/**
 * Kenne Multi-Services — Overlay Components CSS
 * ================================================
 * This file contains all styles for overlay/fixed-position components
 * that must work independently of the Webpack build.
 * 
 * Components: Cart Drawer, Exit Intent, Social Proof, Mobile Bottom Bar, WhatsApp Float
 */

/* ================================================================
   CSS VARIABLES (Design Tokens)
   ================================================================ */
:root {
  --kms-color-primary: #975136;
  --kms-color-primary-dark: #7a3f28;
  --kms-color-white: #ffffff;
  --kms-color-dark: #282c34;
  --kms-color-gray-100: #f7f6f5;
  --kms-color-gray-200: #eeeceb;
  --kms-color-gray-300: #ddd9d6;
  --kms-color-gray-400: #b8b2ad;
  --kms-color-gray-500: #8a837d;
  --kms-color-gray-600: #6b645e;
  --kms-color-gray-700: #4d4843;
  --kms-color-success: #2e7d32;
  --kms-color-danger: #d32f2f;
  --kms-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --kms-border-radius: 0.5rem;
  --kms-border-radius-sm: 0.25rem;
  --kms-border-radius-lg: 1rem;
  --kms-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --kms-font-heading: 'Playfair Display', Georgia, serif;
  --kms-z-overlay: 1040;
  --kms-z-modal: 1060;
  --kms-z-toast: 1080;
}

/* ================================================================
   CART DRAWER
   ================================================================ */
.cart-drawer-backdrop {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: var(--kms-z-overlay);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.cart-drawer-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(400px, 90vw);
  height: 100%;
  height: 100dvh;
  background: var(--kms-color-white);
  z-index: var(--kms-z-modal);
  box-shadow: var(--kms-shadow-lg);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.cart-drawer.is-open {
  transform: translateX(0);
}

.cart-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--kms-color-gray-300);
  flex-shrink: 0;
}

.cart-drawer__title {
  font-family: var(--kms-font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
  color: var(--kms-color-dark);
}

.cart-drawer__close {
  background: none;
  border: none;
  font-size: 1.75rem;
  cursor: pointer;
  color: var(--kms-color-gray-600);
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  width: 40px;
  height: 40px;
  border-radius: var(--kms-border-radius);
  transition: all 0.2s ease;
}

.cart-drawer__close:hover {
  color: var(--kms-color-dark);
  background: var(--kms-color-gray-100);
}

.cart-drawer__body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 24px;
}

.cart-drawer__empty {
  text-align: center;
  color: var(--kms-color-gray-500);
  padding: 48px 0;
  font-size: 0.875rem;
}

.cart-drawer__item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--kms-color-gray-100);
  align-items: center;
}

.cart-drawer__item:last-child {
  border-bottom: none;
}

.cart-drawer__item-img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: var(--kms-border-radius-sm);
  flex-shrink: 0;
}

.cart-drawer__item-info {
  flex: 1;
  min-width: 0;
}

.cart-drawer__item-name {
  font-weight: 500;
  font-size: 0.875rem;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-decoration: none;
  color: var(--kms-color-dark);
}

.cart-drawer__item-name:hover {
  color: var(--kms-color-primary);
}

.cart-drawer__item-qty {
  font-size: 0.875rem;
  color: var(--kms-color-gray-600);
}

.cart-drawer__item-price {
  font-weight: 600;
  color: var(--kms-color-primary);
  font-size: 0.875rem;
}

.cart-drawer__item-remove {
  background: none;
  border: none;
  color: var(--kms-color-gray-400);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--kms-border-radius-sm);
  transition: all 0.2s ease;
}

.cart-drawer__item-remove:hover {
  color: var(--kms-color-danger);
  background: rgba(211, 47, 47, 0.1);
}

.cart-drawer__footer {
  padding: 16px 24px;
  border-top: 1px solid var(--kms-color-gray-300);
  flex-shrink: 0;
  background: var(--kms-color-gray-100);
}

.cart-drawer__total {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: 16px;
  color: var(--kms-color-dark);
}

.cart-drawer__actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ================================================================
   EXIT INTENT POPUP
   ================================================================ */
.exit-intent-backdrop {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: var(--kms-z-modal);
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.exit-intent-backdrop--visible {
  opacity: 1;
  visibility: visible;
}

.exit-intent-modal {
  background: var(--kms-color-white);
  border-radius: var(--kms-border-radius-lg);
  max-width: 480px;
  width: 100%;
  padding: 48px 32px;
  text-align: center;
  position: relative;
  transform: translateY(24px) scale(0.95);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: var(--kms-shadow-lg);
}

.exit-intent-backdrop--visible .exit-intent-modal {
  transform: translateY(0) scale(1);
}

.exit-intent-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.75rem;
  cursor: pointer;
  color: var(--kms-color-gray-500);
  line-height: 1;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--kms-border-radius);
  transition: all 0.2s ease;
}

.exit-intent-modal__close:hover {
  color: var(--kms-color-dark);
  background: var(--kms-color-gray-100);
}

.exit-intent-modal__icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.exit-intent-modal__title {
  font-family: var(--kms-font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--kms-color-dark);
  margin: 0 0 8px 0;
}

.exit-intent-modal__text {
  color: var(--kms-color-gray-600);
  font-size: 1rem;
  margin: 0 0 24px 0;
  line-height: 1.6;
}

.exit-intent-modal__code-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--kms-color-gray-100);
  border: 2px dashed var(--kms-color-primary);
  border-radius: var(--kms-border-radius);
  padding: 16px;
  margin-bottom: 24px;
}

.exit-intent-modal__code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--kms-color-primary);
  letter-spacing: 0.1em;
}

.exit-intent-modal__copy-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  padding: 4px;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.exit-intent-modal__copy-btn:hover {
  opacity: 1;
}

.exit-intent-modal__cta {
  width: 100%;
  margin-bottom: 12px;
}

.exit-intent-modal__dismiss {
  background: none;
  border: none;
  color: var(--kms-color-gray-500);
  font-size: 0.875rem;
  cursor: pointer;
  padding: 8px;
  text-decoration: underline;
}

.exit-intent-modal__dismiss:hover {
  color: var(--kms-color-gray-700);
}

/* ================================================================
   SOCIAL PROOF TOAST
   ================================================================ */
.social-proof-toast {
  position: fixed;
  bottom: 100px;
  left: 16px;
  z-index: var(--kms-z-toast);
  background: var(--kms-color-white);
  border-radius: var(--kms-border-radius);
  box-shadow: var(--kms-shadow-lg);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 380px;
  transform: translateX(-120%);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  border-left: 3px solid var(--kms-color-success);
}

.social-proof-toast--visible {
  transform: translateX(0);
}

.social-proof-toast__img {
  flex-shrink: 0;
}

.social-proof-toast__img img {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: var(--kms-border-radius-sm);
}

.social-proof-toast__icon {
  font-size: 1.5rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(46, 125, 50, 0.1);
  border-radius: var(--kms-border-radius-sm);
}

.social-proof-toast__text {
  flex: 1;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--kms-color-gray-700);
}

.social-proof-toast__text strong {
  color: var(--kms-color-dark);
}

.social-proof-toast__product {
  color: var(--kms-color-primary);
  text-decoration: none;
  font-weight: 500;
  display: block;
}

.social-proof-toast__product:hover {
  text-decoration: underline;
}

.social-proof-toast__time {
  display: block;
  font-size: 0.75rem;
  color: var(--kms-color-gray-500);
  margin-top: 2px;
}

.social-proof-toast__close {
  position: absolute;
  top: 4px;
  right: 6px;
  background: none;
  border: none;
  font-size: 1.1rem;
  color: var(--kms-color-gray-400);
  cursor: pointer;
  padding: 2px;
  line-height: 1;
}

.social-proof-toast__close:hover {
  color: var(--kms-color-gray-700);
}

/* Mobile adjustment */
@media (max-width: 480px) {
  .social-proof-toast {
    left: 8px;
    right: 8px;
    max-width: none;
    bottom: 80px;
  }
}

/* ================================================================
   MOBILE BOTTOM NAVIGATION BAR
   ================================================================ */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1025;
  background: var(--kms-color-white);
  border-top: 1px solid var(--kms-color-gray-200);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease;
}

.mobile-bottom-bar--hidden {
  transform: translateY(100%);
}

.mobile-bottom-bar__nav {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 8px 0;
  padding-bottom: calc(8px + env(safe-area-inset-bottom, 0px));
}

.mobile-bottom-bar__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-decoration: none;
  color: var(--kms-color-gray-500);
  font-size: 0.65rem;
  font-weight: 500;
  position: relative;
  padding: 4px 8px;
  transition: color 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.mobile-bottom-bar__link:hover,
.mobile-bottom-bar__link--active {
  color: var(--kms-color-primary);
}

.mobile-bottom-bar__icon {
  font-size: 1.35rem;
  line-height: 1;
}

.mobile-bottom-bar__badge {
  position: absolute;
  top: 0;
  right: -2px;
  background: var(--kms-color-danger);
  color: var(--kms-color-white);
  font-size: 0.6rem;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  border-radius: 50rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

/* Show only on mobile */
@media (max-width: 768px) {
  .mobile-bottom-bar {
    display: block;
  }
  
  body {
    padding-bottom: 64px;
  }
}

/* ================================================================
   WHATSAPP FLOATING BUTTON
   ================================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1050;
  width: 56px;
  height: 56px;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: all 0.3s ease;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

.whatsapp-float__tooltip {
  position: absolute;
  right: 100%;
  margin-right: 12px;
  background: var(--kms-color-dark);
  color: var(--kms-color-white);
  font-size: 0.8125rem;
  padding: 8px 12px;
  border-radius: var(--kms-border-radius);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transform: translateX(8px);
  transition: all 0.3s ease;
}

.whatsapp-float:hover .whatsapp-float__tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

/* Mobile adjustment */
@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 80px;
  }
}

/* ================================================================
   SHARED BUTTON STYLES (for overlays)
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.75rem 1.75rem;
  font-family: var(--kms-font-family);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  border: 2px solid transparent;
  border-radius: var(--kms-border-radius);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn--primary {
  background-color: var(--kms-color-primary);
  color: var(--kms-color-white);
  border-color: var(--kms-color-primary);
}

.btn--primary:hover:not(:disabled) {
  background-color: var(--kms-color-primary-dark);
  border-color: var(--kms-color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(151, 81, 54, 0.35);
}

.btn--outline {
  background-color: transparent;
  color: var(--kms-color-primary);
  border-color: var(--kms-color-primary);
}

.btn--outline:hover:not(:disabled) {
  background-color: var(--kms-color-primary);
  color: var(--kms-color-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(151, 81, 54, 0.25);
}

.btn--full {
  width: 100%;
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: 1.125rem;
}

/* ================================================================
   PROMO BAR
   ================================================================ */
.promo-bar {
  background: var(--kms-color-dark);
  color: var(--kms-color-white);
  padding: 10px 16px;
  text-align: center;
  font-size: 0.875rem;
  position: relative;
}

.promo-bar strong {
  color: #fbbf24;
}

.promo-bar__close {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--kms-color-gray-400);
  cursor: pointer;
  font-size: 1.25rem;
  padding: 4px;
  line-height: 1;
}

.promo-bar__close:hover {
  color: var(--kms-color-white);
}

/* ================================================================
   QUICKVIEW MODAL
   ================================================================ */
.quickview-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: var(--kms-z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.quickview-overlay--visible,
.quickview-overlay--active {
  opacity: 1;
  visibility: visible;
}

.quickview-modal {
  background: var(--kms-color-white);
  border-radius: var(--kms-border-radius-lg);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.95) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: var(--kms-shadow-lg);
}

.quickview-overlay--visible .quickview-modal,
.quickview-overlay--active .quickview-modal {
  transform: scale(1) translateY(0);
}

.quickview-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 10;
  background: var(--kms-color-white);
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--kms-color-gray-600);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--kms-shadow-lg);
  transition: all 0.2s ease;
}

.quickview-modal__close:hover {
  color: var(--kms-color-dark);
  background: var(--kms-color-gray-100);
}

/* ================================================================
   LIGHTBOX
   ================================================================ */
.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: calc(var(--kms-z-modal) + 10);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox-overlay--visible,
.lightbox-overlay--active {
  opacity: 1;
  visibility: visible;
}

.lightbox-overlay__img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  transform: scale(0.9);
  transition: transform 0.35s ease;
}

.lightbox-overlay--visible .lightbox-overlay__img,
.lightbox-overlay--active .lightbox-overlay__img {
  transform: scale(1);
}

.lightbox-overlay__close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--kms-color-white);
  font-size: 2rem;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.lightbox-overlay__close:hover {
  opacity: 1;
}

.lightbox-overlay__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--kms-color-white);
  font-size: 2rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition: all 0.2s ease;
}

.lightbox-overlay__nav:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-overlay__nav--prev {
  left: 20px;
}

.lightbox-overlay__nav--next {
  right: 20px;
}

/* ================================================================
   COMPARE FLOATING BAR
   ================================================================ */
.compare-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--kms-color-dark);
  color: var(--kms-color-white);
  padding: 12px 16px;
  z-index: 1030;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.compare-bar--visible {
  transform: translateY(0);
}

.compare-bar__items {
  display: flex;
  gap: 8px;
  flex: 1;
  overflow-x: auto;
}

.compare-bar__item {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--kms-border-radius-sm);
  overflow: hidden;
  position: relative;
}

.compare-bar__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.compare-bar__item-remove {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--kms-color-danger);
  color: var(--kms-color-white);
  border: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  font-size: 0.7rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.compare-bar__action .btn {
  white-space: nowrap;
}

/* Mobile adjustment */
@media (max-width: 768px) {
  .compare-bar {
    bottom: 64px;
  }
}

/* ================================================================
   CART BADGE ANIMATION
   ================================================================ */
.cart-badge {
  background: var(--kms-color-danger);
  color: var(--kms-color-white);
  font-size: 0.7rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 50rem;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  position: absolute;
  top: -6px;
  right: -6px;
}

.cart-badge--visible {
  display: flex;
}

.cart-badge--pulse {
  animation: cartBadgePulse 0.3s ease;
}

@keyframes cartBadgePulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

/* ================================================================
   SKELETON LOADING
   ================================================================ */
.skeleton {
  background: linear-gradient(90deg, var(--kms-color-gray-200) 25%, var(--kms-color-gray-100) 50%, var(--kms-color-gray-200) 75%);
  background-size: 200% 100%;
  animation: skeletonShimmer 1.5s ease-in-out infinite;
  border-radius: var(--kms-border-radius-sm);
}

@keyframes skeletonShimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton--text {
  height: 1rem;
  margin-bottom: 8px;
}

.skeleton--title {
  height: 1.5rem;
  width: 60%;
  margin-bottom: 12px;
}

.skeleton--image {
  aspect-ratio: 1;
  width: 100%;
}

.skeleton--button {
  height: 44px;
  width: 100%;
}