/*
  ================================================
  ================= RESPONSIVE STYLES ============
  ================================================
*/

/* ===== Large Screens (max-width: 1200px) ===== */
@media (max-width: 1200px) {
  .main-container {
    padding: 0 var(--spacing-lg);
  }
}

/* ===== Medium Screens (max-width: 992px) ===== */
@media (max-width: 992px) {
  .main-banner .main-container {
    flex-direction: column;
    text-align: center;
  }

  .banner-actions {
    justify-content: center;
  }

  .banner-image {
    width: 80%;
  }

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

  .laptop-search-container {
    gap: var(--spacing-sm);
  }

  .laptop-search-container .search-laptop-input {
    width: 75%;
  }

  .popup-container {
    scale: 0.9;
    width: 95%;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}

/* ===== Small Screens (max-width: 768px) ===== */
@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--color-card);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md);
    transform: translateY(-150%);
    opacity: 0;
    transition: all var(--transition-normal);
  }

  .main-nav.active {
    transform: translateY(0);
    opacity: 1;
  }

  .main-nav ul {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }

  .mobile-menu-toggle {
    display: block;
  }

  .filter-controls {
    flex-direction: column;
    gap: var(--spacing-md);
  }

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

  .btn,
  .main-nav a {
    min-height: 48px;
    min-width: 48px;
  }

  .summary-actions {
    flex-direction: column;
  }

  .lockers-grid {
    grid-template-columns: 1fr;
  }

  .bookings-filters {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-btn {
    width: 100%;
  }

  .filter-group {
    width: 100%;
  }

  .box.right {
    width: 100px;
  }

  .time-picker-input {
    width: 100%;
  }

  .filter-tabs {
    justify-content: center;
  }

  .search-box {
    max-width: 100%;
  }

  .booking-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .booking-actions {
    justify-content: center;
  }

  .booking-filters {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: stretch;
  }

  .filter-group {
    width: 100%;
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .box {
    width: 100%;
    flex-direction: row;
    row-gap: var(--spacing-sm);
    justify-content: flex-start;
  }

  .box.right {
    border-left: none;
    padding-left: 0;
    text-align: left;
    width: 100%;
  }

  .text-icon {
    width: 30%;
    text-align: left;
  }

  .time-picker-container {
    width: 100%;
  }

  .date-picker-container {
    width: 100%;
  }

  .date-picker-input {
    width: 100%;
  }

  .time-picker-input {
    width: 100%;
  }

  .date-picker {
    width: 100%;
    top: 100%;
    left: auto;
  }

  .auth-container {
    padding: var(--spacing-lg);
    min-width: auto;
    width: 95%;
  }

  .filter-btn {
    width: 100%;
    justify-content: center;
  }
}

/* ===== Extra Small Screens (max-width: 576px) ===== */
@media (max-width: 576px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

  .banner-actions {
    flex-direction: column;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .product-actions {
    flex-direction: column;
  }

  input,
  select,
  textarea {
    font-size: 16px;
  }

  .auth-container {
    padding: var(--spacing-lg);
    min-width: auto;
    width: 95%;
  }

  .auth-header {
    margin-bottom: var(--spacing-lg);
  }

  .booking-details {
    grid-template-columns: 1fr;
  }

  .booking-actions button {
    flex: 1;
  }

  .booking-filters {
    gap: var(--spacing-sm);
  }

  .filter-group {
    padding: var(--spacing-sm);
  }

  .filter-btn {
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs);
  }
}

@media (max-width: 480px) {
  .qr-popup-content {
    width: 95%;
    padding: var(--spacing-sm);
    font-size: 0.95rem;
  }

  .qr-popup-content h3 {
    font-size: var(--font-size-md);
  }

  .qr-close-btn {
    font-size: var(--font-size-lg);
    padding: 0 var(--spacing-xs);
  }

  #qr-reader #qr-shaded-region {
    border-width: 15% 15% !important;
  }

  #qr-reader {
    aspect-ratio: 16/9;
  }

  #qr-result {
    font-size: 0.9rem;
  }
}

/* ===== Very Small Screens (max-width: 400px) ===== */
@media (max-width: 400px) {
  :root {
    --font-size-base: 14px;
  }

  .main-header .main-container {
    padding: var(--spacing-sm);
  }

  .main-banner {
    padding: var(--spacing-xl) 0;
  }
}