/* ==========================================================================
   Rally ATL — Group Lesson Admin Stylesheet
   ========================================================================== */

/* ── 1. LAYOUT ──────────────────────────────────────────────────────────── */
.admin-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  width: 100%;
}

.dashboard-main {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
  width: 100%;
}

.sidebar-panel {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--glass-glow);
  height: fit-content;
}

.sidebar-panel ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

.sidebar-panel li {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-muted);
  background: #f8fafc;
  line-height: 1.45;
}

/* ── 2. LESSON CARDS & LISTS ───────────────────────────────────────────── */
#activeLessonsListContainer {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

#pastLessonsListContainer {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Base / Compact Lesson Item (Past Lessons) */
.lesson-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  width: 100%;
  overflow: hidden;
}

.lesson-header-row {
  padding: 12px 14px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: #f8fafc;
}

.lesson-meta {
  flex: 1;
  min-width: 240px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.lesson-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-white);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.lesson-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-print {
  display: none;
}

.lesson-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 8px;
  border-radius: 99px;
}

.lesson-status-badge.published {
  background: rgba(16, 185, 129, 0.10);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.lesson-status-badge.draft {
  background: #f1f5f9;
  color: var(--text-muted);
  border: 1px solid var(--card-border);
}

/* ── UPCOMING LESSON OVERRIDES (Spacious & Darker Border) ──────────────── */
.lesson-item--upcoming {
  border: 1px solid #94a3b8;
  border-radius: var(--radius);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.lesson-item--upcoming:hover {
  border-color: #64748b;
  box-shadow: 0 4px 14px -2px rgba(0, 0, 0, 0.08);
}

.lesson-item--upcoming .lesson-header-row {
  padding: 18px 22px;
  background: #ffffff;
  align-items: flex-start;
  gap: 16px;
}

.lesson-item--upcoming .lesson-meta {
  gap: 8px;
}

.lesson-item--upcoming .lesson-title {
  font-size: 16px;
  line-height: 1.35;
}

.lesson-datetime {
  font-size: 14px;
  color: #1e293b;
}

.lesson-sub-info {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
}

.lesson-item--upcoming .roster-drawer {
  border-top: 1px solid #cbd5e1;
}

.lesson-item--upcoming .roster-drawer__summary {
  padding: 13px 22px;
}

/* ── 3. ROSTER DRAWER (<details>) ──────────────────────────────────────── */
.roster-drawer {
  background: var(--card-bg);
  width: 100%;
}

.roster-drawer__summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #f8fafc;
  cursor: pointer;
  user-select: none;
  list-style: none;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
  transition: background-color 0.15s ease;
}

.roster-drawer__summary::-webkit-details-marker {
  display: none;
}

.roster-drawer__summary:hover {
  background: #f1f5f9;
}

.roster-drawer[open] .roster-drawer__summary {
  background: #f1f5f9;
  border-bottom: 1px solid var(--card-border);
}

.roster-drawer__summary .btn {
  margin-left: auto;
}

.roster-capacity-badge {
  font-size: 11.5px;
  font-weight: 600;
  background: rgba(59, 130, 246, 0.08);
  color: var(--primary);
  border: 1px solid rgba(59, 130, 246, 0.2);
  padding: 1px 7px;
  border-radius: 99px;
}

.roster-chevron {
  font-size: 11px;
  color: var(--text-muted);
  transition: transform 0.2s ease;
  display: inline-block;
}

.roster-drawer[open] .roster-chevron,
#pastLessonsSection[open] .roster-chevron {
  transform: rotate(180deg);
}

/* Past Lessons Foldable Container */
#pastLessonsSection {
  margin-top: 40px;
}

#pastLessonsSection summary {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-white);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

#pastLessonsSection summary::-webkit-details-marker {
  display: none;
}

#pastCountBadge {
  font-size: 11px;
  font-weight: 600;
  background: #e2e8f0;
  color: var(--text-muted);
  padding: 2px 8px;
  border-radius: 99px;
}

.no-students {
  text-align: center;
  padding: 24px;
  color: var(--text-muted);
  font-style: italic;
  font-size: 13px;
}

/* ── 4. ROSTER SWITCHES ────────────────────────────────────────────────── */
.roster-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 22px;
  flex-shrink: 0;
}

.roster-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.roster-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: #cbd5e1;
  transition: .25s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 22px;
}

.roster-slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .25s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.roster-switch input:checked + .roster-slider {
  background-color: var(--success);
}

.roster-switch input:checked + .roster-slider:before {
  transform: translateX(20px);
}

.roster-switch input:disabled + .roster-slider {
  opacity: 0.5;
  cursor: not-allowed;
}

.switch-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  width: 28px;
}

.switch-label.label-yes,
.switch-label.label-active {
  color: var(--success);
}

.switch-label.label-no {
  color: var(--text-muted);
}

.switch-label.label-cancelled {
  color: var(--error);
}

.switch-label.label-waitlist {
  color: #d97706;
}

.switch-label.label-active,
.switch-label.label-cancelled,
.switch-label.label-waitlist {
  width: 80px;
}

.roster-status-select {
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 700;
  border-radius: 6px;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  outline: none;
  font-family: inherit;
  transition: all 0.15s ease;
}

.roster-status-select.status-active {
  background: #dcfce7;
  color: #166534;
  border-color: #86efac;
}

.roster-status-select.status-waitlist {
  background: #fef3c7;
  color: #92400e;
  border-color: #fde68a;
}

.roster-status-select.status-cancelled {
  background: #fee2e2;
  color: #991b1b;
  border-color: #fca5a5;
}

/* ── 5. FORM TOGGLES (Types & Levels) ──────────────────────────────────── */
.lesson-type-toggles,
.level-toggles {
  display: grid;
  gap: 10px;
  width: 100%;
}

.lesson-type-toggles {
  grid-template-columns: 1fr 1fr;
}

.level-toggles {
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.lesson-type-item,
.level-toggle-item {
  position: relative;
  cursor: pointer;
  display: block;
}

.lesson-type-item input,
.level-toggle-item input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.lesson-type-btn,
.level-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px;
  background: #f8fafc;
  border: 1.5px solid var(--input-border);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  transition: all 0.2s ease;
  text-align: center;
  user-select: none;
}

.lesson-type-item:hover .lesson-type-btn,
.level-toggle-item:hover .level-toggle-btn,
.lesson-type-item input:checked + .lesson-type-btn,
.level-toggle-item input:checked + .level-toggle-btn {
  background: #f0fdf4;
  border-color: #4b8e64;
  color: #166534;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.10);
}

.level-toggle-item.red input:checked + .level-toggle-btn { color: #991b1b; }
.level-toggle-item.orange input:checked + .level-toggle-btn { color: #c2410c; }
.level-toggle-item.green input:checked + .level-toggle-btn { color: #166534; }
.level-toggle-item.yellow input:checked + .level-toggle-btn { color: #854d0e; }

/* Status Toggle (Draft / Published) */
.status-toggle-wrap {
  display: inline-flex;
  background: #f1f5f9;
  border: 1px solid var(--input-border);
  border-radius: 8px;
  padding: 3px;
}

.status-toggle-btn {
  padding: 7px 18px;
  border-radius: 6px;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.status-toggle-btn.active {
  background: #ffffff;
  color: var(--text-white);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.10);
}

.status-toggle-btn#statusPublishedBtn.active { color: var(--success); }
.status-toggle-btn#statusDraftBtn.active { color: var(--text-muted); }

/* ── 6. COACH PICKER & CHIPS ───────────────────────────────────────────── */
.coach-picker {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.coach-picker-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.coach-search-wrap {
  position: relative;
  flex: 1;
}

.coach-dropdown,
.student-search-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: 200;
  list-style: none;
  background: #ffffff;
  border: 1px solid var(--input-border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
  padding: 4px 0;
  margin: 0;
  max-height: 200px;
  overflow-y: auto;
}

.coach-dropdown:empty,
.student-search-dropdown:empty {
  display: none;
}

.coach-dropdown li,
.student-search-item {
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  transition: background 0.12s;
}

.coach-dropdown li:hover,
.student-search-item:hover {
  background: #f1f5f9;
  color: var(--text-white);
}

.coach-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  min-height: 36px;
  padding: 4px;
  background: #f8fafc;
  border: 1px solid var(--input-border);
  border-radius: 4px;
}

.coach-chips-empty {
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
  align-self: center;
}

.coach-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.22);
  color: var(--primary-hover);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px 4px 8px;
  border-radius: 99px;
}

.coach-chip-remove {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 11px;
  color: var(--primary);
  padding: 0;
  line-height: 1;
  opacity: 0.6;
  transition: opacity 0.15s;
}

.coach-chip-remove:hover {
  opacity: 1;
  color: var(--error);
}

/* Student Autocomplete Specifics */
.student-search-dropdown {
  z-index: 1050;
  max-height: 220px;
}

.student-search-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #f1f5f9;
}

.student-search-item:last-child {
  border-bottom: none;
}

.student-search-item .student-search-meta {
  font-size: 11px;
  color: #64748b;
}

.student-search-item .student-id-badge {
  font-family: monospace;
  background: #eff6ff;
  color: #1e40af;
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
}

/* ── 7. RESPONSIVE MEDIA QUERIES ───────────────────────────────────────── */
@media (min-width: 640px) {
  .lesson-header-row {
    padding: 14px 18px;
  }
}

@media (min-width: 1024px) {
  .admin-grid {
    grid-template-columns: 300px minmax(0, 1fr);
  }

  .btn-print {
    display: inline-block;
  }
}