/* ==========================================================================
   APSARA BAKES - Professional Gray & White Theme (Optimized & Fast)
   ========================================================================== */

:root {
  --bg-main: #f8f9fa;
  --bg-surface: #ffffff;
  --bg-subtle: #f1f3f5;
  --border-light: #e5e7eb;
  --border-medium: #d1d5db;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #6b7280;
  --accent-dark: #1f2937;
  --accent-gray: #374151;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.12);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   HEADER SECTION WITH PROMINENT LOGO
   ========================================================================== */
.app-header {
  flex-shrink: 0;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  z-index: 10;
}

.header-inner {
  padding: 14px 20px 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #ffffff;
}

.header-logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 320px;
}

/* Big and prominent logo as requested */
.header-logo {
  height: 72px;
  max-height: 85px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  display: block;
}

@media (min-width: 640px) {
  .header-logo {
    height: 88px;
    max-height: 98px;
  }
}

.page-nav {
  position: relative;
  display: flex;
  max-width: 540px;
  margin: 0 auto;
  padding: 2px 12px 12px;
  gap: 6px;
}

.nav-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 8px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: var(--bg-subtle);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  white-space: nowrap;
}

@media (max-width: 480px) {
  .page-nav {
    padding: 2px 8px 10px;
    gap: 4px;
  }
  .nav-tab {
    padding: 8px 5px;
    font-size: 11px;
    gap: 3px;
  }
  .tab-count {
    font-size: 9.5px;
    padding: 1px 4px;
  }
}

.nav-tab.active {
  background: var(--accent-dark);
  color: #ffffff;
  border-color: var(--accent-dark);
  box-shadow: var(--shadow-sm);
}

.tab-count {
  font-size: 11px;
  font-weight: 700;
  background: rgba(0, 0, 0, 0.08);
  padding: 2px 7px;
  border-radius: 12px;
}

.nav-tab.active .tab-count {
  background: rgba(255, 255, 255, 0.22);
  color: #ffffff;
}

/* ==========================================================================
   WISH POPUP: "Thank you for choosing Apsara Bakes. Have a sweet day!"
   ========================================================================== */
.popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(17, 24, 39, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.popup-overlay.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.celebration-card {
  position: relative;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px 28px;
  max-width: 380px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: wishCardPop 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes wishCardPop {
  0% {
    transform: scale(0.9) translateY(14px);
    opacity: 0;
  }
  100% {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.popup-close-btn {
  position: absolute;
  top: 12px;
  right: 14px;
  background: transparent;
  border: none;
  font-size: 24px;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  transition: color 0.15s, background-color 0.15s;
}

.popup-close-btn:hover {
  color: var(--text-primary);
  background-color: var(--bg-subtle);
}

.popup-logo-wrap {
  margin: 0 auto 18px;
  max-width: 220px;
}

.popup-logo {
  height: 56px;
  width: auto;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

/* Exact wish text requested */
.celebration-wish-text {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text-primary);
  margin-bottom: 22px;
  padding: 0 8px;
}

.popup-timer-wrap {
  display: flex;
  flex-direction: column;
  gap: 7px;
  align-items: center;
}

.popup-progress-track {
  width: 100%;
  height: 4px;
  background-color: var(--bg-subtle);
  border-radius: 4px;
  overflow: hidden;
}

.popup-progress-bar {
  width: 100%;
  height: 100%;
  background-color: var(--accent-dark);
  transform-origin: left;
  animation: countdownProgress 2s linear forwards;
}

@keyframes countdownProgress {
  from {
    transform: scaleX(1);
  }
  to {
    transform: scaleX(0);
  }
}

.popup-countdown {
  font-size: 11.5px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ==========================================================================
   SWIPE HINT
   ========================================================================== */
.swipe-hint {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 6px 16px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-light);
  user-select: none;
}

.swipe-hint-icon {
  font-size: 12px;
  color: var(--text-muted);
  animation: pulseArrow 1.8s infinite ease-in-out;
}

@keyframes pulseArrow {
  0%, 100% { transform: translateX(0); opacity: 0.5; }
  50% { transform: translateX(3px); opacity: 1; }
}

/* ==========================================================================
   ANIMATED SLIDE TO NEXT SECTION HINT
   ========================================================================== */
.slide-guide-hint {
  position: fixed;
  bottom: 58px;
  left: 50%;
  transform: translate(-50%, 0);
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  cursor: pointer;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.24s ease, transform 0.24s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.24s;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.slide-guide-hint.popping-up {
  animation: hintPopUp 0.38s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.slide-guide-hint.hidden {
  opacity: 0;
  transform: translate(-50%, 14px) scale(0.92);
  pointer-events: none;
  visibility: hidden;
}

.slide-guide-hint.hidden .slide-guide-arrow-icon {
  animation-play-state: paused;
}

.slide-guide-hint.stopped {
  display: none !important;
}

.slide-guide-content {
  display: flex;
  align-items: center;
  gap: 9px;
  background: rgba(17, 24, 39, 0.92);
  color: #ffffff;
  padding: 8px 14px 8px 16px;
  border-radius: 30px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.24), 0 2px 6px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform 0.18s ease, background-color 0.18s ease;
}

.slide-guide-hint:hover .slide-guide-content {
  background: rgba(17, 24, 39, 0.98);
  transform: scale(1.03);
}

.slide-guide-hint:active .slide-guide-content {
  transform: scale(0.96);
}

.slide-guide-text {
  white-space: nowrap;
}

.slide-guide-arrow-box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-dark, #b91c1c);
  color: #ffffff;
  flex-shrink: 0;
}

.slide-guide-arrow-icon {
  animation: slideArrowAnim 1.2s infinite ease-in-out;
}

@keyframes slideArrowAnim {
  0%, 100% {
    transform: translateX(-2.5px);
  }
  50% {
    transform: translateX(3.5px);
  }
}

@keyframes hintPopUp {
  0% {
    opacity: 0;
    transform: translate(-50%, 18px) scale(0.88);
  }
  70% {
    opacity: 1;
    transform: translate(-50%, -3px) scale(1.03);
  }
  100% {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
  }
}

/* ==========================================================================
   SWIPE VIEWPORT & CONTAINERS
   ========================================================================== */
.swipe-viewport {
  flex: 1;
  width: 100%;
  overflow: hidden;
  position: relative;
  touch-action: pan-y;
}

.swipe-container {
  display: flex;
  width: 300%;
  height: 100%;
  transition: transform 0.32s cubic-bezier(0.2, 0.9, 0.3, 1);
  will-change: transform;
}

.menu-page {
  width: 33.333333%;
  height: 100%;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 16px;
  box-sizing: border-box;
}

/* ==========================================================================
   ITEMS GRID & CARDS (Clickable for Fullscreen View)
   ========================================================================== */
.items-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 960px;
  margin: 0 auto;
  padding-bottom: 24px;
}

@media (min-width: 640px) {
  .items-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .items-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
}

.item-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  position: relative;
}

.item-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
}

.item-card:active {
  transform: scale(0.98);
}

.item-img-box {
  position: relative;
  width: 100%;
  padding-top: 100%; /* 1:1 Aspect Ratio */
  background: var(--bg-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 10px;
}

.item-img-box img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8px;
  transition: transform 0.25s ease;
}

.item-card:hover .item-img-box img {
  transform: scale(1.05);
}

.item-details {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: center;
  text-align: center;
}

.item-name {
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==========================================================================
   FULLSCREEN IMAGE VIEWER MODAL (WHITE BACKGROUND)
   ========================================================================== */
.image-viewer-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  background-color: #ffffff;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.image-viewer-modal.active {
  opacity: 1;
  visibility: visible;
}

.viewer-backdrop {
  position: fixed;
  inset: 0;
  background-color: #ffffff;
}

.viewer-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  max-width: 600px;
  margin: auto;
  padding: 24px 16px 36px;
  box-sizing: border-box;
  animation: viewerZoom 0.28s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes viewerZoom {
  0% {
    transform: scale(0.93);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.viewer-close-btn {
  position: fixed;
  top: 16px;
  right: 18px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  color: #1e293b;
  font-size: 26px;
  line-height: 1;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10002;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: background-color 0.2s, transform 0.2s, color 0.2s;
}

.viewer-close-btn:hover {
  background: #e2e8f0;
  color: #0f172a;
  transform: scale(1.06);
}

.viewer-image-box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 440px;
  max-height: 42vh;
  margin-bottom: 14px;
}

.viewer-img {
  max-width: 100%;
  max-height: 40vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.viewer-caption {
  width: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.viewer-header-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.viewer-title {
  font-size: 21px;
  font-weight: 700;
  color: #111827;
  letter-spacing: -0.01em;
  margin: 0;
  text-shadow: none;
}

.viewer-ingredients-box {
  width: 100%;
  max-width: 500px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 12px 14px;
  box-sizing: border-box;
  text-align: left;
}

.viewer-ingredients-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #475569;
  margin-bottom: 8px;
}

.viewer-ingredients-label svg {
  color: #b91c1c;
}

.viewer-ingredients-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ingredient-chip {
  display: inline-flex;
  align-items: center;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: #1e293b;
  font-size: 12.5px;
  font-weight: 500;
  padding: 4px 11px;
  border-radius: 16px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.viewer-category-tag {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 600;
  color: #475569;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  padding: 4px 14px;
  border-radius: 20px;
}

.viewer-share-section {
  width: 100%;
  max-width: 500px;
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.viewer-share-label {
  font-size: 13px;
  font-weight: 600;
  color: #64748b;
  letter-spacing: 0.01em;
}

.viewer-share-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  width: 100%;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 16px;
  border-radius: 22px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  outline: none;
  text-decoration: none;
  font-family: inherit;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.share-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.share-btn:active {
  transform: scale(0.96);
}

.share-btn-whatsapp {
  background: #25D366;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.28);
}

.share-btn-whatsapp:hover {
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.4);
}

.share-btn-instagram {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(220, 39, 67, 0.28);
}

.share-btn-instagram:hover {
  box-shadow: 0 6px 16px rgba(220, 39, 67, 0.42);
}

.share-btn-native {
  background: #1e293b;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(30, 41, 59, 0.22);
}

.share-btn-native:hover {
  background: #0f172a;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.3);
}

.share-btn-copy {
  background: #f1f5f9;
  color: #334155;
  border: 1px solid #cbd5e1;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.share-btn-copy:hover {
  background: #e2e8f0;
  color: #0f172a;
}

.share-btn-copy.copied {
  background: #ecfdf5;
  color: #065f46;
  border-color: #a7f3d0;
}

.share-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(24px);
  background: #111827;
  color: #ffffff;
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 13.5px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 10005;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.share-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ==========================================================================
   FOOTER: SWIPE DOTS
   ========================================================================== */
.app-footer {
  flex-shrink: 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  padding: 10px 16px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.dots-indicator {
  display: flex;
  gap: 8px;
  align-items: center;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background-color: var(--border-medium);
  cursor: pointer;
  transition: all 0.25s ease;
}

.dot.active {
  width: 22px;
  background-color: var(--accent-dark);
}