/* Dashboard & Admin – layout and components */

.dashboard-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  align-items: start;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem;
}
@media (max-width: 900px) {
  .dashboard-layout { grid-template-columns: 1fr; }
}

.dashboard-main { min-width: 0; }
.dashboard-sidebar {
  position: sticky;
  top: 5rem;
}

.dashboard-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.dashboard-header h1 { font-size: 1.35rem; margin: 0 0 0.25rem; }
.dashboard-countdown {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
}
.dashboard-countdown span { font-weight: 800; }

/* Course weeks accordion */
.course-week {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  overflow: hidden;
  background: var(--card-bg);
}
.course-week--current { border-color: var(--primary-light); box-shadow: 0 2px 12px rgba(224, 122, 95, 0.1); }
.course-week--locked { opacity: 0.7; }
.course-week--locked .course-week-header { cursor: not-allowed; }
.course-week-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: var(--bg-alt);
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  text-align: left;
}
.course-week-header:hover:not(:disabled) { background: var(--border); }
.course-week-header::after {
  content: '';
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--ink-muted);
  border-bottom: 2px solid var(--ink-muted);
  transform: rotate(45deg);
  margin-left: auto;
  transition: transform 0.2s;
}
.course-week-header[aria-expanded="true"]::after { transform: rotate(-135deg); }
.course-week-title { margin-right: 0.5rem; }
.course-week-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink-light);
  background: var(--bg-alt);
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
}
.course-week-body { padding: 0 1.25rem 1rem; }
.course-week-body[style*="display: none"] { padding: 0 1.25rem; }
.week-content-item { margin-bottom: 0.5rem; }
.week-content-link {
  display: inline-block;
  padding: 0.5rem 0;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}
.week-content-link:hover { text-decoration: underline; }

/* Sidebar */
.sidebar-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}
.sidebar-card h2 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.sidebar-todo-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--ink);
}
.sidebar-todo-item--done .sidebar-todo-label { color: var(--ink-light); text-decoration: line-through; }
.sidebar-todo-check { position: absolute; opacity: 0; width: 0; height: 0; }
.sidebar-todo-tick {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, background 0.2s;
}
.sidebar-todo-item .sidebar-todo-check:checked + .sidebar-todo-tick {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.sidebar-todo-item .sidebar-todo-check:checked + .sidebar-todo-tick::after {
  content: '✓';
  font-size: 12px;
  font-weight: 700;
}
.sidebar-todo-label { flex: 1; }
.sidebar-todo-empty { font-size: 0.9rem; color: var(--ink-light); margin: 0; }
.sidebar-links a {
  display: block;
  padding: 0.5rem 0;
  color: var(--primary);
  font-weight: 600;
}
.sidebar-links a:hover { text-decoration: underline; }

/* Admin */
.admin-layout { max-width: var(--max-width); margin: 0 auto; padding: 1.5rem; }
.admin-section { margin-bottom: 2.5rem; }
.admin-section h2 { font-size: 1.25rem; margin: 0 0 1rem; }
.admin-section-hint { font-size: 0.9rem; color: var(--ink-muted); margin: -0.5rem 0 1rem; max-width: 40rem; line-height: 1.5; }
.admin-exam-cell { white-space: nowrap; }
.admin-exam-cell .admin-exam-input {
  font: inherit;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-right: 0.35rem;
  max-width: 11rem;
}
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.admin-table th,
.admin-table td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
.admin-table th { background: var(--bg-alt); font-weight: 700; color: var(--ink); }
.admin-table tr:last-child td { border-bottom: none; }
.admin-week { margin-bottom: 1.5rem; padding: 1rem; background: var(--bg-alt); border-radius: var(--radius); }
.admin-week h3 { font-size: 1.1rem; margin: 0 0 0.75rem; }
.admin-content-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}
.admin-content-item:last-of-type { border-bottom: none; }
.admin-content-title { flex: 1; font-weight: 600; }
.admin-content-meta { font-size: 0.85rem; color: var(--ink-light); }
.admin-placeholder { font-size: 0.9rem; color: var(--ink-light); margin: 0.5rem 0; }
.btn-small { padding: 0.4rem 0.75rem; font-size: 0.85rem; }

/* Profile page */
.profile-page { padding: 2rem 1.5rem 3rem; max-width: 560px; }
.profile-page-title {
  font-family: var(--font-head);
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 1.75rem;
  color: var(--ink);
}
.profile-section {
  margin-bottom: 2.25rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.profile-section:last-of-type { border-bottom: none; }
.profile-section-title {
  font-size: 1.1rem;
  font-weight: 800;
  margin: 0 0 0.75rem;
  color: var(--ink);
}
.profile-hint {
  font-size: 0.92rem;
  color: var(--ink-muted);
  margin: 0 0 1.25rem;
  line-height: 1.55;
}
.profile-enrollments { display: flex; flex-direction: column; gap: 0.75rem; }
.profile-enroll-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
}
.profile-enroll-title { font-weight: 700; color: var(--ink); margin-bottom: 0.35rem; }
.profile-enroll-meta { font-size: 0.92rem; color: var(--ink-muted); }
.profile-enroll-empty { font-size: 0.95rem; color: var(--ink-muted); margin: 0; line-height: 1.5; }
.profile-form .profile-form-row { margin-bottom: 1rem; }
.profile-form label,
.profile-form .profile-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--ink);
}
.profile-form input[type="text"],
.profile-form input[type="tel"] {
  width: 100%;
  max-width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: var(--font-body);
}
.profile-form-row--readonly { margin-bottom: 1rem; }
.profile-readonly-value {
  display: block;
  font-size: 1rem;
  color: var(--ink-muted);
  padding: 0.35rem 0;
}
.profile-message { font-size: 0.92rem; margin: 0.5rem 0 0; min-height: 1.25em; }
.profile-message--error { color: #c53030; font-weight: 600; }
.profile-message--ok { color: var(--accent); font-weight: 700; }
.profile-form .btn { margin-top: 0.5rem; }

/* Course admin (week content editor) */
.course-admin-layout { padding-bottom: 2rem; }
.course-admin-intro { padding: 1.5rem 1.5rem 0; max-width: var(--max-width); margin: 0 auto; }
.course-admin-intro h1 { font-size: 1.5rem; margin: 0 0 0.5rem; }
.course-admin-lead {
  font-size: 0.95rem;
  color: var(--ink-muted);
  line-height: 1.55;
  margin: 0 0 1rem;
  max-width: 42rem;
}
.course-admin-weeks { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem 2rem; }
.course-admin-error { color: #c53030; font-weight: 600; }
.course-admin-item {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.75rem 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.course-admin-item:last-of-type { border-bottom: none; }
.course-admin-fields { flex: 1 1 220px; display: flex; flex-direction: column; gap: 0.65rem; min-width: 0; }
.course-admin-label { font-size: 0.8rem; font-weight: 700; color: var(--ink-muted); display: block; }
.course-admin-input {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font: inherit;
  font-size: 0.95rem;
}
.course-admin-actions { display: flex; flex-wrap: wrap; gap: 0.35rem; }

/* Admin dashboard hub */
.admin-dash-layout { padding: 2rem 0 3rem; }
.admin-dash-title { font-family: var(--font-head); font-size: 1.65rem; margin: 0 0 0.35rem; color: var(--ink); }
.admin-dash-lead { color: var(--ink-muted); margin: 0 0 1.75rem; max-width: 40rem; line-height: 1.55; }
.admin-dash-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}
.admin-dash-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.35rem 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s, transform 0.2s;
}
.admin-dash-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  text-decoration: none;
  color: inherit;
}
.admin-dash-card-title { font-weight: 800; font-size: 1.1rem; color: var(--primary); }
.admin-dash-card-desc { font-size: 0.92rem; color: var(--ink-muted); line-height: 1.45; }
.admin-dash-card--placeholder {
  border-style: dashed;
  box-shadow: none;
  cursor: default;
}
.admin-dash-card--placeholder:hover { transform: none; box-shadow: none; }

/* MEQ question bank (admin + student) */
.qb-admin-item {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
.qb-admin-label { display: block; font-weight: 700; font-size: 0.85rem; color: var(--ink-muted); margin-bottom: 0.35rem; }
.qb-admin-textarea {
  width: 100%;
  font: inherit;
  font-size: 0.95rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  resize: vertical;
}
.qb-admin-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.qb-admin-check { font-size: 0.9rem; font-weight: 600; cursor: pointer; }
.qb-admin-actions { display: flex; gap: 0.35rem; }
.qb-admin-add-wrap { margin-top: 0.5rem; }
.qb-admin-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 320px);
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.qb-student-page { padding: 1.5rem 1.5rem 3rem; max-width: 720px; }
.qb-student-intro { color: var(--ink-muted); line-height: 1.55; margin: 0 0 1.5rem; }
.qb-student-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(180px, 220px) auto auto;
  gap: 0.75rem;
  align-items: end;
  margin-bottom: 1.25rem;
}
@media (max-width: 900px) {
  .qb-student-toolbar { grid-template-columns: 1fr; }
}
.qb-student-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  margin-bottom: 1.5rem;
  background: var(--card-bg);
  box-shadow: var(--shadow);
}
.qb-student-num { font-size: 1rem; margin: 0 0 0.75rem; color: var(--ink); }
.qb-student-meta { display: flex; align-items: center; gap: 0.45rem; margin: 0 0 0.75rem; }
.qb-student-meta .qb-student-num { margin: 0; }
.qb-student-tag-inline {
  font-size: 0.76rem;
  color: var(--ink-light);
  font-weight: 600;
}
.qb-student-stem { margin-bottom: 1rem; line-height: 1.6; color: var(--ink); }
.qb-student-stem,
.qb-student-num,
.qb-student-tag-inline {
  user-select: none;
  -webkit-user-select: none;
}
.qb-student-card--done {
  opacity: 0.6;
  background: #f4f4f4;
}
.qb-student-tags { margin: 0 0 0.9rem; display: flex; gap: 0.4rem; flex-wrap: wrap; }
.qb-tag {
  font-size: 0.78rem;
  padding: 0.2rem 0.45rem;
  border-radius: 999px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--ink-muted);
}
.qb-student-empty { color: var(--ink-muted); }
.qb-model-details { margin-top: 1rem; font-size: 0.95rem; }
.qb-model-details summary { font-weight: 700; cursor: pointer; color: var(--primary); }
.qb-model-body { margin-top: 0.75rem; padding: 1rem; background: var(--bg-alt); border-radius: var(--radius); line-height: 1.55; color: var(--ink); }

.qb-practice-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.qb-practice-timer-wrap { display: flex; flex-direction: column; gap: 0.5rem; align-items: flex-end; }
.qb-practice-timer {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
}
.qb-timer-line { display: flex; align-items: center; gap: 0.4rem; }
.qb-timer-edit-btn { padding: 0.25rem 0.5rem; font-size: 0.75rem; }
.qb-practice-controls { display: flex; gap: 0.35rem; flex-wrap: wrap; justify-content: flex-end; }
.qb-practice-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  transition: background-color 0.2s;
}
.qb-practice-wrap--timesup {
  background: #000;
  padding: 0.5rem;
}
.qb-practice-wrap--timesup .qb-student-card {
  background: #111;
  color: #fff;
  border-color: #1f1f1f;
}
.qb-timesup-popup {
  position: fixed;
  top: 1rem;
  right: 1rem;
  background: #111;
  color: #fff;
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
  z-index: 50;
}