/*
 * This is a manifest file that'll be compiled into application.css.
 *
 * With Propshaft, assets are served efficiently without preprocessing steps. You can still include
 * application-wide styles in this file, but keep in mind that CSS precedence will follow the standard
 * cascading order, meaning styles declared later in the document or manifest will override earlier ones,
 * depending on specificity.
 *
 * Consider organizing styles into separate files for maintainability.
 */

.text-muted {
  color: var(--color-text-muted);
}

.container {
  width: 100%;
  box-sizing: border-box;
  max-width: 72rem;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
}

.flash {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-default);
  margin-bottom: var(--space-4);
}

.flash--notice {
  background: var(--color-success-tint);
  color: var(--color-success);
}

.flash--alert {
  background: var(--color-error-tint);
  color: var(--color-error);
}

/* ---- Sysadmin table plumbing ---- */

.sysadmin-filter-form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.sysadmin-sort-link {
  text-decoration: none;
  color: inherit;
  white-space: nowrap;
}

.sysadmin-sort-link.is-active {
  color: var(--color-primary-hover);
  font-weight: 600;
}

.sysadmin-filter-link {
  color: var(--color-primary);
}

.sysadmin-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: var(--color-secondary-tint);
  color: var(--color-secondary);
  border-radius: var(--radius-full, 999px);
  padding: var(--space-1) var(--space-2);
  margin: 0 var(--space-2) var(--space-2) 0;
  font-size: var(--font-size-sm);
}

.sysadmin-chip__remove {
  color: inherit;
  text-decoration: none;
  font-weight: 700;
}

.sysadmin-stats-card {
  margin-top: var(--space-4);
}

.sysadmin-stats-table__number {
  text-align: right;
  padding-right: var(--space-1);
  white-space: nowrap;
}

.sysadmin-stats-table__unit {
  text-align: left;
  padding-left: var(--space-1);
  color: var(--color-text-muted);
}

.sysadmin-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.sysadmin-pagination__link {
  text-decoration: none;
}

.sysadmin-pagination__status {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* Student course experience (Spec0046) */
.learn-outline,
.learn-outline__lessons {
  list-style: none;
  margin: 0;
  padding: 0;
}

.learn-outline__section {
  margin: var(--space-4) 0;
}

.learn-outline__section-title {
  margin: 0 0 var(--space-1);
  font-size: 1rem;
}

.learn-outline__lessons {
  margin-left: var(--space-3);
}

.learn-outline__lesson a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  text-decoration: none;
}

.learn-outline__lesson.is-current > a {
  font-weight: 600;
  color: var(--color-primary);
}

.learn-outline__duration {
  margin-left: auto;
  font-size: 0.875rem;
}

.learn-icon {
  width: 1.1rem;
  height: 1.1rem;
  flex: none;
}

.learn-lesson {
  display: grid;
  grid-template-columns: 18rem minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.learn-sidebar__disclosure > summary {
  display: none;
  cursor: pointer;
  font-weight: 600;
}

.learn-sidebar__title {
  font-size: 1.1rem;
}

.learn-breadcrumb {
  display: flex;
  gap: var(--space-2);
  font-size: 0.875rem;
}

.learn-pager {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  margin: var(--space-4) 0;
}

.learn-pager__next {
  margin-left: auto;
}

.learn-video {
  position: relative;
  aspect-ratio: 16 / 9;
  margin: var(--space-4) 0;
}

.learn-video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Wide screens always show the sidebar contents, even though the details
   element is closed by default; the disclosure only collapses below 48rem. */
@media (min-width: 48rem) {
  .learn-sidebar__disclosure::details-content {
    content-visibility: visible;
    display: block;
  }
}

@media (max-width: 47.99rem) {
  .learn-lesson {
    grid-template-columns: minmax(0, 1fr);
  }

  .learn-sidebar__disclosure > summary {
    display: block;
  }
}

/* Progress tracking (Spec0036) */
.learn-progress { font-weight: 600; }
.learn-resources {
  margin: var(--space-6) var(--space-8);
  box-shadow: var(--shadow-md);
}
@media (max-width: 48rem) {
  .learn-resources { margin-left: 0; margin-right: 0; }
}
.learn-complete { margin: 1.5rem 0; }
.learn-outline__lesson { display: flex; align-items: center; gap: var(--space-2); border-radius: 0.375rem; }
.learn-outline__lesson > a { flex: 1; min-width: 0; }
.learn-outline__lesson.is-complete { background: color-mix(in srgb, var(--color-progress, #0C6B2E) 8%, transparent); }
.learn-outline__lesson.is-complete .learn-outline__lesson-title { color: var(--color-text-muted); }
.learn-outline__check {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 1.25rem; height: 1.25rem; border-radius: 50%;
  background: var(--color-progress, #0C6B2E); color: var(--color-text-on-primary, #fff); font-size: 0.75rem; font-weight: 700;
}
.learn-outline__undo-form { display: inline; margin: 0 var(--space-2) 0 0; flex: none; }
.learn-outline__undo {
  padding: 0.125rem 0.625rem; font-size: 0.75rem; line-height: 1.4; text-decoration: none; cursor: pointer;
  background: none; border: 1px solid var(--color-border, #ccc); border-radius: 999px; color: var(--color-text-muted);
}
.learn-outline__undo:hover { border-color: var(--color-text-muted); color: inherit; }
.learn-sidebar__progress { margin: 0 0 var(--space-2); font-size: 0.875rem; }

/* Quiz taking and results (Spec0040) */
.learn-quiz__question { border: 1px solid var(--color-border); border-radius: var(--radius-md, 0.5rem); padding: 1rem; margin: 0 0 1rem; }
.learn-quiz__question legend { font-weight: 600; padding: 0 0.25rem; }
.learn-quiz__number { margin-right: 0.35rem; }
.learn-quiz__choice { display: flex; gap: 0.5rem; align-items: baseline; padding: 0.25rem 0; cursor: pointer; }
.learn-quiz__score { font-size: 1.25rem; }
.learn-quiz__review { border-left: 4px solid var(--color-border); padding: 0.25rem 0 0.25rem 0.75rem; margin: 1rem 0; }
.learn-quiz__review.is-correct { border-left-color: var(--color-success, #0c6b2e); }
.learn-quiz__review.is-incorrect { border-left-color: var(--color-warning, #b45309); }
.learn-quiz__choices { list-style: none; padding: 0; margin: 0.25rem 0; }
.learn-quiz__choices li.is-right { font-weight: 600; }
.learn-quiz__choices li.is-chosen:not(.is-right) { text-decoration: line-through; }

/* Preview as student (Spec0070) */
.learn-preview-banner {
  position: sticky; top: 0; z-index: 50; margin: 0; border-radius: 0;
  display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-4); align-items: baseline;
}
.learn-preview-banner p { margin: 0; }
.learn-outline__hidden { flex: none; font-size: 0.6875rem; margin-left: var(--space-2); }
.learn-complete__preview-note,
.learn-quiz__preview-note { margin-left: var(--space-3); font-size: 0.875rem; }
.learn-quiz__preview-note { margin: var(--space-2) 0 0; }
.learn-preview-banner a { color: inherit; font-weight: 600; text-decoration: underline; }

/* ---- Help (CED-18) ----
 * Student help (/learn-help) and creator help (cedarras.com/help) share the
 * article shell: a breadcrumb, then the shared .markdown prose at a readable
 * measure. Index pages list articles as linked cards. */
.help-article { max-width: 44rem; }
.help-breadcrumb { font-size: var(--font-size-sm, 0.875rem); margin-bottom: var(--space-3); }
.help-breadcrumb a { color: var(--color-text-muted); }
.help-list { display: grid; gap: var(--space-4); max-width: 44rem; }
.help-card { display: block; color: inherit; text-decoration: none; }
.help-card:hover h2 { text-decoration: underline; }
.help-card h2 { font-size: var(--font-size-lg); margin: 0 0 var(--space-2); color: var(--color-primary); }
.help-card p { margin: 0; color: var(--color-text-muted); }
.help-article__footer { margin-top: var(--space-6); color: var(--color-text-muted); }
.learn-support { margin-top: var(--space-3); font-size: var(--font-size-sm, 0.875rem); }

/* CED-48: timed lessons */
.learn-outline__locked > a,
.learn-outline__locked .learn-outline__section-title { display: flex; align-items: center; gap: var(--space-2); }
.learn-outline__locked .learn-icon { flex: none; }
.learn-outline__closed,
.learn-outline__schedule { flex: none; font-size: 0.6875rem; margin-left: var(--space-2); }

/* ---- Phone-friendly student pages (CED-69) ----
 * Everything is under 48rem; desktop is unchanged. Summary label/progress and
 * pager label/title spans exist for the phone and are plain inline text on
 * desktop. */
.learn-pager__label { display: none; }
.learn-sidebar__summary-progress { display: none; }

@media (max-width: 48rem) {
  .container,
  .page {
    padding: var(--space-3) var(--space-2);
  }

  .container .card,
  .page .card {
    padding: var(--space-3);
    border-radius: var(--radius-default);
  }

  /* Cards nested in a card lose their own padding and frame. */
  .card .card {
    padding: 0;
    border: 0;
    box-shadow: none;
  }

  .learn-certificate-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }

  .learn-certificate-actions .btn {
    width: 100%;
  }

  .learn-certificate-actions a:not(.btn) {
    padding: var(--space-2) 0;
  }

  .learn-outline__lessons {
    margin-left: var(--space-1);
  }

  .learn-outline__lesson > a {
    min-width: 8rem;
  }

  .learn-outline__lesson-title {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  .learn-sidebar__disclosure > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    min-height: 2.5rem;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border-strong, var(--color-border));
    border-radius: var(--radius-default);
    background: var(--color-surface);
    list-style: none;
  }

  .learn-sidebar__disclosure > summary::-webkit-details-marker {
    display: none;
  }

  .learn-sidebar__disclosure > summary::after {
    content: "";
    flex: none;
    width: 0.5rem;
    height: 0.5rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    margin-left: auto;
  }

  .learn-sidebar__disclosure[open] > summary::after {
    transform: rotate(-135deg);
  }

  .learn-sidebar__summary-progress {
    display: inline;
    font-size: var(--font-size-sm, 0.875rem);
    font-weight: 400;
  }

  .learn-sidebar__summary-progress::before {
    content: "· ";
  }

  .learn-sidebar__body {
    padding-top: var(--space-3);
  }

  .learn-pager--top {
    display: none;
  }

  .learn-pager {
    flex-direction: column-reverse;
    gap: var(--space-2);
  }

  .learn-pager a {
    display: block;
    margin: 0;
    padding: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-default);
    background: var(--color-surface);
    text-decoration: none;
  }

  .learn-pager__label {
    display: block;
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--color-text-muted);
  }

  .learn-pager__title {
    display: block;
    overflow-wrap: anywhere;
  }

  .learn-video,
  .learn-quiz__question {
    max-width: 100%;
  }
}