/* ============================================================
   QCrate Retailer Offers - Premium Mobile-First Design System
   Brand Palette:
     Primary Navy: #34526E
     Background:   #D3E0F1
     Festive Gold: #F59E0B / #D97706
     Success:      #10B981
     Card White:   #FFFFFF
   ============================================================ */

:root {
  --color-primary: #34526E;
  --color-primary-dark: #23394D;
  --color-primary-light: #4A6E91;
  --color-primary-soft: #E9EFF7;
  --color-bg-page: #D3E0F1;
  --color-bg-subtle: #EDF3FB;
  --color-card: #FFFFFF;
  --color-text-main: #1E293B;
  --color-text-muted: #64748B;
  --color-border: #CBD5E1;
  --color-gold: #F59E0B;
  --color-gold-dark: #B45309;
  --color-emerald: #059669;
  --color-emerald-light: #D1FAE5;
  --color-amber: #D97706;
  --color-amber-light: #FEF3C7;
  --color-rose: #E11D48;
  --color-rose-light: #FFE4E6;
  
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  
  --shadow-sm: 0 2px 4px rgba(52, 82, 110, 0.06);
  --shadow-md: 0 6px 18px rgba(52, 82, 110, 0.10);
  --shadow-lg: 0 14px 34px rgba(52, 82, 110, 0.14);
  --shadow-card: 0 10px 25px -5px rgba(35, 57, 77, 0.12), 0 8px 10px -6px rgba(35, 57, 77, 0.08);

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-page);
  background-image: 
    radial-gradient(at 0% 0%, rgba(255, 255, 255, 0.7) 0px, transparent 50%),
    radial-gradient(at 100% 10%, rgba(245, 158, 11, 0.08) 0px, transparent 40%),
    radial-gradient(at 50% 100%, rgba(52, 82, 110, 0.12) 0px, transparent 60%);
  background-attachment: fixed;
  color: var(--color-text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Container */
.app-container {
  width: 100%;
  max-width: 580px; /* Optimized for mobile and Android WebViews */
  margin: 0 auto;
  padding: 12px 14px 40px;
  flex: 1;
}

/* ============================================================
   Header Section
   ============================================================ */
.site-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  box-shadow: var(--shadow-md);
  margin-bottom: 14px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-logo {
  height: 38px;
  width: auto;
  max-width: 150px;
  object-fit: contain;
  display: block;
}

.brand-tag {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 8px;
  border-radius: 20px;
}

.header-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(203, 213, 225, 0.5);
}

.location-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: 5px 10px;
  border-radius: 12px;
  transition: var(--transition-fast);
}

.location-indicator .loc-icon {
  font-size: 0.95rem;
}

.location-indicator.verified {
  background: var(--color-emerald-light);
  color: var(--color-emerald);
}

.location-indicator.unverified {
  background: var(--color-amber-light);
  color: var(--color-amber);
}

.validity-badge {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* ============================================================
   Retailer Welcome Banner
   ============================================================ */
.retailer-welcome-card {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  animation: fadeIn 0.4s ease-out;
}

.welcome-info {
  display: flex;
  flex-direction: column;
}

.welcome-title {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.3;
}

.welcome-subtitle {
  font-size: 0.76rem;
  color: #CBD5E1;
}

.identity-badge {
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(4px);
  padding: 4px 8px;
  border-radius: 8px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

/* ============================================================
   Location Detection Card
   ============================================================ */
.location-prompt-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(255, 255, 255, 0.9);
  transition: var(--transition-smooth);
}

.location-prompt-card.loading {
  opacity: 0.85;
  pointer-events: none;
}

.prompt-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.prompt-icon-box {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.prompt-content h2 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 2px;
}

.prompt-content p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.prompt-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.btn-primary {
  background: var(--color-primary);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-fast);
  box-shadow: 0 4px 12px rgba(52, 82, 110, 0.25);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--color-primary-soft);
}



/* ============================================================
   Main Offer Showcase Card
   ============================================================ */
.offer-showcase-card {
  background: var(--color-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: 16px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  transition: var(--transition-smooth);
  position: relative;
  animation: revealCard 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes revealCard {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.offer-card-header {
  padding: 16px 18px 12px;
  background: #FFFFFF;
  border-bottom: 1px solid #F1F5F9;
}

.offer-tag-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.offer-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.offer-status-badge.status-active {
  background: var(--color-emerald-light);
  color: var(--color-emerald);
}

.offer-status-badge.status-upcoming {
  background: var(--color-amber-light);
  color: var(--color-amber);
}

.offer-status-badge.status-expired {
  background: var(--color-rose-light);
  color: var(--color-rose);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 1.6s infinite;
}

.offer-circle-chip {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
}

.offer-title {
  font-family: var(--font-heading);
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.25;
  margin-bottom: 4px;
}

.offer-subtitle {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* Banner Image Presentation - Pure & Accurate */
.offer-banner-container {
  width: 100%;
  background-color: #F8FAFC;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.offer-banner-image {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  object-fit: contain;
  transition: opacity 0.3s ease;
}

/* Expired Offer Overlay */
.expired-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.72);
  backdrop-filter: blur(4px);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  color: #FFFFFF;
}

.offer-showcase-card.is-expired .expired-overlay {
  display: flex;
}

.expired-icon {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.expired-overlay h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.expired-overlay p {
  font-size: 0.85rem;
  max-width: 320px;
  color: #E2E8F0;
}

/* Countdown Bar */
.offer-countdown-bar {
  background: #FAFCFE;
  padding: 12px 18px;
  border-top: 1px solid #EDF2F7;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.countdown-label-group {
  display: flex;
  flex-direction: column;
}

.countdown-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.countdown-dates {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.countdown-timer-units {
  display: flex;
  align-items: center;
  gap: 5px;
}

.time-box {
  background: var(--color-primary);
  color: #FFFFFF;
  border-radius: 6px;
  padding: 4px 6px;
  min-width: 38px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.time-box .num {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1;
}

.time-box .unit {
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.85;
}

.time-colon {
  font-weight: 700;
  color: var(--color-primary);
}

/* Payment Condition Notice */
.payment-condition-box {
  background: #FFFBEB;
  border-left: 4px solid var(--color-amber);
  padding: 10px 14px;
  margin: 12px 16px 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.notice-icon {
  font-size: 1rem;
  color: var(--color-amber-dark);
  line-height: 1.2;
}

.notice-text {
  font-size: 0.78rem;
  color: #78350F;
  line-height: 1.4;
}

/* ============================================================
   Accordion Sections (Terms & Conditions, Privacy)
   ============================================================ */
.accordion-wrapper {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.accordion-item {
  background: var(--color-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(255, 255, 255, 0.9);
  overflow: hidden;
  transition: var(--transition-fast);
}

.accordion-trigger {
  width: 100%;
  padding: 14px 16px;
  background: transparent;
  border: none;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  color: var(--color-primary-dark);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
}

.accordion-trigger:hover {
  background: #FAFCFF;
}

.chevron-icon {
  transition: transform var(--transition-fast);
  color: var(--color-primary);
  font-size: 0.9rem;
}

.accordion-item.open .chevron-icon {
  transform: rotate(180deg);
}

.accordion-content {
  padding: 0 16px 14px;
  display: none;
  border-top: 1px solid #F1F5F9;
}

.accordion-item.open .accordion-content {
  display: block;
}

.terms-list {
  list-style: none;
  counter-reset: term-counter;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 10px;
}

.terms-list li {
  counter-increment: term-counter;
  position: relative;
  padding-left: 26px;
  font-size: 0.82rem;
  color: #334155;
  line-height: 1.45;
}

.terms-list li::before {
  content: counter(term-counter);
  position: absolute;
  left: 0;
  top: 1px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.privacy-summary-text {
  padding-top: 10px;
  font-size: 0.82rem;
  color: #475569;
  line-height: 1.5;
}

.privacy-link {
  display: inline-block;
  margin-top: 8px;
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  margin-top: auto;
  text-align: center;
  padding: 20px 10px 10px;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 10px;
}

.footer-link {
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
}

.footer-link:hover {
  text-decoration: underline;
}

.footer-attribution {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.footer-copy {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

/* ============================================================
   Spinner & Animations
   ============================================================ */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #FFFFFF;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

.spinner-dark {
  border-color: rgba(52, 82, 110, 0.2);
  border-top-color: var(--color-primary);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.9); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Standalone Legal Pages Styling (Terms & Privacy)
   ============================================================ */
.legal-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
}

.legal-header {
  margin-bottom: 18px;
  border-bottom: 1px solid #E2E8F0;
  padding-bottom: 12px;
}

.legal-header h1 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary);
}

.legal-header .update-meta {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.legal-content section {
  margin-bottom: 18px;
}

.legal-content h2 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}

.legal-content p, .legal-content li {
  font-size: 0.85rem;
  color: #334155;
  line-height: 1.55;
}

.legal-content ul {
  padding-left: 20px;
  margin-top: 6px;
  margin-bottom: 8px;
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 14px;
}

/* Toast Message */
.toast-msg {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #1E293B;
  color: #FFFFFF;
  padding: 10px 18px;
  border-radius: 30px;
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 90%;
  text-align: center;
}

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