/* ==========================================================================
   UI COMPONENTS & MOBILE-FIRST INTERACTION SYSTEM
   ========================================================================== */

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: var(--touch-target-min);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--font-base);
  text-align: center;
  transition: all var(--transition-fast);
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-text-main);
  border: 1px solid var(--color-border-red);
  box-shadow: var(--shadow-red);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  box-shadow: 0 6px 24px var(--color-primary-glow);
}

.btn-gold {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
  color: #1a1400;
  font-weight: 700;
  border: 1px solid var(--color-border-gold);
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
  box-shadow: 0 6px 24px var(--color-gold-glow);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: #FFFFFF;
  border: 1px solid rgba(37, 211, 102, 0.4);
}

.btn-whatsapp:hover {
  filter: brightness(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-main);
  border: 1px solid var(--color-border-hover);
}

.btn-outline:hover {
  background: var(--color-bg-elevated);
  border-color: var(--color-gold);
}

.btn-sm {
  min-height: 38px;
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-sm);
}

.btn-full {
  width: 100%;
}

.btn-icon {
  width: var(--touch-target-min);
  height: var(--touch-target-min);
  padding: 0;
  border-radius: var(--radius-full);
}

/* --------------------------------------------------------------------------
   Trust Badges & Labels
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--font-xs);
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-bogo {
  background: linear-gradient(135deg, var(--color-primary), #E91E63);
  color: #FFFFFF;
  box-shadow: 0 2px 8px var(--color-primary-glow);
  animation: pulse-badge 2s infinite ease-in-out;
}

@keyframes pulse-badge {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}

.badge-gold {
  background: rgba(255, 160, 0, 0.15);
  color: var(--color-gold);
  border: 1px solid var(--color-border-gold);
}

.badge-halal {
  background: rgba(0, 166, 81, 0.15);
  color: #00E676;
  border: 1px solid rgba(0, 230, 118, 0.35);
}

.badge-free-delivery {
  background: rgba(33, 150, 243, 0.15);
  color: #64B5F6;
  border: 1px solid rgba(100, 181, 246, 0.3);
}

.badge-no-discount {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  border-color: var(--color-border-gold);
  box-shadow: var(--shadow-md);
}

/* --------------------------------------------------------------------------
   Free Delivery Progress Bar (Target Rs. 800)
   -------------------------------------------------------------------------- */
.delivery-meter {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-gold);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
}

.meter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-sm);
  margin-bottom: var(--space-xs);
  font-weight: 600;
}

.meter-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.meter-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-gold), var(--color-success));
  border-radius: var(--radius-full);
  transition: width var(--transition-smooth);
}

.meter-note {
  font-size: var(--font-xs);
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* --------------------------------------------------------------------------
   Search & Filter Pills
   -------------------------------------------------------------------------- */
.search-box {
  position: relative;
  width: 100%;
  margin-bottom: var(--space-md);
}

.search-input {
  width: 100%;
  min-height: 48px;
  padding: var(--space-xs) 44px var(--space-xs) var(--space-md);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-main);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px var(--color-gold-glow);
  outline: none;
}

.search-icon {
  position: absolute;
  right: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

/* Category Horizontal Scroll Pills */
.category-pills-wrap {
  position: relative;
  margin-bottom: var(--space-lg);
}

.category-pills {
  display: flex;
  gap: var(--space-xs);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--space-xs);
  scrollbar-width: none;
}

.category-pills::-webkit-scrollbar {
  display: none;
}

.pill-btn {
  flex-shrink: 0;
  scroll-snap-align: start;
  min-height: 42px;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--font-sm);
  font-weight: 600;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.pill-btn:hover {
  background: var(--color-bg-elevated);
  color: var(--color-text-main);
}

.pill-btn.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #FFFFFF;
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-red);
}

/* --------------------------------------------------------------------------
   Sticky Mobile Bottom Navigation Bar (Thumb Friendly)
   -------------------------------------------------------------------------- */
.mobile-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottom-bar-height);
  background: rgba(18, 18, 23, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  z-index: var(--z-bottom-nav);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 var(--space-xs);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: 500;
  gap: 3px;
  min-width: 56px;
  min-height: 52px;
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--transition-fast);
}

.bottom-nav-item.active,
.bottom-nav-item:hover {
  color: var(--color-gold);
}

.bottom-nav-badge {
  position: absolute;
  top: 4px;
  right: 12px;
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: 10px;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

@media (min-width: 768px) {
  .mobile-bottom-bar {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Modal & Slide-up Drawers
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.drawer {
  background: var(--color-bg-surface);
  border-top-left-radius: var(--radius-xl);
  border-top-right-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  border-bottom: none;
  width: 100%;
  max-width: 600px;
  max-height: 85vh;
  max-height: 85dvh;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform var(--transition-smooth);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-backdrop.open .drawer {
  transform: translateY(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.drawer-drag-handle {
  width: 44px;
  height: 5px;
  background: var(--color-border-hover);
  border-radius: var(--radius-full);
  margin: var(--space-xs) auto 0;
}

.drawer-body {
  padding: var(--space-md) var(--space-lg);
  overflow-y: auto;
  flex: 1;
}

.drawer-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
}

@media (min-width: 768px) {
  .modal-backdrop {
    align-items: center;
    padding: var(--space-md);
  }
  .drawer {
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    transform: scale(0.95);
    opacity: 0;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }
  .modal-backdrop.open .drawer {
    transform: scale(1);
    opacity: 1;
  }
}

/* --------------------------------------------------------------------------
   Toast Notifications
   -------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  left: 20px;
  max-width: 420px;
  margin-left: auto;
  z-index: var(--z-toast);
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.toast {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  border-left: 4px solid var(--color-gold);
  color: var(--color-text-main);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  pointer-events: auto;
  animation: slide-toast 0.3s ease-out;
  font-size: var(--font-sm);
}

.toast.toast-success {
  border-left-color: var(--color-success);
}

.toast.toast-error {
  border-left-color: var(--color-danger);
}

@keyframes slide-toast {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}