/* Admin Panel Styles */

/* Layout */
body {
  display: flex;
  background: var(--bg-secondary);
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 240px;
  height: 100vh;
  background: var(--bg-card);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform 0.3s ease;
}
.sidebar-header {
  padding: var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  border-bottom: 1px solid var(--border-light);
}
.sidebar-logo {
  font-size: 28px;
}
.sidebar-title {
  font-size: var(--font-md);
  font-weight: 700;
}
.sidebar-nav {
  flex: 1;
  padding: var(--spacing-sm);
  overflow-y: auto;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: var(--font-sm);
  color: var(--text-secondary);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-family);
  transition: all var(--transition);
  text-decoration: none;
}
.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.nav-item.active {
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 500;
}
.nav-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
}
.sidebar-footer {
  padding: var(--spacing-sm);
  border-top: 1px solid var(--border-light);
}

/* Mobile header */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-light);
  z-index: 90;
  padding: 0 var(--spacing-lg);
  align-items: center;
  justify-content: space-between;
}
.mobile-title {
  font-size: var(--font-lg);
  font-weight: 600;
}
.burger {
  width: 36px;
  height: 36px;
  border: none;
  background: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 6px;
}
.burger span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s;
}

/* Main content */
.main-content {
  margin-left: 240px;
  flex: 1;
  min-height: 100vh;
  padding: var(--spacing-2xl);
}

/* Pages */
.page { display: none; }
.page.active { display: block; }

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}
.page-header h2 {
  font-size: var(--font-2xl);
  font-weight: 700;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}
.stat-card {
  background: var(--bg-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}
.stat-value {
  font-size: var(--font-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}
.stat-label {
  font-size: var(--font-sm);
  color: var(--text-secondary);
}

/* Grid layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}
.sections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

/* Section card */
.section-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.section-card-header {
  padding: var(--spacing-lg) var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  border-bottom: 1px solid var(--border-light);
}
.section-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.section-card-body {
  padding: var(--spacing-lg) var(--spacing-xl);
}
.section-info-row {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-xs) 0;
  font-size: var(--font-sm);
  border-bottom: 1px solid var(--border-light);
}
.section-info-row:last-child { border-bottom: none; }
.section-info-label { color: var(--text-secondary); }
.section-prices {
  margin-top: var(--spacing-md);
}
.price-row {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-xs) 0;
  font-size: var(--font-sm);
}
.price-amount { font-weight: 600; }

/* Trainer card */
.trainer-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-xl);
  display: flex;
  gap: var(--spacing-xl);
}
.trainer-avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  flex-shrink: 0;
}
.trainer-info { flex: 1; }
.trainer-name {
  font-size: var(--font-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}
.trainer-spec {
  color: var(--text-secondary);
  font-size: var(--font-sm);
  margin-bottom: var(--spacing-sm);
}

/* Calendar */
.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--spacing-sm);
}
.calendar-day {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  min-height: 120px;
  overflow: hidden;
}
.calendar-day-header {
  padding: var(--spacing-sm);
  text-align: center;
  font-size: var(--font-xs);
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-secondary);
}
.calendar-day-header.today {
  background: var(--accent);
  color: var(--text-on-accent);
}
.calendar-day-body {
  padding: var(--spacing-xs);
}
.calendar-slot {
  padding: 3px 6px;
  margin-bottom: 2px;
  border-radius: 4px;
  font-size: var(--font-xs);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.calendar-slot.booked {
  background: var(--accent-light);
  color: var(--accent);
}
.calendar-slot.free {
  background: var(--success-light);
  color: var(--success);
}

/* Client list */
.clients-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}
.client-row {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  padding: var(--spacing-lg) var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  cursor: pointer;
  transition: box-shadow var(--transition);
}
.client-row:hover {
  box-shadow: var(--shadow-md);
}
.client-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  color: var(--accent);
  font-weight: 600;
}
.client-info { flex: 1; }
.client-name { font-weight: 600; font-size: var(--font-md); }
.client-meta { font-size: var(--font-xs); color: var(--text-secondary); margin-top: 2px; }
.client-badges { display: flex; gap: var(--spacing-xs); flex-wrap: wrap; }

/* Payment stats */
.payment-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

/* Search */
.search-bar {
  margin-bottom: var(--spacing-lg);
}

/* Booking summary */
.booking-summary {
  background: var(--bg-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-lg);
}

/* Booking item in dashboard */
.booking-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border-light);
  font-size: var(--font-sm);
}
.booking-item:last-child { border-bottom: none; }
.booking-time {
  font-weight: 600;
  min-width: 45px;
}
.booking-section-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Trainers list */
.trainers-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* Table status badges */
.status-confirmed { color: var(--success); }
.status-pending { color: var(--warning); }
.status-cancelled { color: var(--danger); }
.status-paid { color: var(--success); }

/* Schedule table cell */
.schedule-cell {
  padding: 4px;
  min-width: 120px;
}
.schedule-cell-item {
  padding: 4px 6px;
  border-radius: 4px;
  font-size: var(--font-xs);
  margin-bottom: 2px;
  white-space: nowrap;
}

/* Responsive */
@media (max-width: 1024px) {
  .grid-2, .settings-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }
  .mobile-header {
    display: flex;
  }
  .main-content {
    margin-left: 0;
    padding: var(--spacing-lg);
    padding-top: 72px;
  }
  .calendar-grid {
    grid-template-columns: 1fr;
  }
  .calendar-day {
    min-height: auto;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .trainer-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .sections-grid {
    grid-template-columns: 1fr;
  }
  .theme-toggle {
    top: var(--spacing-sm);
    right: 60px;
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}