/* Mobile Responsive Styles */
@media (max-width: 768px) {
  .gpt-dashboard {
    padding: 20px 12px;
  }

  .gpt-dashboard-header {
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 16px;
  }


#site-header {
  display:none !important;
}

#site-footer {
  display:none !important;
}

.page-header  {
  display:none !important;
}


  .gpt-header-logo-section {
    padding-bottom: 16px;
    border-bottom: 1px solid #e5e7eb;
  }

  .gpt-dashboard-logo {
    max-width: 160px;
    max-height: 60px;
  }

  .gpt-header-welcome-section {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }

  .gpt-profile-picture,
  .gpt-profile-picture-placeholder {
    width: 56px;
    height: 56px;
  }

  .gpt-dashboard-header h1 {
    font-size: 24px;
  }

  .gpt-dashboard-subtitle {
    font-size: 14px;
  }

  .gpt-logout-btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .gpt-dashboard-controls {
    padding: 16px;
  }

  .gpt-date-filter {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 12px;
  }

  .gpt-date-input-group {
    width: 100%;
  }

  .gpt-date-input-group label {
    font-weight: 600;
    font-size: 13px;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }

  .gpt-date-filter input[type="date"] {
    width: 100%;
    font-size: 16px;
  }

  .gpt-date-filter .button {
    width: 100%;
    justify-content: center;
  }

  .gpt-metric-group-card {
    margin-bottom: 24px;
  }

  .gpt-metric-group-header {
    padding: 20px 16px;
  }

  .gpt-metric-group-header h2 {
    font-size: 20px;
  }

  .gpt-group-description {
    font-size: 14px;
  }

  .gpt-chart-container {
    padding: 16px 12px;
  }

  .gpt-chart {
    height: 300px !important;
  }

  .gpt-metrics-legend {
    flex-direction: column;
    padding: 16px;
    gap: 12px;
  }

  .gpt-legend-item {
    min-width: 100%;
    padding: 10px 12px;
  }

  .gpt-legend-label {
    font-size: 13px;
  }

  .gpt-legend-value {
    font-size: 16px;
  }

  .gpt-login-container {
    margin: 30px 12px;
    padding: 24px 20px;
  }

  .gpt-login-logo {
    margin-bottom: 24px;
    padding-bottom: 24px;
  }

  .gpt-login-logo img {
    max-width: 200px;
    max-height: 100px;
  }

  .gpt-login-container h2 {
    font-size: 24px;
    margin-bottom: 24px;
  }

  .gpt-login-form input[type="text"],
  .gpt-login-form input[type="password"] {
    font-size: 16px;
  }

  .gpt-empty-state {
    padding: 60px 20px;
  }

  .gpt-empty-state h2 {
    font-size: 20px;
  }

  .gpt-empty-state p {
    font-size: 14px;
  }

  /* Exercise Calendar Mobile */
  .gpt-exercise-calendar {
    gap: 20px;
  }

  .gpt-exercise-date-header {
    padding: 16px 20px;
    font-size: 18px;
  }

  .gpt-exercise-cards-container {
    padding: 16px;
    gap: 12px;
  }

  .gpt-exercise-card {
    padding: 16px;
  }

  .gpt-exercise-header {
    flex-direction: column;
    gap: 12px;
  }

  .gpt-exercise-actions {
    width: 100%;
  }

  .gpt-button-complete,
  .gpt-exercise-status-badge {
    width: 100%;
    justify-content: center;
  }

  .gpt-exercise-name {
    font-size: 17px;
  }

  .gpt-exercise-details {
    flex-direction: column;
    gap: 8px;
  }

  .gpt-exercise-detail {
    display: inline-block;
    width: fit-content;
  }

  /* Booking Mobile */
  .gpt-booking-container {
    grid-template-columns: 1fr;
  }

  .gpt-booking-right {
    max-height: 500px;
  }

  .gpt-booking-header {
    padding: 24px 20px;
  }

  .gpt-booking-header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .gpt-booking-header h2 {
    font-size: 24px;
  }

  .gpt-booking-container {
    padding: 20px;
    gap: 24px;
  }

  .gpt-trainer-selector {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
  }

  .gpt-trainer-avatar {
    width: 60px;
    height: 60px;
  }

  .gpt-available-slots-modern {
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  }

  .gpt-booking-right {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .gpt-dashboard {
    padding: 16px 10px;
  }

  .gpt-dashboard-header h1 {
    font-size: 22px;
  }

  .gpt-dashboard-controls {
    padding: 12px;
  }

  .gpt-metric-group-header {
    padding: 16px 12px;
  }

  .gpt-metric-group-header h2 {
    font-size: 18px;
  }

  .gpt-chart-container {
    padding: 12px 8px;
  }

  .gpt-chart {
    height: 250px !important;
  }

  .gpt-metrics-legend {
    padding: 12px;
  }

  .gpt-legend-item {
    padding: 8px 10px;
  }

  .gpt-login-container {
    margin: 20px 10px;
    padding: 20px 16px;
  }

  .gpt-empty-state {
    padding: 40px 16px;
  }

  .gpt-metric-group-header,
  .gpt-metrics-legend,
  .gpt-login-form {
    min-font-size: 14px;
  }

  .gpt-exercise-date-header {
    padding: 14px 16px;
    font-size: 16px;
  }

  .gpt-exercise-cards-container {
    padding: 12px;
  }

  .gpt-exercise-card {
    padding: 14px;
  }

  .gpt-exercise-name {
    font-size: 16px;
  }

  .gpt-exercise-description {
    font-size: 14px;
  }

  .gpt-exercise-detail {
    font-size: 13px;
    padding: 5px 12px;
  }

  .gpt-trainer-selector {
    grid-template-columns: repeat(2, 1fr);
  }

  .gpt-available-slots-modern {
    grid-template-columns: repeat(3, 1fr);
  }

  .gpt-session-type-color {
    width: 50px;
    height: 50px;
    font-size: 20px;
  }
}

@media (max-width: 768px) and (orientation: landscape) {
  .gpt-chart {
    height: 250px !important;
  }

  .gpt-metrics-legend {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .gpt-legend-item {
    min-width: calc(50% - 6px);
  }
}

@media (hover: none) and (pointer: coarse) {
  .gpt-logout-btn,
  .button,
  .gpt-login-form button[type="submit"] {
    min-height: 44px;
  }

  .gpt-metric-group-card:hover {
    transform: none;
  }

  .gpt-logout-btn:hover {
    transform: none;
  }

  .button:hover {
    transform: none;
  }
}

@media (max-width: 1024px) {
  .gpt-booking-container {
    grid-template-columns: 1fr;
  }

  .gpt-booking-right {
    max-height: 500px;
  }
}