .cd-engine-panel__deep-links-info {
  border-color: #3a2f26;
}
body.cd-theme--doctrine .cd-engine-panel__heading,
body.cd-theme--doctrine .cd-engine-panel__lede {
  color: #ede7de;
}
body.cd-theme--doctrine .cd-engine-panel__deep-links-info {
  background: #1a1512;
}
body.cd-theme--doctrine .cd-engine-panel__cta--secondary {
  color: #ede7de;
  border-color: #3a2f26;
}
body.cd-theme--doctrine .cd-engine-panel__cta--secondary:hover {
  border-color: #ede7de;
}
body.cd-theme--doctrine .cd-engine-section-link {
  border-color: #3a2f26;
  color: #8a7a6a;
}
body.cd-theme--doctrine .cd-engine-section-link:hover {
  border-color: var(--cd-rust, #b8421a);
  color: #ede7de;
}