/* ============================================
   Chess Academy — Page-Specific Styles
   ============================================ */

/* ── Dashboard ── */
.welcome-banner {
  margin-bottom: var(--space-6);
  padding: var(--space-6) var(--space-6) var(--space-6) var(--space-5);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-brand-gold);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.welcome-banner h3 {
  font-size: var(--text-xl);
  font-family: var(--font-display);
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.welcome-banner p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  max-width: 56ch;
  line-height: var(--leading-relaxed);
}

.grid-2col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.card-pill {
  padding: var(--space-4);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent-gold);
  border-radius: var(--radius-md);
}

.card-pill h5,
.card-pill .card-pill-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
  font-family: var(--font-primary);
}

.card-pill p,
.card-pill .card-pill-text {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.card-pill.accent-blue {
  border-left-color: var(--color-accent-blue);
}

@media (max-width: 768px) {
  .grid-2col {
    grid-template-columns: 1fr;
  }
}

/* ── Settings Page ── */
.settings-page {
  max-width: 1100px;
}

.settings-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.settings-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.settings-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  max-width: 52ch;
}

.settings-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-6);
  align-items: start;
}

.settings-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  position: sticky;
  top: calc(var(--header-height) + var(--space-4));
}

.settings-nav-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-tertiary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.settings-nav-item:hover {
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
}

.settings-nav-item.active {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  box-shadow: inset 2px 0 0 var(--color-brand-gold);
  font-weight: var(--font-semibold);
}

.settings-panel {
  display: none;
}

.settings-panel.active {
  display: block;
}

.settings-card .card-subtitle {
  margin-top: var(--space-1);
}

.settings-form-section {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.settings-form-section h5 {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

.settings-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.form-input-mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.settings-hint {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  line-height: var(--leading-relaxed);
}

.settings-callout {
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.settings-callout.warn {
  border-left: 3px solid var(--color-accent-gold);
}

.settings-callout ol {
  margin: var(--space-3) 0 0 var(--space-5);
  list-style: decimal;
}

.settings-callout li {
  margin-bottom: var(--space-2);
}

.settings-action-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.settings-action-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
}

.settings-action-item p {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  max-width: 48ch;
}

.perm-table-wrap {
  overflow-x: auto;
  margin-top: var(--space-2);
}

.perm-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.perm-table th,
.perm-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: middle;
}

.perm-table th {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  font-weight: var(--font-semibold);
}

.perm-desc strong {
  display: block;
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.perm-desc span {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  line-height: 1.4;
}

.perm-cell {
  text-align: center;
  width: 110px;
}

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

.perm-toggle {
  display: inline-flex;
  cursor: pointer;
}

.perm-toggle input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.perm-toggle-ui {
  width: 38px;
  height: 22px;
  background: var(--color-bg-hover);
  border-radius: var(--radius-full);
  position: relative;
  transition: background var(--transition-fast);
}

.perm-toggle-ui::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.perm-toggle input:checked + .perm-toggle-ui {
  background: var(--color-brand-gold);
}

.perm-toggle input:checked + .perm-toggle-ui::after {
  transform: translateX(16px);
}

.agent-role-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.agent-role-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  cursor: pointer;
}

.agent-role-item.locked {
  opacity: 0.7;
  cursor: default;
}

@media (max-width: 900px) {
  .settings-layout {
    grid-template-columns: 1fr;
  }

  .settings-nav {
    flex-direction: row;
    flex-wrap: wrap;
    position: static;
  }

  .settings-action-item {
    flex-direction: column;
  }
}

/* ── Dashboard KPI Row ── */
.kpi-row {
  display: flex;
  align-items: stretch;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.kpi-row .stat-card {
  flex: 1;
}

/* ── Activity Feed ── */
.activity-feed {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.activity-item:hover {
  background: var(--color-bg-elevated);
}

.activity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}

.activity-dot.blue { background: var(--color-accent-blue); }
.activity-dot.gold { background: var(--color-accent-gold); }
.activity-dot.green { background: var(--color-accent-green); }
.activity-dot.red { background: var(--color-accent-red); }

.activity-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.activity-time {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ── Trainer Cards ── */
.trainer-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.trainer-card:hover {
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-md);
}

.trainer-info {
  flex: 1;
  min-width: 0;
}

.trainer-name {
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
}

.trainer-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-1);
}

.trainer-meta span {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.trainer-stats {
  display: flex;
  gap: var(--space-4);
  text-align: center;
}

.trainer-stat-value {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
}

.trainer-stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* ── Student Cards ── */
.student-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: all var(--transition-base);
}

.student-card:hover {
  border-color: var(--color-border-light);
  transform: translateY(-2px);
}

.student-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.student-card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.student-detail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-sm);
}

.student-detail-label {
  color: var(--color-text-tertiary);
}

.student-detail-value {
  color: var(--color-text-primary);
  font-weight: var(--font-medium);
}

/* ── Fee Ledger ── */
.fee-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.fee-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.fee-row:last-child {
  border-bottom: none;
}

.fee-amount {
  font-weight: var(--font-bold);
  font-size: var(--text-md);
}

.fee-amount.paid { color: var(--color-accent-green); }
.fee-amount.pending { color: var(--color-accent-gold); }
.fee-amount.overdue { color: var(--color-accent-red); }

/* ── Schedule View ── */
.schedule-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.schedule-nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.schedule-nav .current-period {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  min-width: 200px;
  text-align: center;
}

.schedule-filters {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.schedule-legend {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

.legend-dot.offline { background: var(--color-accent-blue); }
.legend-dot.online { background: var(--color-accent-green); }
.legend-dot.b2b { background: var(--color-accent-gold); }

/* ── Class Detail Card ── */
.class-detail {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.class-detail-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.partner-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
}

.partner-avatar .icon {
  width: 1rem;
  height: 1rem;
}

.class-detail-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-elevated);
  color: var(--color-text-tertiary);
  flex-shrink: 0;
  border: 1px solid var(--color-border);
}

.class-detail-icon .icon {
  width: 1rem;
  height: 1rem;
}

.class-detail-info {
  flex: 1;
}

.class-detail-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.class-detail-value {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  font-weight: var(--font-medium);
}

/* ── B2B Booking Card ── */
.booking-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: all var(--transition-base);
  border-left: 3px solid var(--color-accent-gold);
}

.booking-card:hover {
  box-shadow: var(--shadow-md);
}

/* ── Marketing Expense Card ── */
.expense-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.expense-card:hover {
  border-color: var(--color-border-light);
}

.expense-category-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.25rem;
}

/* ── Inline Chart (simple bar) ── */
.mini-chart {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 40px;
}

.mini-chart-bar {
  width: 6px;
  border-radius: 3px;
  background: var(--color-accent-blue);
  transition: height var(--transition-slow);
  opacity: 0.6;
}

.mini-chart-bar:hover {
  opacity: 1;
}

/* ── Weekly Schedule (list view) ── */
.schedule-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.schedule-list-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), background var(--transition-fast);
  cursor: pointer;
}

.schedule-list-item:hover {
  background: var(--color-bg-secondary);
  border-color: var(--color-border-light);
}

.schedule-time {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-brand-gold);
  min-width: 72px;
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

.schedule-info {
  flex: 1;
  min-width: 0;
}

.schedule-title {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
}

.schedule-sub {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* ── Filter Bar ── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.filter-bar .form-select,
.filter-bar .form-input {
  width: auto;
  min-width: 160px;
  height: 36px;
  font-size: var(--text-sm);
}

/* ── Page Actions ── */
.page-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ── Responsive overrides ── */
@media (max-width: 768px) {
  .kpi-row {
    flex-direction: column;
  }
  
  .fee-summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .schedule-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  
  .schedule-filters {
    flex-wrap: wrap;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .filter-bar .form-select,
  .filter-bar .form-input {
    width: 100%;
  }
}