/* Mobile Android Pro UI Enhancements */
/* Global mobile touch adjustments */
html, body {
  -webkit-tap-highlight-color: transparent;
}

.main-content {
  overscroll-behavior-y: contain;
  -webkit-overflow-scrolling: touch;
}

/* Safe area support for bottom nav */
.bottom-nav {
  padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 8px);
}

/* Compact App Bar on scroll */
.header-compact {
  height: 56px;
}
.header-compact .logo-text h1 {
  font-size: var(--font-size-lg);
}
.header-compact .logo-subtitle {
  display: none;
}
.header-compact .logo-icon {
  width: 32px;
  height: 32px;
}

/* Bottom nav: larger touch targets and active indicator */
@media (max-width: 768px) {
  :root {
    --bottom-nav-height: 84px;
  }
  .bottom-nav .nav-item {
    padding: var(--spacing-sm) var(--spacing-md);
    min-width: 64px;
  }
  .bottom-nav .nav-item .material-icons {
    font-size: 1.75rem;
  }
}

@media (max-width: 360px) {
  .bottom-nav .nav-item span:not(.material-icons) {
    display: none;
  }
}

/* Ripple effect */
.ripple-target {
  position: relative;
  overflow: hidden;
}
.ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: ripple-anim 500ms ease-out;
  background: rgba(25, 118, 210, 0.25);
  pointer-events: none;
}
@keyframes ripple-anim {
  to { transform: scale(4); opacity: 0; }
}

/* Mobile filter sheet using existing marketplace-filters */
@media (max-width: 768px) {
  .marketplace-filters {
    display: none;
  }
  #marketplace.filters-sheet-open .marketplace-filters {
    display: block;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    max-height: 70vh;
    overflow-y: auto;
    background: var(--surface);
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
    box-shadow: 0 -8px 24px rgba(0,0,0,0.2);
    padding: var(--spacing-lg) var(--spacing-md);
    animation: sheet-in 200ms ease;
    z-index: 1003;
  }
}

@keyframes sheet-in {
  from { transform: translateY(16px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Sheet backdrop */
.sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 1002;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}
.sheet-backdrop.visible {
  opacity: 1;
  visibility: visible;
}

/* Floating Filter Button (FAB) */
.floating-filter-btn {
  position: fixed;
  bottom: calc(var(--bottom-nav-height) + 160px);
  left: 16px;
  width: 64px; height: 64px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 2px solid rgba(156, 39, 176, 0.3);
  border-radius: 50%;
  box-shadow: 0 8px 32px rgba(156,39,176,0.2), inset 0 1px 0 rgba(255,255,255,0.2), inset 0 -1px 0 rgba(0,0,0,0.1);
  cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  z-index: 1001;
  transition: all var(--transition-normal);
}
.floating-filter-btn:hover { transform: translateY(-3px) scale(1.05); }
.floating-filter-btn:active { transform: translateY(-1px) scale(1.02); }
.floating-filter-btn .floating-btn-icon {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 2px;
  background: rgba(156,39,176,0.1);
  border-radius: 50%;
  border: 1px solid rgba(156,39,176,0.2);
}
.floating-filter-btn .floating-btn-text {
  display: flex; align-items: center; justify-content: center;
  margin-top: 2px;
  background: rgba(156,39,176,0.1);
  border-radius: 50%; width: 20px; height: 20px;
  border: 1px solid rgba(156,39,176,0.2);
}
.floating-filter-btn .material-icons { font-size: 16px; color: var(--on-surface); }

/* Header and content fine-tuning for mobile */
@media (max-width: 768px) {
  .main-content { margin-bottom: calc(var(--bottom-nav-height) + 8px); }
  .hero-actions .btn { min-height: 44px; }
  .link-card { min-height: 72px; }
  .tool-card, .app-card, .course-card, .marketplace-card { margin-bottom: var(--spacing-md); }
}

/* Home quick-links mobile layout */
@media (max-width: 768px) {
  .quick-links { grid-template-columns: 1fr; gap: var(--spacing-sm); }
  .link-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-sm) var(--spacing-sm);
    text-align: left;
    border-radius: var(--radius-sm);
    min-height: 52px;
    box-shadow: none;
    border: 1px solid var(--outline-variant);
    position: relative;
  }
  .link-card .material-icons { font-size: 1.3rem; margin: 0; color: var(--primary); }
  .link-card h3 { font-size: var(--font-size-base); margin-bottom: 0; }
  .link-card p { display: none; }
  .link-card::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    border-top-left-radius: var(--radius-sm);
    border-bottom-left-radius: var(--radius-sm);
  }
  .link-card::after {
    content: 'chevron_left';
    font-family: 'Material Icons';
    position: absolute;
    right: 12px;
    top: 50%; transform: translateY(-50%);
    color: var(--outline);
    font-size: 20px;
    pointer-events: none;
  }
}

/* Override medium-small phones to keep single column strips */
@media (min-width: 420px) and (max-width: 768px) {
  .quick-links { grid-template-columns: 1fr; }
}

/* Ensure empty hero actions container stays hidden */
.hero-actions:empty { display: none; }

/* Two-column quick-links on medium-small phones */
@media (min-width: 420px) and (max-width: 768px) {
  .quick-links { grid-template-columns: repeat(2, 1fr); }
}

/* Hide empty hero actions container */
.hero-actions:empty { display: none; }

/* Hero banner mobile tweaks */
@media (max-width: 768px) {
  /* Banner background override for mobile using ba.png */
  @media (max-width: 768px) {
    .hero-banner {
      display: flex;
      align-items: center;
      gap: var(--spacing-md);
      min-height: 200px;
      padding: var(--spacing-md);
      border-radius: var(--radius-lg);
      box-shadow: none;
      background-image: linear-gradient(to bottom, rgba(12,38,78,0.88) 0%, rgba(12,38,78,0.68) 45%, rgba(12,38,78,0.38) 100%), url('ba.png');
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      text-align: left;
      position: relative;
    }
    .hero-banner::before { display: none; }
    .hero-logo { width: 64px; height: 64px; margin: 0; animation: none; }
    .hero-logo-img { filter: drop-shadow(0 4px 8px rgba(0,0,0,0.4)); }
    .hero-content { 
      color: #fff; 
      max-width: 100%; 
      background: rgba(255,255,255,0.10);
      border: 1px solid rgba(255,255,255,0.14);
      border-radius: var(--radius-md);
      padding: var(--spacing-sm) var(--spacing-md);
      backdrop-filter: blur(6px);
      -webkit-backdrop-filter: blur(6px);
    }
    .hero-content h2 { font-size: var(--font-size-lg); line-height: 1.35; margin-bottom: var(--spacing-xs); color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,0.45); }
    .hero-content p { font-size: var(--font-size-sm); margin: 0; opacity: 0.95; color: #e3f2fd; }
  }
  
  /* Extra compact for very small devices */
  @media (max-width: 360px) {
    .hero-banner { gap: var(--spacing-sm); padding: var(--spacing-sm); min-height: 180px; }
    .hero-logo { width: 52px; height: 52px; }
    .hero-content h2 { font-size: var(--font-size-base); }
  }
  .hero-actions { gap: var(--spacing-sm); justify-content: flex-start; }
  .hero-actions .btn { width: 100%; }
}

/* Banner mobile overrides: larger logo and title */
@media (max-width: 768px) {
  .hero-logo { width: 96px; height: 96px; }
  .hero-content h2 { font-size: var(--font-size-xl); line-height: 1.35; }
}

@media (max-width: 360px) {
  .hero-logo { width: 72px; height: 72px; }
  .hero-content h2 { font-size: var(--font-size-lg); }
}

/* Promotions mobile tweaks */
@media (max-width: 768px) {
  .promotion-card { border-radius: var(--radius-md); }
  .promotion-title h4 { font-size: var(--font-size-lg); }
  .promotion-description { font-size: var(--font-size-sm); }
  .provider-name { font-size: var(--font-size-sm); }
}

/* Contact section mobile tweaks */
@media (max-width: 768px) {
  .contact-section { padding: var(--spacing-md); border-radius: var(--radius-lg); }
  .contact-link { min-height: 64px; gap: var(--spacing-sm); }
  .contact-info h4 { font-size: var(--font-size-base); }
  .contact-info p { font-size: var(--font-size-xs); }
}

/* Quick links strips: interaction and focus */
@media (max-width: 768px) {
  .link-card { transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast); }
  .link-card:active { transform: translateY(1px); background: rgba(25,118,210,0.06); box-shadow: 0 0 0 2px rgba(25,118,210,0.15) inset; }
  .link-card:focus-visible { outline: 0; box-shadow: 0 0 0 2px var(--primary) inset; }
  .link-card:hover { background: rgba(25,118,210,0.04); }
}

/* Quick links strips: per-item accent bar colors */
@media (max-width: 768px) {
  .quick-links .link-card:nth-child(1)::before { background: linear-gradient(180deg, #1976d2, #42a5f5); }
  .quick-links .link-card:nth-child(2)::before { background: linear-gradient(180deg, #9c27b0, #ce93d8); }
  .quick-links .link-card:nth-child(3)::before { background: linear-gradient(180deg, #ff9800, #ffb74d); }
  .quick-links .link-card:nth-child(4)::before { background: linear-gradient(180deg, #009688, #4db6ac); }
  .quick-links .link-card:nth-child(5)::before { background: linear-gradient(180deg, #3f51b5, #7986cb); }
}
/* Remove arrow from quick-link strips on mobile */
@media (max-width: 768px) {
  .link-card::after { content: none !important; }
}

/* Banner typography refinements for mobile (no glass) */
@media (max-width: 768px) {
  /* Remove accent line between title/subtitle on mobile */
  @media (max-width: 768px) {
    .hero-title::after { content: none !important; display: none !important; }
  }
  
  /* Increase logo size and tighten text layout beside it */
  @media (max-width: 768px) {
    .hero-banner { gap: var(--spacing-sm); }
    .hero-logo { width: 112px; height: 112px; }
    .hero-content { flex: 1; min-width: 0; text-align: right; align-items: flex-end; gap: 4px; }
    .hero-title { font-size: var(--font-size-2xl); line-height: 1.2; margin: 0; }
    .hero-subtitle { font-size: var(--font-size-sm); line-height: 1.4; margin: 0; }
  }
  
  /* Very small phones */
  @media (max-width: 360px) {
    .hero-logo { width: 88px; height: 88px; }
    .hero-title { font-size: var(--font-size-xl); }
  }
  
  /* Robust Arabic font stack */
  body, .main-content {
    font-family: 'Tajawal', system-ui, -apple-system, 'Segoe UI', 'Roboto', 'Noto Sans Arabic', 'Almarai', 'Cairo', sans-serif;
  }

  /* Hero text refinement */
  .hero-title {
    font-weight: 900;
    letter-spacing: 0.3px;
  }
  .hero-subtitle {
    color: #e8f4ff;
    letter-spacing: 0.25px;
    text-wrap: balance;
  }

  /* Quick links container styled like card */
  @media (max-width: 768px) {
    /* Quick links cards without images: CSS badge icon */
    @media (max-width: 768px) {
      .quick-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--spacing-md); }
      .link-card { display: flex; flex-direction: column; align-items: center; justify-content: center; background: var(--surface); border: 1px solid var(--outline-variant); border-radius: var(--radius-md); padding: var(--spacing-sm); min-height: 110px; box-shadow: var(--shadow-sm); text-align: center; }
      .link-card::before { content: ''; width: 44px; height: 44px; border-radius: 50%; margin-bottom: 6px; box-shadow: 0 2px 6px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.35); background: linear-gradient(135deg, var(--primary), var(--secondary)); }
      .quick-links .link-card:nth-child(2)::before { background: linear-gradient(135deg, #9c27b0, #673ab7); }
      .quick-links .link-card:nth-child(3)::before { background: linear-gradient(135deg, #009688, #4db6ac); }
      .quick-links .link-card:nth-child(4)::before { background: linear-gradient(135deg, #ff9800, #ffc107); }
      .quick-links .link-card:nth-child(5)::before { background: linear-gradient(135deg, #3f51b5, #2196f3); }
      .link-card h3 { font-size: var(--font-size-sm); font-weight: 800; margin: 0; color: var(--on-surface); }
    }
    @media (max-width: 420px) {
      .quick-links { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--spacing-sm); }
      .link-card { min-height: 100px; }
      .link-card::before { width: 40px; height: 40px; }
    }
    
    /* Quick links as 3-column cards with images and subtitle */
    @media (max-width: 768px) {
      /* Quick links grid: responsive 3→2 columns, refined card */
      @media (max-width: 768px) {
        .quick-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--spacing-md); background: none; border: 0; padding: 0; box-shadow: none; }
        .link-card { background: var(--surface); border: 1px solid var(--outline-variant); border-radius: var(--radius-md); padding: var(--spacing-sm); min-height: 120px; text-align: center; box-shadow: var(--shadow-sm); transition: transform var(--transition-fast), box-shadow var(--transition-fast); }
        .link-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .link-card:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
        .link-card .link-img { width: 56px; height: 56px; aspect-ratio: 1 / 1; object-fit: contain; margin-bottom: var(--spacing-xs); }
        .link-card h3 { font-size: var(--font-size-sm); font-weight: 800; margin: 0; color: var(--on-surface); }
      }
      @media (max-width: 420px) {
        .quick-links { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--spacing-sm); }
        .link-card { min-height: 110px; }
        .link-card .link-img { width: 52px; height: 52px; }
      }
    }
    .link-card { min-height: 100px; padding: 6px; }
    .link-card .link-img { width: 48px; height: 48px; }
    .link-card h3 { font-size: 0.8rem; }
    
    /* Robust Arabic font stack */
    body, .main-content {
      font-family: 'Tajawal', system-ui, -apple-system, 'Segoe UI', 'Roboto', 'Noto Sans Arabic', 'Almarai', 'Cairo', sans-serif;
    }

    /* Hero text refinement */
    .hero-title {
      font-weight: 900;
      letter-spacing: 0.3px;
    }
    .hero-subtitle {
      color: #e8f4ff;
      letter-spacing: 0.25px;
      text-wrap: balance;
    }

    /* Quick links typography & icon color */
    .link-card h3 {
      font-size: var(--font-size-base);
      font-weight: 700;
      color: var(--on-surface);
      line-height: 1.35;
    }
    .link-card .material-icons {
      color: var(--primary);
    }

    /* Bottom nav improvements: show all labels on mobile */
    @media (max-width: 768px) {
      .bottom-nav { flex-wrap: nowrap; }
    }
    
    /* Very small phones: keep labels visible and compress layout */
    @media (max-width: 360px) {
      .bottom-nav { height: calc(var(--bottom-nav-height)); }
      .bottom-nav .nav-item { min-width: 42px; padding: 2px; gap: 2px; }
      .bottom-nav .nav-item .material-icons { font-size: 1.1rem; }
      .bottom-nav .nav-item span:not(.material-icons) {
        display: block !important;
        font-size: 0.58rem;
        line-height: 1.1;
        font-weight: 500;
        letter-spacing: 0;
        white-space: nowrap;
      }
    }

    /* Contact section readability */
    .contact-info h4 { font-weight: 700; }
    .contact-info p { color: var(--on-surface-variant); }
  }
  }

/* RTL layout for hero banner: fill space right→left and align text with logo */
@media (max-width: 768px) {
  .hero-banner {
    display: flex;
    flex-direction: row-reverse; /* elements flow from right to left */
    justify-content: space-between; /* fill available space */
    align-items: center;
  }
  .hero-content {
    flex: 1;
    text-align: right;
    display: flex;
    flex-direction: column;
    align-items: flex-end; /* align text edges with logo at right */
    gap: var(--spacing-xs);
  }
  /* normalize guarantee phrase styling (no highlight) */
  .kun-highlight { background: none !important; -webkit-text-fill-color: inherit !important; color: inherit !important; font-weight: inherit !important; animation: none !important; }
/* Filters sheet actions bar */
@media (max-width: 768px) {
  .filters-actions { position: sticky; bottom: 0; background: var(--surface); padding: var(--spacing-sm); border-top: 1px solid var(--outline-variant); display: flex; justify-content: flex-end; }
  .filters-actions .btn { min-height: 40px; }
}

/* Reduce floating buttons size */
@media (max-width: 768px) {
  .floating-connection-btn, .floating-update-btn, .floating-filter-btn { width: 48px; height: 48px; }
}

/* Floating buttons positioned bottom-right on mobile with specified order */
@media (max-width: 768px) {
  .floating-connection-btn, .floating-update-btn, .floating-filter-btn {
    position: fixed;
    right: 12px;
    left: auto !important;
    width: 48px;
    height: 48px;
    z-index: 999;
  }
  /* Order from bottom to top: Update, Connection, Filter */
  .floating-update-btn { bottom: calc(var(--bottom-nav-height) + 16px); }
  .floating-connection-btn { bottom: calc(var(--bottom-nav-height) + 80px); }
  .floating-filter-btn { bottom: calc(var(--bottom-nav-height) + 144px); display: none; }
}

/* Redesigned filter sheet: header, grid and visual polish */
@media (max-width: 768px) {
  #marketplace.filters-sheet-open .marketplace-filters {
    background: linear-gradient(180deg, rgba(250,250,250,0.95), rgba(245,245,245,0.95));
    border-top: 1px solid var(--outline-variant);
  }
  .filters-header { position: sticky; top: 0; background: inherit; padding: var(--spacing-sm) var(--spacing-md); border-bottom: 1px solid var(--outline-variant); display: flex; align-items: center; justify-content: space-between; }
  .filters-title { display: flex; align-items: center; gap: var(--spacing-xs); color: var(--on-surface); }
  .filters-title h3 { margin: 0; font-size: var(--font-size-base); font-weight: 800; }
  .filters-title .material-icons { color: var(--primary); }
  .sheet-handle { width: 36px; height: 4px; border-radius: 999px; background: var(--outline-variant); opacity: 0.7; margin: 0 auto var(--spacing-sm); }
  .close-sheet .material-icons { color: var(--on-surface-variant); }
  .filters-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-md); padding: var(--spacing-md) 0; }
  .filters-grid .filter-group { background: var(--surface); border: 1px solid var(--outline-variant); border-radius: var(--radius-md); padding: var(--spacing-sm); }
  .filters-grid .filter-group label { font-weight: 700; color: var(--on-surface); }
  .filter-select { border-radius: var(--radius-sm); }
  .kun-guarantee-filter .label-text { font-weight: 600; }
}
@media (max-width: 420px) {
  .filters-grid { grid-template-columns: 1fr; }
}