/* ==========================================================================
   DEEPTHI COMPUTERS — DEDICATED MOBILE VERSION STYLESHEET
   Clean Light Palette: #FFFFFF, #F7F8FC, #F5F7FC, #E1E6EF, #172033, #2939E8
   ========================================================================== */

/* --------------------------------------------------------------------------
   Desktop Visibility Rules (Hide Mobile Header on Desktop screens)
   -------------------------------------------------------------------------- */
@media (min-width: 769px) {
  .mobile-header,
  .mobile-drawer-overlay,
  .mobile-nav-drawer {
    display: none !important;
  }
}

/* --------------------------------------------------------------------------
   Mobile-Only Architecture (Active on max-width: 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  /* Hide the desktop header completely on mobile */
  .desktop-header {
    display: none !important;
  }

  /* Root Mobile Settings */
  html, body {
    max-width: 100vw;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
  }

  body {
    padding-top: 0;
  }

  /* --------------------------------------------------------------------------
     Mobile Announcement Strip
     -------------------------------------------------------------------------- */
  .mobile-announcement {
    background: #F7F8FC;
    color: #172033;
    font-size: 0.6875rem;
    font-weight: 500;
    padding: 6px 12px;
    border-bottom: 1px solid #E1E6EF;
    text-align: center;
    line-height: 1.3;
  }

  .mobile-announcement a {
    color: #2939E8;
    font-weight: 700;
    text-decoration: none;
    margin-left: 4px;
  }

  /* --------------------------------------------------------------------------
     Dedicated Mobile Header Bar (Static, non-sticky, clean, zero wasted space)
     -------------------------------------------------------------------------- */
  .mobile-header {
    display: block !important;
    background: #FFFFFF;
    border-bottom: 1px solid #E1E6EF;
    position: static !important;
    top: auto !important;
    z-index: 100;
  }

  .mobile-header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    gap: 10px;
  }

  /* Left Side: Hamburger & Brand */
  .mobile-brand-group {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .mobile-hamburger-btn {
    background: #F3F5FA;
    border: 1px solid #E1E6EF;
    border-radius: 8px;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #172033;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
    transition: background 0.2s;
  }

  .mobile-hamburger-btn:active {
    background: #E1E6EF;
  }

  .mobile-brand-link {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
  }

  .mobile-brand-badge {
    background: linear-gradient(135deg, #2939E8, #7C3AED);
    color: #FFFFFF;
    font-size: 0.9375rem;
    font-weight: 800;
    padding: 4px 8px;
    border-radius: 6px;
    letter-spacing: -0.02em;
  }

  .mobile-brand-title {
    font-size: 1.0625rem;
    font-weight: 800;
    color: #172033;
    letter-spacing: -0.02em;
    line-height: 1;
  }

  /* Right Side: Quick Action Icons */
  .mobile-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .mobile-action-btn {
    background: #F3F5FA;
    border: 1px solid #E1E6EF;
    border-radius: 8px;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #172033;
    text-decoration: none;
    position: relative;
    flex-shrink: 0;
  }

  .mobile-action-btn:active {
    background: #E1E6EF;
  }

  .mobile-cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: #2939E8;
    color: #FFFFFF;
    font-size: 0.625rem;
    font-weight: 800;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #FFFFFF;
  }

  /* --------------------------------------------------------------------------
     Mobile Search Row
     -------------------------------------------------------------------------- */
  .mobile-search-row {
    padding: 0 14px 10px;
    position: relative;
  }

  .mobile-search-form {
    display: flex;
    position: relative;
    width: 100%;
  }

  .mobile-search-input {
    width: 100%;
    height: 40px;
    padding: 8px 44px 8px 14px;
    background: #F3F5FA;
    border: 1px solid #E1E6EF;
    border-radius: 9999px;
    font-size: 0.8125rem;
    color: #172033;
    outline: none;
  }

  .mobile-search-input:focus {
    background: #FFFFFF;
    border-color: #2939E8;
  }

  .mobile-search-submit {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #2939E8;
    color: #FFFFFF;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

  /* --------------------------------------------------------------------------
     Mobile Quick Category Chips Bar
     -------------------------------------------------------------------------- */
  .mobile-chips-bar {
    background: #F7F8FC;
    border-top: 1px solid #E1E6EF;
    border-bottom: 1px solid #E1E6EF;
    padding: 8px 14px;
    overflow-x: auto;
    white-space: nowrap;
    display: flex;
    gap: 8px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .mobile-chips-bar::-webkit-scrollbar {
    display: none;
  }

  .mobile-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    background: #FFFFFF;
    border: 1px solid #E1E6EF;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #172033;
    text-decoration: none;
    flex-shrink: 0;
  }

  .mobile-chip:active {
    background: #E1E6EF;
  }

  .mobile-chip.highlight {
    background: #2939E8;
    color: #FFFFFF;
    border-color: #2939E8;
  }

  /* --------------------------------------------------------------------------
     Mobile Off-Canvas Navigation Drawer
     -------------------------------------------------------------------------- */
  .mobile-drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(23, 32, 51, 0.5);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .mobile-drawer-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  .mobile-nav-drawer {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 300px;
    max-width: 85vw;
    background: #FFFFFF;
    z-index: 10001;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    box-shadow: 4px 0 24px rgba(23, 32, 51, 0.15);
  }

  .mobile-nav-drawer.active {
    transform: translateX(0);
  }

  .mobile-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid #E1E6EF;
    background: #F7F8FC;
  }

  .mobile-drawer-close {
    background: #FFFFFF;
    border: 1px solid #E1E6EF;
    border-radius: 8px;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #172033;
    cursor: pointer;
  }

  .mobile-drawer-contact-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid #E1E6EF;
    background: #FFFFFF;
  }

  .mobile-drawer-btn-call {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 10px;
    border-radius: 8px;
    background: #F3F5FA;
    border: 1px solid #E1E6EF;
    color: #172033;
    font-size: 0.75rem;
    font-weight: 700;
    text-decoration: none;
  }

  .mobile-drawer-btn-wa {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 10px;
    border-radius: 8px;
    background: #DCFCE7;
    border: 1px solid #86EFAC;
    color: #15803D;
    font-size: 0.75rem;
    font-weight: 700;
    text-decoration: none;
  }

  .mobile-drawer-links {
    flex: 1;
    overflow-y: auto;
    padding: 12px 0;
    list-style: none;
  }

  .mobile-drawer-links li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    color: #172033;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid #F3F5FA;
  }

  .mobile-drawer-links li a:active {
    background: #F7F8FC;
    color: #2939E8;
  }

  .mobile-drawer-links li a.highlight {
    color: #2939E8;
    background: #F0F2FF;
    font-weight: 700;
  }

  .mobile-drawer-footer {
    padding: 16px;
    border-top: 1px solid #E1E6EF;
    background: #F7F8FC;
    font-size: 0.75rem;
    color: #596579;
    line-height: 1.4;
  }

  .mobile-drawer-footer strong {
    color: #172033;
    display: block;
    margin-bottom: 4px;
  }

  /* --------------------------------------------------------------------------
     Mobile WhatsApp Floating Action Button (FAB)
     -------------------------------------------------------------------------- */
  .whatsapp-float-btn {
    position: fixed !important;
    bottom: 20px !important;
    right: 20px !important;
    width: 56px !important;
    height: 56px !important;
    min-width: 56px !important;
    min-height: 56px !important;
    padding: 0 !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    background-color: #25D366 !important;
    color: #FFFFFF !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2), 0 2px 8px rgba(37, 211, 102, 0.5) !important;
    z-index: 9999 !important;
    text-decoration: none !important;
    cursor: pointer !important;
    -webkit-tap-highlight-color: transparent !important;
    transition: transform 0.2s ease !important;
  }

  .whatsapp-float-btn:active {
    transform: scale(0.92) !important;
  }

  .whatsapp-float-btn .whatsapp-label {
    display: none !important;
  }

  .whatsapp-float-btn .whatsapp-icon {
    width: 28px !important;
    height: 28px !important;
    fill: #FFFFFF !important;
    color: #FFFFFF !important;
  }
}