/* ==========================================================
   BudaShop UI Theme (Refined)
   Clean rewrite after design enhancement to remove duplication & nesting errors
   ========================================================== */

:root {
  /* Base palette */
  --bg-color: #1d232a;
  --primary-text: #ffffff;
  --secondary-text: #a8b2c0;
  --tertiary-text: #7b8491;
  --accent-color: #b9945a;
  --accent-color-rgb: 185 148 90;
  --accent-gradient: linear-gradient(135deg, #caa066, #b5884b 55%, #a3753b);
  --border-color: #3a4149;
  --card-bg: #2a3038;
  --icon-color: #7b8491;
  --active-icon-color: #ffffff;
  --glow-color: rgba(185,226,144,0.5);
  --danger: #ff5252;
  --success: #4ade80;
  --warning: #fbbf24;
  --info: #38bdf8;

  /* Typography Scale */
  --text-xs: 11px;
  --text-sm: 13px;
  --text-base: 15px;
  --text-lg: 17px;
  --text-xl: 20px;
  --text-2xl: 24px;
  --text-3xl: 30px;

  /* Spacing Scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;

  /* Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-2xl: 28px;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0,0,0,.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,.35);
  --shadow-lg: 0 8px 28px -4px rgba(0,0,0,.55);

  /* Background composition */
  --gradient-bg: radial-gradient(circle at 25% 15%, #2d3640, transparent 60%),
                  radial-gradient(circle at 85% 75%, #25303a, transparent 55%),
                  linear-gradient(140deg, #1a2026, #14181d);

  /* Animation helpers */
  --transition-fast: .15s cubic-bezier(.4,.1,.2,1);
  --transition-base: .28s cubic-bezier(.4,.1,.2,1);
  --focus-ring: 0 0 0 2px rgba(255,255,255,.14), 0 0 0 4px rgba(var(--accent-color-rgb)/.55);

  /* Extended elevations & easing */
  --elev-1: 0 1px 2px rgba(0,0,0,.4), 0 0 0 1px rgba(255,255,255,.05);
  --elev-2: 0 4px 10px -2px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.06);
  --elev-3: 0 10px 26px -6px rgba(0,0,0,.65), 0 0 0 1px rgba(255,255,255,.07);
  --elev-4: 0 18px 40px -8px rgba(0,0,0,.7), 0 0 0 1px rgba(255,255,255,.08);
  --ease-soft: cubic-bezier(.4,.1,.2,1);
  --ease-smooth: cubic-bezier(.16,.84,.44,1);
  --container-max: 460px;
  --ring-accent: 0 0 0 2px rgba(var(--accent-color-rgb)/.55), 0 0 0 4px rgba(var(--accent-color-rgb)/.25);

  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue', Arial, sans-serif;
}

/* Global reset adjustments */
* { 
  box-sizing: border-box; 
  margin: 0; 
  padding: 0; 
}
body {
  background: var(--gradient-bg);
  color: var(--primary-text);
  font-size: var(--text-base);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-bottom: 84px; /* space for nav */
  min-height: 100vh; /* ensure gradient covers full viewport */
  scroll-behavior: smooth;
}

/* Blocked state */
html[data-blocked] body > *:not(#blockOverlay) { display: none !important; }
#blockOverlay {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 40% 35%, #381212, #150000 70%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100000;
  font-family: 'Inter', system-ui, sans-serif;
  padding: 32px;
  text-align: center;
}
#blockOverlay .bo-panel {
  max-width: 520px;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(8px);
  padding: 32px 36px 40px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 22px;
  box-shadow: 0 10px 32px -4px rgba(0,0,0,.6);
  animation: panelIn .5s cubic-bezier(.4,.1,.2,1);
}
#blockOverlay h1 { font-size: 24px; margin: 0 0 12px; letter-spacing: .5px; }
#blockOverlay p { font-size: 14px; line-height: 1.6; color: #d2d6da; }
@keyframes panelIn { from { transform: translateY(14px); opacity:0; } to { transform: translateY(0); opacity:1; } }

img, svg { 
  display: block; 
  max-width: 100%; 
  height: auto;
}
button { 
  font: inherit; 
  border: none;
  background: none;
  cursor: pointer;
}
a { 
  color: inherit; 
  text-decoration: none; 
}

/* Enhanced focus styles for accessibility */
*:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .premium-title .fa-star, .add-btn.success { animation: none !important; }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #ffffff;
    --secondary-text: #cccccc;
  }
}

/* Utility */
.visually-hidden { 
  position: absolute; 
  width: 1px; 
  height: 1px; 
  margin: -1px; 
  padding: 0; 
  overflow: hidden; 
  clip: rect(0 0 0 0); 
  border: 0; 
}
.muted { 
  color: var(--secondary-text); 
}
.small { 
  font-size: var(--text-sm); 
}

/* Loading states */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255,255,255,.2);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Error states */
.error-message {
  background: linear-gradient(135deg, rgba(255,82,82,.1), rgba(239,68,68,.05));
  border: 1px solid rgba(255,82,82,.3);
  color: #fecaca;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  margin: var(--space-2) 0;
}

/* Success states */
.success-message {
  background: linear-gradient(135deg, rgba(74,222,128,.1), rgba(34,197,94,.05));
  border: 1px solid rgba(74,222,128,.3);
  color: #bbf7d0;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  margin: var(--space-2) 0;
}

#app { 
  max-width: 420px; 
  margin: 0 auto; 
  padding: 0 var(--space-4); 
}

/* Header */
.header { 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  padding: var(--space-5) var(--space-1) var(--space-4); 
  position: relative; 
  margin-bottom: var(--space-2);
}
.header:after { 
  content: ""; 
  position: absolute; 
  left: 0; 
  right: 0; 
  bottom: 0; 
  height: 1px; 
  background: linear-gradient(90deg, transparent, #3a4149 40%, #3a4149 60%, transparent); 
  opacity: .6; 
}

.balance { 
  display: flex; 
  flex-direction: column; 
  gap: var(--space-1); 
}
.balance-title { 
  font-size: var(--text-xs); 
  letter-spacing: .6px; 
  text-transform: uppercase; 
  color: var(--secondary-text); 
  font-weight: 600;
}
.balance-amount { 
  font-size: var(--text-xl); 
  font-weight: 700; 
  letter-spacing: -.02em;
}
.currency { 
  font-size: var(--text-sm); 
  color: var(--tertiary-text); 
  font-weight: 500;
}
.header-icon { 
  font-size: var(--text-2xl); 
  color: #b9e290; 
  filter: drop-shadow(0 0 12px var(--glow-color));
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-2px); }
}

/* Slider */
.slider { position:relative; margin-bottom:var(--space-8); border-radius:var(--radius-2xl); overflow:hidden; }
.slide { 
  position: relative; 
  border-radius: var(--radius-2xl); 
  overflow: hidden; 
  box-shadow: var(--shadow-lg); 
  border: 1px solid rgba(255,255,255,.08); 
  background: #101418;
  transform: scale(1);
  transition: transform var(--transition-base);
}
.slide:hover {
  transform: scale(1.02);
}
.slide img { width:100%; display:block; aspect-ratio:16/9; object-fit:cover; background:#12161b; }
.slide-caption { 
  position: absolute; 
  bottom: var(--space-4); 
  left: var(--space-4); 
  color: #fff; 
  text-shadow: 0 2px 8px rgba(0,0,0,.7); 
}
.update-tag { 
  background: rgba(0,0,0,.6); 
  padding: var(--space-1) var(--space-3); 
  border-radius: var(--radius-sm); 
  font-size: var(--text-xs); 
  margin-bottom: var(--space-2); 
  display: inline-block; 
  backdrop-filter: blur(8px); 
  font-weight: 600;
  letter-spacing: .4px;
}
.city-tag { 
  font-size: var(--text-2xl); 
  font-weight: 700; 
  letter-spacing: -.02em;
}

.slider-nav { display:flex; justify-content:center; gap:var(--space-2); margin-top:var(--space-3); }
.dot { 
  width: 10px; 
  height: 10px; 
  border-radius: 50%; 
  background: #4a525c; 
  transition: all var(--transition-fast); 
  cursor: pointer;
  position:relative;
}
.dot:after { content:""; position:absolute; inset:-6px; }
.dot:hover {
  background: #6a737d;
  transform: scale(1.1);
}
.dot.active { 
  background: var(--accent-color); 
  transform: scale(1.3);
  box-shadow: 0 0 12px rgba(var(--accent-color-rgb), .4);
}

/* Main CTA */
.main-menu { 
  margin-bottom: var(--space-8); 
}
.menu-btn { 
  width: 100%; 
  background: var(--accent-gradient); 
  color: var(--primary-text); 
  border: none; 
  border-radius: var(--radius-lg); 
  padding: var(--space-5) var(--space-5); 
  font-size: var(--text-base); 
  font-weight: 700; 
  letter-spacing: .6px; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  gap: var(--space-3); 
  cursor: pointer; 
  box-shadow: var(--shadow-md); 
  position: relative; 
  overflow: hidden;
  transition: all var(--transition-base);
}
.menu-btn:before { 
  content: ""; 
  position: absolute; 
  inset: 0; 
  background: linear-gradient(135deg, rgba(255,255,255,.2), transparent 45%); 
  mix-blend-mode: overlay; 
  opacity: .7; 
}
.menu-btn:hover { 
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  filter: brightness(1.08); 
}
.menu-btn:active { 
  transform: translateY(0px); 
  filter: brightness(.94); 
}

/* Premium section */
.premium-products { 
  background: linear-gradient(135deg, rgba(255,255,255,.06), rgba(255,255,255,.02)) var(--card-bg); 
  border-radius: var(--radius-2xl); 
  padding: var(--space-6) var(--space-5) var(--space-8); 
  text-align: center; 
  border: 1px solid rgba(255,255,255,.08); 
  box-shadow: var(--elev-2); 
  position: relative; 
  overflow: hidden; 
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base); 
}
.premium-products:hover { box-shadow: var(--elev-3); border-color: rgba(255,255,255,.14); transform: translateY(-2px); }
.premium-products:before { 
  content: ""; 
  position: absolute; 
  inset: 0; 
  background: radial-gradient(circle at 72% 28%, rgba(var(--accent-color-rgb),.18), transparent 70%); 
  pointer-events: none; 
}
.premium-title { 
  font-size: var(--text-lg); 
  font-weight: 700; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  gap: var(--space-2); 
  margin-bottom: var(--space-3); 
  letter-spacing: .4px; 
}
.premium-title .fa-star { 
  color: #ffc700; 
  filter: drop-shadow(0 0 6px rgba(255,199,0,.4)); 
  animation: sparkle 2s ease-in-out infinite;
}
.premium-text { 
  font-size: var(--text-sm); 
  line-height: 1.6; 
  color: var(--secondary-text); 
}

@keyframes sparkle {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.1) rotate(5deg); }
}

/* Bottom navigation (glass) */
.bottom-nav { 
  position: fixed; 
  bottom: 0; 
  left: 0; 
  right: 0; 
  max-width: 420px; 
  margin: 0 auto; 
  display: flex; 
  justify-content: space-around; 
  padding: var(--space-3) var(--space-1) var(--space-4); 
  backdrop-filter: blur(16px) saturate(180%); 
  background: rgba(20,24,30,.85); 
  border-top: 1px solid rgba(255,255,255,.12); 
  box-shadow: 0 -4px 20px -4px rgba(0,0,0,.4); 
  z-index: 50; 
}
.nav-item { 
  position: relative; 
  display: flex; 
  flex-direction: column; 
  align-items: center; 
  gap: var(--space-1); 
  color: var(--icon-color); 
  font-size: var(--text-xs); 
  font-weight: 600;
  padding: var(--space-1) var(--space-3); 
  border-radius: var(--radius-md); 
  transition: all var(--transition-fast); 
  cursor: pointer;
}
.nav-item i { 
  font-size: var(--text-xl); 
  transition: all var(--transition-fast); 
}
.nav-item:hover:not(.active) { 
  color: #d5dbe3; 
  transform: translateY(-1px);
}
.nav-item:hover:not(.active) i { 
  transform: scale(1.1); 
}
.nav-item:active i { 
  transform: scale(.95); 
}
.nav-item.active { color: var(--active-icon-color); background: linear-gradient(140deg, rgba(255,255,255,.12), rgba(255,255,255,.04)); box-shadow: inset 0 0 0 1px rgba(255,255,255,.08), 0 2px 8px rgba(0,0,0,.2); }
.nav-item.active:after { content:""; position:absolute; bottom:-6px; left:12px; right:12px; height:3px; background:var(--accent-gradient); border-radius:4px 4px 0 0; box-shadow:0 2px 6px -2px rgba(var(--accent-color-rgb)/.6); }
.nav-item.active i {
  filter: drop-shadow(0 0 8px rgba(255,255,255,.2));
}

/* View transitions */
.view { 
  animation: fadeInSlide .5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards; 
}
@keyframes fadeInSlide { 
  from { 
    opacity: 0; 
    transform: translateY(12px) scale(.98);
  } 
  to { 
    opacity: 1; 
    transform: translateY(0) scale(1);
  } 
}
.page-title { font-weight:700; margin:var(--space-4) 0 var(--space-7); text-align:center; letter-spacing:-.02em; line-height:1.15; font-size:clamp(1.65rem,1.4rem + 1.4vw,2.45rem); background:linear-gradient(135deg,var(--primary-text), var(--secondary-text)); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }

/* Cards & generic surfaces */
.card { background:linear-gradient(140deg, rgba(255,255,255,.05), rgba(255,255,255,.015)) var(--card-bg); border:1px solid rgba(255,255,255,.08); padding:16px 18px; border-radius:var(--radius-lg); box-shadow:var(--shadow-sm); }

/* Product Grid */
/* Product Grid (final canonical version) */
.product-grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); 
  gap: var(--space-4); 
  margin-bottom: var(--space-10); 
}
.product-card { 
  --card-accent: rgba(var(--accent-color-rgb),.16);
  background: linear-gradient(155deg, rgba(255,255,255,.06), rgba(255,255,255,.015)) var(--card-bg);
  border:1px solid rgba(255,255,255,.09);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-4) var(--space-4);
  display:flex; flex-direction:column; align-items:flex-start;
  gap: var(--space-2);
  position:relative; overflow:hidden; isolation:isolate;
  box-shadow: var(--elev-2);
  transition:box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
  cursor:pointer;
  min-height:178px; /* ensure consistent height for grid alignment */
}
.product-card:before { 
  content: ""; 
  position: absolute; 
  inset: 0; 
  background: radial-gradient(circle at 85% 15%, var(--card-accent), transparent 70%); 
  opacity: .9; 
  pointer-events: none; 
  transition: opacity var(--transition-base);
}
.product-card h3 { 
  font-size: var(--text-base); 
  line-height: 1.3; 
  font-weight: 700; 
  letter-spacing: .2px; 
  word-break: break-word; 
  overflow-wrap: break-word; 
}
.product-card:hover { 
  transform: translateY(-4px);
  box-shadow: var(--elev-3); 
  border-color: rgba(255,255,255,.2); 
}
.product-card:hover:before {
  opacity: 1.2;
}
.product-card .meta { 
  font-size: var(--text-xs); 
  color: var(--secondary-text); 
  display: flex; 
  gap: var(--space-2); 
  align-items: center; 
  flex-wrap: wrap; 
}
/* Add button now participates in normal flow; push to bottom via margin-top:auto */
.product-card .add-btn { 
  position:static; 
  align-self:stretch; 
  margin-top:auto; 
}
/* Tighten meta spacing above button */
.product-card .meta { margin-bottom:4px; }

/* Light theme subtle refinements for product card after layout change */
body[data-theme="light"] .product-card { 
  border-color:#e3e8ef; 
  background:linear-gradient(155deg,#ffffff,#f7f9fc);
  box-shadow:0 2px 4px rgba(0,0,0,.04), 0 0 0 1px #e6ecf2;
}
body[data-theme="light"] .product-card:hover { 
  border-color:#d4dbe3; 
  box-shadow:0 10px 22px -6px rgba(0,0,0,.12), 0 0 0 1px #d9e0e7;
}
.price { 
  font-size: var(--text-sm); 
  font-weight: 700; 
  color: var(--accent-color); 
  letter-spacing: .3px;
}

/* Improve button readability inside product cards */
.add-btn { font-size:14px; }

/* Buttons (canonical) */
.add-btn { 
  background: var(--accent-gradient); 
  border: none; 
  color: var(--primary-text); 
  padding: var(--space-3) var(--space-4); 
  border-radius: var(--radius-md); 
  font-size: var(--text-sm); 
  font-weight: 700; 
  cursor: pointer; 
  box-shadow: var(--shadow-sm); 
  position: relative; 
  overflow: hidden; 
  letter-spacing: .4px; 
  transition: all var(--transition-base);
}
.add-btn:before { 
  content: ""; 
  position: absolute; 
  inset: 0; 
  background: linear-gradient(120deg, rgba(255,255,255,.4), transparent 55%); 
  mix-blend-mode: overlay; 
  opacity: .7; 
  transition: opacity var(--transition-fast);
}
.add-btn:hover:not(:disabled) { 
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  filter: brightness(1.1); 
}
.add-btn:hover:not(:disabled):before {
  opacity: .9;
}
.add-btn:active:not(:disabled) { 
  transform: translateY(0px); 
  filter: brightness(.96); 
}
.add-btn:disabled { 
  opacity: .5; 
  cursor: not-allowed; 
  transform: none;
}

/* Success state for add button */
.add-btn.success {
  background: linear-gradient(135deg, var(--success), #22c55e);
  animation: successPulse .6s ease-out;
}

@keyframes successPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* Loading state for buttons */
.add-btn.loading {
  pointer-events: none;
  opacity: .7;
}
.add-btn.loading:after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  margin: auto;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Distinct disabled style overlay */
.add-btn:disabled:after { 
  content: ""; 
  position: absolute; 
  inset: 0; 
  background: repeating-linear-gradient(135deg, rgba(0,0,0,.2) 0 6px, rgba(255,255,255,.05) 6px 12px); 
  mix-blend-mode: overlay; 
  border-radius: inherit; 
}

/* City selector */
.city-selector { 
  display: flex; 
  gap: var(--space-3); 
  flex-wrap: nowrap; 
  margin: 0 0 var(--space-5); 
  padding: var(--space-2) 0; 
  overflow-x: auto; 
  -webkit-overflow-scrolling: touch; 
  scroll-snap-type: x proximity; 
  overscroll-behavior-x: contain; 
  scrollbar-width: none; 
  position: relative;
}
.city-selector::-webkit-scrollbar { display: none; }
.city-btn { scroll-snap-align: start; }
/* Edge fade indicators without masking (keeps buttons clickable) */
.city-selector:before,
.city-selector:after { content:""; position:absolute; top:0; bottom:0; width:32px; pointer-events:none; z-index:2; }
.city-selector:before { left:0; background:linear-gradient(to right, var(--gradient-bg) 0%, transparent 90%); }
.city-selector:after { right:0; background:linear-gradient(to left, var(--gradient-bg) 0%, transparent 90%); }
/* Drag feedback */
.city-selector.is-dragging { cursor: grabbing; }
.city-selector.is-dragging .city-btn { pointer-events: none; }
@media (min-width: 560px) { .city-selector { flex-wrap: wrap; overflow: visible; } .city-selector:before, .city-selector:after { display:none; } .city-btn { scroll-snap-align: unset; } }
.city-btn { 
  background: linear-gradient(135deg, #2d333b, #343a42); 
  color: var(--secondary-text); 
  border: 1px solid rgba(255,255,255,.1); 
  padding: var(--space-2) var(--space-4); 
  border-radius: var(--radius-xl); 
  font-size: var(--text-sm); 
  cursor: pointer; 
  position: relative; 
  line-height: 1; 
  letter-spacing: .3px; 
  font-weight: 600;
  transition: all var(--transition-fast);
}
.city-btn:hover:not(.active):not(:disabled) { 
  background: linear-gradient(135deg, #343b44, #3a414a); 
  color: #d4dae2; 
  transform: translateY(-1px);
}
.city-btn.active { 
  background: var(--accent-gradient); 
  color: #fff; 
  border-color: rgba(255,255,255,.25); 
  box-shadow: 0 4px 12px -2px rgba(217,119,6,.2); 
  transform: translateY(-2px);
}
.city-btn:focus-visible { 
  outline: none; 
  box-shadow: var(--focus-ring); 
}
.city-btn:disabled { 
  opacity: .5; 
  cursor: not-allowed; 
}

/* Balance Panel */
.balance-panel { 
  background: linear-gradient(135deg, rgba(255,255,255,.06), rgba(255,255,255,.02)) var(--card-bg); 
  border: 1px solid rgba(255,255,255,.1); 
  padding: var(--space-6) var(--space-6) var(--space-8); 
  border-radius: var(--radius-2xl); 
  box-shadow: var(--elev-3); 
  display: flex; 
  flex-direction: column; 
  gap: var(--space-5); 
  position: relative; 
  overflow: hidden; 
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
}
.balance-panel:hover { box-shadow: var(--elev-4); border-color: rgba(255,255,255,.18); transform: translateY(-3px); }
.balance-panel:before { 
  content: ""; 
  position: absolute; 
  inset: 0; 
  background: radial-gradient(circle at 85% 10%, rgba(var(--accent-color-rgb),.2), transparent 70%); 
  pointer-events: none; 
}
.balance-header-line { 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  font-size: var(--text-sm); 
}
.balance-current-label { 
  font-weight: 700; 
  letter-spacing: .4px; 
  color: var(--secondary-text);
}
.refresh-btn { 
  background: linear-gradient(135deg, #2f3740, #343d47); 
  color: var(--primary-text); 
  border: 1px solid rgba(255,255,255,.15); 
  padding: var(--space-2) var(--space-4); 
  border-radius: var(--radius-md); 
  font-size: var(--text-xs); 
  cursor: pointer; 
  font-weight: 600; 
  transition: all var(--transition-fast);
}
.refresh-btn:hover { 
  background: linear-gradient(135deg, #38414b, #3e4851); 
  transform: translateY(-1px);
}
.refresh-btn:active { 
  background: linear-gradient(135deg, #2a3138, #2f373e); 
  transform: translateY(0);
}
.balance-amount-large { 
  font-size: var(--text-3xl); 
  font-weight: 800; 
  letter-spacing: -.02em; 
  display: flex; 
  align-items: baseline; 
  gap: var(--space-2); 
  background: linear-gradient(135deg, var(--primary-text), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.pay-with { 
  font-size: var(--text-sm); 
  color: var(--secondary-text); 
  margin-top: calc(var(--space-2) * -1); 
  font-weight: 600;
}
.pay-methods { 
  display: flex; 
  gap: var(--space-3); 
  flex-wrap: wrap;
}
.badge { 
  background: linear-gradient(135deg, #2d333b, #343a42); 
  padding: var(--space-2) var(--space-3); 
  border-radius: var(--radius-lg); 
  font-size: var(--text-xs); 
  font-weight: 600; 
  border: 1px solid rgba(255,255,255,.12); 
  display: inline-flex; 
  align-items: center; 
  gap: var(--space-2); 
  letter-spacing: .3px; 
  transition: all var(--transition-fast);
}
.badge:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.badge-sol { 
  background: linear-gradient(135deg, #1d2330, #202a38); 
}
.address-block { 
  background: linear-gradient(140deg, rgba(255,255,255,.06), rgba(255,255,255,.02)) var(--card-bg); 
  border: 1px solid rgba(255,255,255,.1); 
  padding: var(--space-5) var(--space-5) var(--space-6); 
  border-radius: var(--radius-xl); 
  display: flex; 
  flex-direction: column; 
  gap: var(--space-4); 
  box-shadow: var(--elev-1); 
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
}
.address-block:hover { box-shadow: var(--elev-2); border-color: rgba(255,255,255,.16); }
.addr-label { 
  font-size: var(--text-sm); 
  font-weight: 700; 
  letter-spacing: .4px; 
  color: var(--secondary-text);
}
.addr-row { 
  display: flex; 
  gap: var(--space-3); 
  align-items: center; 
}
.addr-input { 
  flex: 1; 
  background: linear-gradient(135deg, #22282f, #1e242b); 
  border: 1px solid rgba(255,255,255,.15); 
  color: var(--primary-text); 
  padding: var(--space-3) var(--space-4); 
  border-radius: var(--radius-2xl); 
  font-family: 'JetBrains Mono', 'Fira Code', monospace; 
  font-size: var(--text-xs); 
  letter-spacing: .8px; 
  transition: all var(--transition-fast);
}
.addr-input:focus { 
  outline: none; 
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(var(--accent-color-rgb),.2); 
}
.copy-btn { 
  background: linear-gradient(135deg, #373f48, #3e4650); 
  border: 1px solid rgba(255,255,255,.18); 
  color: #fff; 
  width: 48px; 
  height: 48px; 
  border-radius: var(--radius-lg); 
  cursor: pointer; 
  font-size: var(--text-lg); 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  transition: all var(--transition-fast);
}
.copy-btn:hover { 
  background: linear-gradient(135deg, #414b55, #485159); 
  transform: translateY(-1px);
}
.copy-btn:active { 
  background: linear-gradient(135deg, #2e353c, #343b42); 
  transform: translateY(0);
}
.guide-btn { background:var(--accent-gradient); border:none; color:#fff; padding:12px 14px; border-radius:10px; font-size:13px; font-weight:600; cursor:pointer; letter-spacing:.3px; box-shadow:var(--shadow-sm); }
.guide-btn:hover { filter:brightness(1.06); }
.guide-btn:active { filter:brightness(.92); }
.last-tx { font-size:12px; color:var(--secondary-text); margin-top:4px; }
.copy-flash { animation:flashCopy .9s ease; }
@keyframes flashCopy { 0% { box-shadow:0 0 0 0 rgba(var(--accent-color-rgb)/.8);} 60% { box-shadow:0 0 0 6px rgba(var(--accent-color-rgb)/0);} 100% { box-shadow:none;} }

.btn-secondary { background:#333b45; border:1px solid rgba(255,255,255,.12); padding:10px 16px; border-radius:14px; color:var(--primary-text); font-weight:500; cursor:pointer; box-shadow:var(--shadow-sm); }
.btn-secondary:hover:not(:disabled) { background:#3a444f; }
.btn-secondary:active:not(:disabled) { background:#2c333a; }
.btn-secondary:disabled { opacity:.4; cursor:not-allowed; }

.checkout-btn { 
  background: linear-gradient(135deg, #4ade80, #22c55e); 
  border: 1px solid #16a34a; 
  color: #fff; 
  padding: var(--space-4) var(--space-5); 
  border-radius: var(--radius-lg); 
  font-weight: 700; 
  cursor: pointer; 
  letter-spacing: .5px; 
  font-size: var(--text-base);
  box-shadow: var(--shadow-md); 
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}
.checkout-btn:before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.2), transparent 50%);
  opacity: .7;
  pointer-events: none;
}
.checkout-btn:hover:not(:disabled) { 
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  filter: brightness(1.05); 
}
.checkout-btn:active:not(:disabled) { 
  transform: translateY(0px); 
}
.checkout-btn:disabled { 
  opacity: .5; 
  cursor: not-allowed; 
  transform: none;
}

/* Cart */
.cart-container { 
  display: flex; 
  flex-direction: column; 
  gap: var(--space-3); 
  margin-bottom: var(--space-6); 
}
.cart-item { 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  gap: var(--space-4); 
  background: linear-gradient(140deg, rgba(255,255,255,.06), rgba(255,255,255,.02)) var(--card-bg); 
  border: 1px solid rgba(255,255,255,.1); 
  padding: var(--space-3) var(--space-4); 
  border-radius: var(--radius-lg); 
  position: relative; 
  overflow: hidden;
  transition: all var(--transition-base);
  animation: slideInFromBottom .4s ease-out;
  box-shadow: var(--elev-1);
}
.cart-item:before { 
  content: ""; 
  position: absolute; 
  inset: 0; 
  background: radial-gradient(circle at 78% 22%, rgba(var(--accent-color-rgb),.2), transparent 70%); 
  pointer-events: none; 
}
.cart-item:hover {
  transform: translateX(4px);
  border-color: rgba(255,255,255,.15);
  box-shadow: var(--elev-2);
}
.cart-item-title { 
  font-size: var(--text-sm); 
  font-weight: 700; 
  letter-spacing: .2px;
}
.qty-controls { 
  display: flex; 
  align-items: center; 
  gap: var(--space-2); 
}
.qty-btn { 
  background: #333b45; 
  border: 1px solid rgba(255,255,255,.16); 
  color: var(--primary-text); 
  width: 36px; 
  height: 36px; 
  border-radius: var(--radius-md); 
  cursor: pointer; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  font-size: var(--text-lg); 
  font-weight: 700;
  transition: all var(--transition-fast); 
}
.qty-btn:hover { 
  background: #3d4651; 
  transform: scale(1.05);
}
.qty-btn:active { 
  background: #2b3239; 
  transform: scale(.95);
}
.qty { 
  min-width: 24px; 
  text-align: center; 
  font-size: var(--text-sm); 
  font-weight: 600;
}
.remove-btn { 
  background: none; 
  border: none; 
  color: var(--danger); 
  font-size: var(--text-xs); 
  cursor: pointer; 
  text-decoration: underline; 
  text-underline-offset: 2px; 
  font-weight: 600;
  transition: all var(--transition-fast);
}
.remove-btn:hover { 
  color: #ff6b6b;
  transform: scale(1.05);
}

@keyframes slideInFromBottom {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.cart-summary { 
  background: linear-gradient(160deg, rgba(255,255,255,.08), rgba(255,255,255,.03)) var(--card-bg); 
  border: 1px solid rgba(255,255,255,.12); 
  padding: var(--space-5) var(--space-6); 
  border-radius: var(--radius-2xl); 
  position: sticky; 
  bottom: 90px; 
  display: flex; 
  flex-direction: column; 
  gap: var(--space-5); 
  box-shadow: var(--elev-3); 
  backdrop-filter: blur(10px);
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
}
.cart-summary:hover { box-shadow: var(--elev-4); border-color: rgba(255,255,255,.18); }
.cart-total-line { 
  display: flex; 
  justify-content: space-between; 
  font-size: var(--text-lg); 
  font-weight: 700;
  padding: var(--space-2) 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.cart-badge { 
  position: absolute; 
  top: -6px; 
  right: 0px; 
  background: linear-gradient(135deg, var(--danger), #ff6b6b); 
  color: #fff; 
  font-size: var(--text-xs); 
  padding: var(--space-1) var(--space-2); 
  border-radius: 999px; 
  font-weight: 700; 
  line-height: 1; 
  box-shadow: 0 0 0 2px rgba(20,24,30,.9), var(--shadow-sm); 
  animation: popIn .4s cubic-bezier(0.68, -0.55, 0.265, 1.55); 
}
@keyframes popIn { 
  0% { 
    transform: scale(.4) rotate(-10deg); 
    opacity: 0;
  } 
  60% { 
    transform: scale(1.15) rotate(5deg); 
    opacity: 1;
  } 
  100% { 
    transform: scale(1) rotate(0deg);
  } 
}

/* Focus styles (canonical) */
.menu-btn:focus-visible,
.nav-item:focus-visible,
.add-btn:focus-visible,
.qty-btn:focus-visible,
.checkout-btn:focus-visible,
.btn-secondary:focus-visible,
.remove-btn:focus-visible { outline:none; box-shadow: var(--focus-ring); }

/* Global subtle transitions (respect reduced motion) */
* { transition: background-color .25s, color .25s, border-color .25s; }
@media (prefers-reduced-motion: reduce) {
  .view { animation:none; }
  * { transition:none !important; }
}

/* End of canonical stylesheet */

/* ==========================================================
   Custom In-App Alert Modal (replaces native alert)
   ========================================================== */
.app-alert.hidden { display:none; }
.app-alert { position:fixed; inset:0; display:flex; align-items:center; justify-content:center; background:rgba(0,0,0,.55); backdrop-filter:blur(6px); z-index:999; padding:24px; }
.app-alert__panel { background:linear-gradient(140deg, rgba(255,255,255,.06), rgba(255,255,255,.02)) var(--card-bg); border:1px solid rgba(255,255,255,.12); width:min(360px,100%); padding:22px 22px 20px; border-radius:22px; box-shadow:var(--shadow-lg); display:flex; flex-direction:column; gap:14px; position:relative; }
.app-alert__title { font-size:16px; font-weight:600; letter-spacing:.4px; }
.app-alert__msg { font-size:14px; line-height:1.45; color:var(--secondary-text); white-space:pre-wrap; }
.app-alert__ok { align-self:flex-end; background:var(--accent-gradient); color:#fff; border:none; padding:10px 18px; border-radius:14px; font-size:14px; font-weight:600; cursor:pointer; box-shadow:var(--shadow-sm); letter-spacing:.4px; }
.app-alert__ok:hover { filter:brightness(1.07); }
.app-alert__ok:active { transform:translateY(1px); }
.app-alert__ok:focus-visible { outline:none; box-shadow:var(--focus-ring); }

/* Confirm dialog (shares aesthetic) */
.app-confirm.hidden { display:none; }
.app-confirm { position:fixed; inset:0; display:flex; align-items:center; justify-content:center; background:rgba(0,0,0,.55); backdrop-filter:blur(6px); z-index:1000; padding:24px; }
.app-confirm__panel { background:linear-gradient(140deg, rgba(255,255,255,.06), rgba(255,255,255,.02)) var(--card-bg); border:1px solid rgba(255,255,255,.12); width:min(420px,100%); padding:24px 24px 22px; border-radius:24px; box-shadow:var(--shadow-lg); display:flex; flex-direction:column; gap:18px; }
.app-confirm__title { font-size:17px; font-weight:600; letter-spacing:.4px; }
.app-confirm__msg { font-size:14px; line-height:1.45; color:var(--secondary-text); max-height:300px; overflow:auto; }
.app-confirm__actions { display:flex; justify-content:flex-end; gap:12px; }
.app-confirm__yes { background:var(--accent-gradient); color:#fff; border:none; padding:10px 18px; border-radius:14px; font-size:14px; font-weight:600; cursor:pointer; box-shadow:var(--shadow-sm); letter-spacing:.4px; }
.app-confirm__yes:hover { filter:brightness(1.07); }
.app-confirm__yes:active { transform:translateY(1px); }
.app-confirm__yes:focus-visible { outline:none; box-shadow:var(--focus-ring); }
.app-confirm__cancel { font-size:14px; }

.order-id-chip { display:inline-flex; align-items:center; gap:6px; background:#2d333b; padding:6px 10px; border:1px solid rgba(255,255,255,.12); border-radius:16px; font-size:12px; font-weight:500; letter-spacing:.3px; }

/* ==========================================================
   Added Enhancements (Light Theme, Toggle, Animations, etc.)
   ========================================================== */

/* Light theme palette (body[data-theme='light']) */
body[data-theme="light"] {
  --bg-color: #f8fafc;
  --primary-text: #0f172a;
  --secondary-text: #475569;
  --tertiary-text: #64748b;
  --accent-color: #d97706;
  --accent-color-rgb: 217 119 6;
  --accent-gradient: linear-gradient(135deg, #f59e0b, #d97706 55%, #b45309);
  --border-color: #e2e8f0;
  --card-bg: #ffffff;
  --icon-color: #64748b;
  --active-icon-color: #0f172a;
  --gradient-bg: radial-gradient(circle at 25% 15%, #ffffff, transparent 60%),
                  radial-gradient(circle at 85% 75%, #f1f5f9, transparent 55%),
                  linear-gradient(140deg, #f8fafc, #e2e8f0);
  --glow-color: rgba(217,119,6,.35);
  --success: #059669;
  --danger: #dc2626;
  --warning: #d97706;
  --info: #0284c7;
  color-scheme: light;
}
body[data-theme="light"] { 
  background: var(--gradient-bg); 
}

/* Enhanced theme toggle button */
.theme-toggle { 
  background: linear-gradient(140deg, rgba(255,255,255,.15), rgba(255,255,255,.08)); 
  border: 1px solid rgba(255,255,255,.2); 
  width: 52px; 
  height: 52px; 
  border-radius: var(--radius-lg); 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  cursor: pointer; 
  position: relative; 
  color: #ffd66b; 
  box-shadow: var(--shadow-sm); 
  transition: all var(--transition-fast);
}
.theme-toggle:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}
.theme-toggle i { 
  position: absolute; 
  font-size: var(--text-xl); 
  transition: all var(--transition-base); 
}
body:not([data-theme="light"]) .theme-toggle [data-icon-light] { 
  opacity: 0; 
  transform: scale(.6) rotate(-30deg); 
}
body:not([data-theme="light"]) .theme-toggle [data-icon-dark] { 
  opacity: 1; 
  transform: scale(1); 
}
body[data-theme="light"] .theme-toggle { 
  color: #d97706; 
  border-color: #e2e8f0; 
  background: linear-gradient(140deg, #ffffff, #f8fafc); 
}
body[data-theme="light"] .theme-toggle [data-icon-dark] { 
  opacity: 0; 
  transform: scale(.6) rotate(30deg); 
}
body[data-theme="light"] .theme-toggle [data-icon-light] { 
  opacity: 1; 
  transform: scale(1); 
}
.theme-toggle:focus-visible { 
  outline: none; 
  box-shadow: var(--focus-ring); 
}

/* Light theme adaptations with improved contrast */
body[data-theme="light"] .header:after { 
  background: linear-gradient(90deg, transparent, #cbd5e1 40%, #cbd5e1 60%, transparent); 
  opacity: .8; 
}
body[data-theme="light"] .premium-products { 
  border-color: #e2e8f0; 
  background: linear-gradient(135deg, #ffffff, #f8fafc); 
  box-shadow: 0 4px 6px -1px rgba(0,0,0,.1);
}
body[data-theme="light"] .balance-panel { 
  border-color: #e2e8f0; 
  background: linear-gradient(135deg, #ffffff, #f8fafc); 
  box-shadow: 0 4px 6px -1px rgba(0,0,0,.1);
}
body[data-theme="light"] .address-block { 
  border-color: #e2e8f0; 
  background: linear-gradient(140deg, #ffffff, #f8fafc); 
}
body[data-theme="light"] .addr-input { 
  background: linear-gradient(135deg, #f1f5f9, #e2e8f0); 
  border-color: #cbd5e1; 
  color: #0f172a; 
}
body[data-theme="light"] .product-card { 
  border-color: #e2e8f0; 
  background: linear-gradient(155deg, #ffffff, #f8fafc); 
  box-shadow: 0 2px 4px rgba(0,0,0,.05);
}
body[data-theme="light"] .product-card:hover { 
  border-color: #cbd5e1; 
  box-shadow: 0 8px 25px -5px rgba(0,0,0,.1);
}
body[data-theme="light"] .bottom-nav { 
  background: rgba(255,255,255,.9); 
  border-top: 1px solid #e2e8f0; 
  box-shadow: 0 -4px 20px -4px rgba(0,0,0,.1); 
}
body[data-theme="light"] .nav-item.active { 
  background: linear-gradient(140deg, #f1f5f9, #e2e8f0); 
  box-shadow: inset 0 0 0 1px #cbd5e1, 0 2px 4px rgba(0,0,0,.05); 
}
body[data-theme="light"] .cart-item { 
  border-color: #e2e8f0; 
  background: linear-gradient(140deg, #ffffff, #f8fafc); 
}
body[data-theme="light"] .cart-summary { 
  border-color: #e2e8f0; 
  background: linear-gradient(160deg, #ffffff, #f8fafc); 
  box-shadow: 0 8px 25px -5px rgba(0,0,0,.1);
}
body[data-theme="light"] .app-alert__panel, 
body[data-theme="light"] .app-confirm__panel { 
  border-color: #e2e8f0; 
  background: linear-gradient(140deg, #ffffff, #f8fafc); 
  box-shadow: 0 20px 25px -5px rgba(0,0,0,.1);
}
body[data-theme="light"] .city-btn { 
  background: linear-gradient(135deg, #f1f5f9, #e2e8f0); 
  border-color: #cbd5e1; 
  color: #475569; 
}
body[data-theme="light"] .city-btn:hover:not(.active):not(:disabled) { 
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1); 
  color: #334155; 
}
body[data-theme="light"] .city-btn.active { 
  border-color: rgba(217,119,6,.3); 
  box-shadow: 0 4px 12px -2px rgba(217,119,6,.2);
}
body[data-theme="light"] .qty-btn { 
  background: linear-gradient(135deg, #f1f5f9, #e2e8f0); 
  border-color: #cbd5e1; 
  color: #0f172a; 
}
body[data-theme="light"] .qty-btn:hover { 
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1); 
}
body[data-theme="light"] .qty-btn:active { 
  background: linear-gradient(135deg, #cbd5e1, #94a3b8); 
}
body[data-theme="light"] .btn-secondary { 
  background: linear-gradient(135deg, #f1f5f9, #e2e8f0); 
  border-color: #cbd5e1; 
  color: #0f172a; 
}
body[data-theme="light"] .btn-secondary:hover { 
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1); 
}
body[data-theme="light"] .btn-secondary:active { 
  background: linear-gradient(135deg, #cbd5e1, #94a3b8); 
}

/* Product card entrance animation (applied after load) */
.product-card { opacity:0; transform:translateY(6px) scale(.985); animation:cardIn .5s var(--transition-base) forwards; }
.product-card:nth-of-type(2) { animation-delay:.04s; }
.product-card:nth-of-type(3) { animation-delay:.07s; }
.product-card:nth-of-type(4) { animation-delay:.10s; }
@keyframes cardIn { to { opacity:1; transform:translateY(0) scale(1);} }

/* Ripple effect utility */
.ripple { position:relative; overflow:hidden; }
.ripple:after { content:""; position:absolute; left:50%; top:50%; width:0; height:0; background:rgba(255,255,255,.35); border-radius:50%; transform:translate(-50%,-50%); opacity:0; pointer-events:none; }
.ripple:active:after { animation:ripple .55s ease; }
@keyframes ripple { 0% { width:0; height:0; opacity:.45;} 60% { width:170%; height:170%; opacity:.18;} 100% { width:200%; height:200%; opacity:0;} }

/* Skeleton loader for products */
.skeleton-card { display:flex; flex-direction:column; gap:10px; padding:16px 16px 16px; border-radius:22px; background:linear-gradient(155deg, rgba(255,255,255,.05), rgba(255,255,255,.015)) var(--card-bg); border:1px solid rgba(255,255,255,.07); position:relative; overflow:hidden; min-height:178px; }
.skeleton-card .skel { border-radius:8px; background:linear-gradient(90deg, rgba(255,255,255,.05) 25%, rgba(255,255,255,.12) 37%, rgba(255,255,255,.05) 63%); background-size:400% 100%; animation:skel 1.2s ease-in-out infinite; }
.skel-title { height:18px; width:70%; }
.skel-price { height:14px; width:40%; }
.skel-meta { height:12px; width:55%; }
.skel-btn { margin-top:auto; height:42px; border-radius:14px; }
@keyframes skel { 0% { background-position:100% 0;} 100% { background-position:0 0;} }
body[data-theme="light"] .skeleton-card { border-color:#e4e9ef; background:linear-gradient(155deg,#ffffff,#f3f6f9); }
body[data-theme="light"] .skeleton-card .skel { background:linear-gradient(90deg,#e0e6ed 25%,#f3f6fa 37%,#e0e6ed 63%); }

/* Responsive improvements */
@media (min-width: 480px) { 
  .product-grid { 
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); 
  }
  
  #app {
    padding: 0 var(--space-6);
  }
  
  .header {
    padding: var(--space-6) var(--space-2) var(--space-5);
  }
}

@media (min-width: 768px) {
  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-5);
  }
  
  .city-selector {
    justify-content: center;
  }
  
  .bottom-nav {
    max-width: 480px;
  }
}

/* Touch improvements for mobile */
@media (pointer: coarse) {
  .nav-item {
    padding: var(--space-2) var(--space-4);
  }
  
  .qty-btn {
    width: 44px;
    height: 44px;
  }
  
  .copy-btn {
    width: 52px;
    height: 52px;
  }
}

/* Dark mode improvements for OLED screens */
@media (prefers-contrast: more) {
  :root {
    --bg-color: #000000;
    --card-bg: #111111;
  }
}

/* Wallet (enhanced professional layout) */
.balance-panel-grid { display:grid; gap: var(--space-6); }
@media (min-width:560px){
  .balance-panel-grid { grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); }
}
.balance-metrics, .payment-support, .wallet-address-card { 
  background: linear-gradient(140deg, rgba(255,255,255,.07), rgba(255,255,255,.025)) var(--card-bg);
  border:1px solid rgba(255,255,255,.12);
  padding: var(--space-5) var(--space-5) var(--space-6);
  border-radius: var(--radius-xl);
  position:relative;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  gap: var(--space-4);
  box-shadow: var(--shadow-sm);
}
body[data-theme="light"] .balance-metrics,
body[data-theme="light"] .payment-support,
body[data-theme="light"] .wallet-address-card { border-color:#e2e8f0; background:linear-gradient(140deg,#ffffff,#f8fafc); }
.balance-metrics:before, .payment-support:before, .wallet-address-card:before { content:""; position:absolute; inset:0; background:radial-gradient(circle at 85% 15%, rgba(var(--accent-color-rgb),.18), transparent 70%); pointer-events:none; }
.balance-actions { display:flex; align-items:center; gap: var(--space-2); }
.balance-amount-wrap { display:flex; flex-direction:column; gap: var(--space-2); }
.balance-meta-row { display:flex; justify-content:space-between; align-items:center; }
.onchain-note { margin-top: -4px; line-height:1.5; }
.wallet-address-card .addr-hint { line-height:1.5; color: var(--secondary-text); }
.address-qr-placeholder { margin-top:-4px; padding: 10px 12px; border:1px dashed rgba(255,255,255,.25); border-radius: var(--radius-md); font-style:italic; text-align:center; }
body[data-theme="light"] .address-qr-placeholder { border-color:#cbd5e1; }
.address-qr { margin-top:4px; width:164px; height:164px; background:linear-gradient(135deg,#222831,#1b2027); border:1px solid rgba(255,255,255,.15); border-radius:16px; display:flex; align-items:center; justify-content:center; padding:8px; box-shadow:var(--shadow-sm); }
.address-qr canvas { width:100% !important; height:100% !important; image-rendering:pixelated; }
body[data-theme="light"] .address-qr { background:linear-gradient(135deg,#f1f5f9,#e2e8f0); border-color:#cbd5e1; }

/* Balance change animation */
.balance-amount-large span#currentBalance.balance-pulse { animation: balancePulse .9s ease; }
@keyframes balancePulse { 0%{ filter:brightness(1); transform:scale(1);} 40%{ filter:brightness(1.35); transform:scale(1.06);} 100%{ filter:brightness(1); transform:scale(1);} }

/* New wallet functional elements styles */
.fund-btn { background:linear-gradient(135deg,#2563eb,#1d4ed8); color:#fff; border:1px solid rgba(255,255,255,.18); padding:8px 14px; border-radius:var(--radius-md); font-size:12px; font-weight:600; letter-spacing:.4px; cursor:pointer; box-shadow:var(--shadow-sm); transition:all var(--transition-fast); }
.fund-btn:hover { filter:brightness(1.08); transform:translateY(-1px); }
.fund-btn:active { filter:brightness(.92); transform:translateY(0); }
body[data-theme="light"] .fund-btn { border-color:#cbd5e1; }

.wallet-activity-card { background:linear-gradient(140deg, rgba(255,255,255,.07), rgba(255,255,255,.025)) var(--card-bg); border:1px solid rgba(255,255,255,.12); padding: var(--space-5) var(--space-5) var(--space-6); border-radius: var(--radius-xl); display:flex; flex-direction:column; gap: var(--space-4); position:relative; overflow:hidden; }
body[data-theme="light"] .wallet-activity-card { border-color:#e2e8f0; background:linear-gradient(140deg,#ffffff,#f8fafc); }
.activity-header { display:flex; justify-content:space-between; align-items:center; }
.activity-title { font-weight:700; letter-spacing:.4px; text-transform:uppercase; color:var(--secondary-text); }
.btn-link { background:none; border:none; color:var(--tertiary-text); cursor:pointer; font-weight:600; text-decoration:underline; text-underline-offset:2px; padding:4px 6px; border-radius:6px; }
.btn-link:hover { color:var(--primary-text); }
.tx-list { list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; max-height:180px; overflow:auto; }
.tx-item { display:flex; justify-content:space-between; gap:12px; align-items:flex-start; background:linear-gradient(135deg, rgba(255,255,255,.06), rgba(255,255,255,.02)); border:1px solid rgba(255,255,255,.08); padding:10px 14px; border-radius:14px; font-size:12px; position:relative; }
.tx-item:before { content:""; position:absolute; inset:0; background:radial-gradient(circle at 85% 20%, rgba(var(--accent-color-rgb),.15), transparent 70%); pointer-events:none; }
.tx-left { display:flex; flex-direction:column; gap:4px; }
.tx-amount { font-weight:700; letter-spacing:.3px; }
.tx-amount.deposit { color:var(--success); }
.tx-amount.debit { color:var(--danger); }
.tx-meta { font-size:11px; color:var(--secondary-text); display:flex; gap:8px; flex-wrap:wrap; }
.tx-hash { font-family:'JetBrains Mono','Fira Code',monospace; font-size:10px; opacity:.7; }
.tx-type-badge { font-size:10px; background:#374151; padding:2px 6px; border-radius:999px; letter-spacing:.5px; text-transform:uppercase; }
body[data-theme="light"] .tx-type-badge { background:#e2e8f0; color:#334155; }
.tx-empty { text-align:center; }

/* Scrollbar subtle styling */
.tx-list::-webkit-scrollbar { width:6px; }
.tx-list::-webkit-scrollbar-track { background:transparent; }
.tx-list::-webkit-scrollbar-thumb { background:rgba(255,255,255,.15); border-radius:20px; }
body[data-theme="light"] .tx-list::-webkit-scrollbar-thumb { background:#cbd5e1; }

/* QR refresh button */
.qr-actions-row { margin-top:6px; display:flex; justify-content:flex-end; }
.qr-refresh-btn { background:linear-gradient(135deg,#2d333b,#343b44); border:1px solid rgba(255,255,255,.15); color:var(--secondary-text); padding:4px 10px; border-radius:8px; cursor:pointer; font-size:11px; letter-spacing:.5px; font-weight:600; transition:all var(--transition-fast); }
.qr-refresh-btn:hover { color:var(--primary-text); transform:translateY(-1px); }
.qr-refresh-btn:active { transform:translateY(0); }
body[data-theme='light'] .qr-refresh-btn { background:linear-gradient(135deg,#f1f5f9,#e2e8f0); border-color:#cbd5e1; color:#64748b; }
body[data-theme='light'] .qr-refresh-btn:hover { color:#0f172a; }

/* QR loading spinner */
.qr-loading { display:flex; flex-direction:column; align-items:center; justify-content:center; gap:6px; }
.qr-loading .spinner { width:32px; height:32px; border:3px solid rgba(255,255,255,.15); border-top-color:var(--accent-color); border-radius:50%; animation:spin 1s linear infinite; }
body[data-theme='light'] .qr-loading .spinner { border:3px solid rgba(0,0,0,.12); border-top-color:var(--accent-color); }
.qr-loading span { font-size:10px; letter-spacing:.5px; color:var(--secondary-text); text-transform:uppercase; font-weight:600; }

/* =============================================
   New Enhancements: Search, Toasts, Support Chat
   ============================================= */
/* Product Search */
.product-search { margin: -4px 0 20px; }
.product-search__field { position:relative; display:flex; align-items:center; background:linear-gradient(135deg,#262d34,#22282f); border:1px solid rgba(255,255,255,.14); border-radius:18px; padding:6px 12px 6px 38px; box-shadow:var(--shadow-sm); transition:all var(--transition-fast); }
.product-search__field:focus-within { border-color:var(--accent-color); box-shadow:0 0 0 3px rgba(var(--accent-color-rgb)/.25); }
.product-search__icon { position:absolute; left:14px; font-size:14px; color:var(--tertiary-text); }
.product-search__field input { flex:1; background:transparent; border:none; color:var(--primary-text); font:inherit; font-size:14px; padding:6px 4px; outline:none; }
.product-search__clear { background:none; border:none; color:var(--tertiary-text); width:34px; height:34px; display:flex; align-items:center; justify-content:center; font-size:16px; cursor:pointer; border-radius:50%; transition:all var(--transition-fast); }
.product-search__clear:hover { color:var(--primary-text); background:rgba(255,255,255,.06); }
body[data-theme='light'] .product-search__field { background:linear-gradient(135deg,#f1f5f9,#e2e8f0); border-color:#cbd5e1; }
body[data-theme='light'] .product-search__field:focus-within { box-shadow:0 0 0 3px rgba(217,119,6,.25); }
body[data-theme='light'] .product-search__clear:hover { background:rgba(0,0,0,.06); }

/* Toast Stack */
.toast-stack { position:fixed; bottom:110px; left:50%; transform:translateX(-50%); display:flex; flex-direction:column-reverse; gap:10px; width:min(380px,90%); z-index:200; pointer-events:none; }
.toast { background:linear-gradient(140deg,rgba(255,255,255,.08),rgba(255,255,255,.03)) var(--card-bg); border:1px solid rgba(255,255,255,.14); padding:12px 16px 12px 46px; border-radius:18px; color:var(--primary-text); font-size:13px; line-height:1.4; position:relative; box-shadow:var(--shadow-md); animation:toastIn .5s cubic-bezier(.4,.1,.2,1); pointer-events:auto; overflow:hidden; }
.toast:before { content:""; position:absolute; left:14px; top:50%; width:18px; height:18px; transform:translateY(-50%); border-radius:6px; background:var(--accent-gradient); box-shadow:0 0 0 1px rgba(0,0,0,.4),0 4px 8px -2px rgba(0,0,0,.5); }
.toast-success:before { background:linear-gradient(135deg,#16a34a,#22c55e); }
.toast-error:before { background:linear-gradient(135deg,#ef4444,#dc2626); }
.toast-exit { animation:toastOut .45s ease forwards; }
@keyframes toastIn { from { opacity:0; transform:translate(-50%,14px); } to { opacity:1; transform:translate(-50%,0); } }
@keyframes toastOut { to { opacity:0; transform:translate(-50%,8px); } }
body[data-theme='light'] .toast { background:linear-gradient(140deg,#ffffff,#f8fafc); border-color:#e2e8f0; }

/* Support FAB */
.support-fab { position:fixed; bottom:62px; right:18px; width:58px; height:58px; border-radius:50%; background:var(--accent-gradient); color:#fff; border:none; display:flex; align-items:center; justify-content:center; font-size:24px; box-shadow:0 8px 20px -4px rgba(0,0,0,.5),0 0 0 1px rgba(255,255,255,.12); cursor:pointer; z-index:120; transition:all var(--transition-base); }
.support-fab:hover { transform:translateY(-3px) scale(1.05); filter:brightness(1.08); }
.support-fab:active { transform:translateY(0) scale(.96); }
body[data-theme='light'] .support-fab { box-shadow:0 8px 16px -4px rgba(0,0,0,.25),0 0 0 1px #e2e8f0; }

/* Support Panel */
.support-panel { position:fixed; bottom:132px; right:14px; width:320px; max-height:480px; background:linear-gradient(140deg,rgba(255,255,255,.1),rgba(255,255,255,.03)) var(--card-bg); border:1px solid rgba(255,255,255,.16); border-radius:22px; display:flex; flex-direction:column; box-shadow:0 18px 40px -6px rgba(0,0,0,.55); overflow:hidden; animation:panelPop .45s cubic-bezier(.4,.1,.2,1); backdrop-filter:blur(16px); z-index:130; }
/* Support panel refined (visual polish only - no structural change) */
.support-panel { position:fixed; bottom:132px; right:14px; width:320px; max-height:520px; /* allow a little more vertical space */
  background:
    linear-gradient(170deg, rgba(255,255,255,.18), rgba(255,255,255,.04) 55%) var(--card-bg);
  border:1px solid rgba(255,255,255,.18);
  border-radius:24px;
  display:flex; flex-direction:column; overflow:hidden;
  box-shadow:0 22px 50px -8px rgba(0,0,0,.65), 0 0 0 1px rgba(255,255,255,.08);
  animation:panelPop .5s cubic-bezier(.4,.1,.2,1);
  backdrop-filter:blur(22px) saturate(180%);
  -webkit-backdrop-filter:blur(22px) saturate(180%);
}
.support-panel:before, .support-panel:after { content:""; position:absolute; inset:0; pointer-events:none; }
.support-panel:before { background:radial-gradient(circle at 85% 20%, rgba(var(--accent-color-rgb),.18), transparent 65%); mix-blend-mode:overlay; }
.support-panel:after { background:linear-gradient(180deg, rgba(0,0,0,.25), transparent 30%, transparent 70%, rgba(0,0,0,.35)); opacity:.25; }
@keyframes panelPop { from { opacity:0; transform:translateY(14px) scale(.96); } to { opacity:1; transform:translateY(0) scale(1); } }
.support-panel[hidden] { display:none !important; }
.support-panel__header { display:flex; align-items:center; justify-content:space-between; padding:16px 20px 14px; border-bottom:1px solid rgba(255,255,255,.12); position:relative; }
.support-panel__header:after { content:""; position:absolute; left:18px; right:18px; bottom:0; height:1px; background:linear-gradient(90deg, transparent, rgba(255,255,255,.25) 40%, rgba(255,255,255,.25) 60%, transparent); opacity:.35; }
.support-panel__header h2 { font-size:15px; letter-spacing:.5px; font-weight:700; text-transform:uppercase; background:linear-gradient(135deg,var(--primary-text), var(--secondary-text)); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.support-close { background:none; border:none; color:var(--tertiary-text); font-size:20px; cursor:pointer; display:flex; align-items:center; justify-content:center; width:36px; height:36px; border-radius:12px; }
.support-close:hover { background:rgba(255,255,255,.08); color:var(--primary-text); }
.support-messages { flex:1; overflow:auto; padding:16px 18px 14px; display:flex; flex-direction:column; gap:12px; font-size:13px; position:relative; }
/* Scroll fade masks (purely cosmetic) */
.support-messages:before, .support-messages:after { content:""; position:sticky; left:0; right:0; height:28px; pointer-events:none; z-index:5; }
.support-messages:before { top:0; margin:-16px -18px 0; background:linear-gradient(to bottom, rgba(0,0,0,.5), transparent); border-top-left-radius:inherit; border-top-right-radius:inherit; }
.support-messages:after { bottom:0; margin:0 -18px -14px; background:linear-gradient(to top, rgba(0,0,0,.55), transparent); border-bottom-left-radius:inherit; border-bottom-right-radius:inherit; }
body[data-theme='light'] .support-messages:before { background:linear-gradient(to bottom, rgba(255,255,255,.85), rgba(255,255,255,0)); }
body[data-theme='light'] .support-messages:after { background:linear-gradient(to top, rgba(255,255,255,.9), rgba(255,255,255,0)); }
/* Message bubbles refined */
.support-msg { background:linear-gradient(135deg,#2e353d,#252c33); padding:10px 14px 11px; border-radius:18px 18px 18px 6px; max-width:84%; line-height:1.45; position:relative; animation:msgIn .4s cubic-bezier(.4,.1,.2,1); box-shadow:0 4px 10px -2px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.05); font-weight:500; letter-spacing:.2px; }
.support-msg:before { content:""; position:absolute; left:-6px; bottom:6px; width:12px; height:12px; background:inherit; border-bottom-right-radius:10px; transform:skewX(-18deg); filter:brightness(.9); box-shadow:inherit; clip-path:polygon(0 0,100% 0,60% 100%,0 100%); }
.support-msg.me { align-self:flex-end; background:linear-gradient(135deg,#2563eb,#1d4ed8); border-radius:18px 18px 6px 18px; box-shadow:0 4px 12px -2px rgba(0,40,120,.55), 0 0 0 1px rgba(255,255,255,.08); }
.support-msg.me:before { left:auto; right:-6px; background:inherit; border-bottom-left-radius:10px; transform:skewX(18deg); clip-path:polygon(40% 0,100% 0,100% 100%,0 100%); }
.support-msg:after { content:""; position:absolute; inset:0; background:radial-gradient(circle at 85% 20%, rgba(255,255,255,.12), transparent 60%); opacity:.25; pointer-events:none; border-radius:inherit; }
body[data-theme='light'] .support-msg { background:linear-gradient(135deg,#f1f5f9,#e2e8f0); box-shadow:0 4px 10px -2px rgba(0,0,0,.15), 0 0 0 1px #dfe5ec; }
body[data-theme='light'] .support-msg.me { background:linear-gradient(135deg,#3b82f6,#2563eb); box-shadow:0 4px 14px -2px rgba(0,0,0,.25), 0 0 0 1px rgba(255,255,255,.25); }
@keyframes msgIn { from { opacity:0; transform:translateY(6px) scale(.97); } to { opacity:1; transform:translateY(0) scale(1); } }
.support-form { display:flex; align-items:center; gap:12px; padding:12px 14px 14px; border-top:1px solid rgba(255,255,255,.12); background:linear-gradient(135deg, rgba(255,255,255,.05), rgba(255,255,255,.015)); }
.support-form input { flex:1; background:linear-gradient(135deg,#21272e,#1b2127); border:1px solid rgba(255,255,255,.22); border-radius:16px; padding:12px 14px; color:var(--primary-text); font-size:13px; outline:none; font-weight:500; letter-spacing:.3px; transition:all var(--transition-fast); }
.support-form input:focus { border-color:var(--accent-color); box-shadow:0 0 0 2px rgba(var(--accent-color-rgb)/.4), 0 0 0 4px rgba(var(--accent-color-rgb)/.25); background:linear-gradient(135deg,#262e36,#20282f); }
body[data-theme='light'] .support-form { background:linear-gradient(135deg,#ffffff,#f1f5f9); }
body[data-theme='light'] .support-form input { background:linear-gradient(135deg,#f1f5f9,#e2e8f0); border-color:#cbd5e1; }
body[data-theme='light'] .support-form input:focus { box-shadow:0 0 0 2px rgba(217,119,6,.35), 0 0 0 4px rgba(217,119,6,.22); }
.support-send { background:var(--accent-gradient); border:none; width:48px; height:48px; display:flex; align-items:center; justify-content:center; border-radius:16px; color:#fff; font-size:18px; cursor:pointer; box-shadow:0 6px 18px -4px rgba(var(--accent-color-rgb)/.5), var(--shadow-sm); position:relative; transition:all var(--transition-fast); }
.support-send:before { content:""; position:absolute; inset:0; background:linear-gradient(125deg, rgba(255,255,255,.35), transparent 55%); mix-blend-mode:overlay; opacity:.8; border-radius:inherit; }
.support-send:hover { filter:brightness(1.08); transform:translateY(-2px); box-shadow:0 10px 26px -6px rgba(var(--accent-color-rgb)/.65); }
.support-send:active { filter:brightness(.94); transform:translateY(0); }
.support-send:focus-visible { outline:none; box-shadow:var(--focus-ring); }
body[data-theme='light'] .support-panel { background:linear-gradient(140deg,#ffffff,#f8fafc); border-color:#e2e8f0; box-shadow:0 20px 40px -8px rgba(0,0,0,.15); }
body[data-theme='light'] .support-form input { background:linear-gradient(135deg,#f1f5f9,#e2e8f0); border-color:#cbd5e1; color:#0f172a; }
body[data-theme='light'] .support-msg a { color:#1d4ed8; }
body:not([data-theme='light']) .support-msg a { color:#60a5fa; }
/* Link styling inside support messages */
.support-msg a { text-decoration:underline; text-underline-offset:3px; font-weight:600; }
.support-msg a:hover { opacity:.85; }
.support-msg a:focus-visible { outline:2px solid var(--accent-color); outline-offset:2px; border-radius:4px; }

/* Better scrollbar for support messages (already present tweak opacity) */
.support-messages::-webkit-scrollbar-thumb { background:rgba(255,255,255,.22); }
body[data-theme='light'] .support-messages::-webkit-scrollbar-thumb { background:#cbd5e1; }

/* Subtle scale-in for first appearance of panel */
@media (prefers-reduced-motion: reduce) { .support-msg, .support-panel { animation:none !important; } }

/* Scrollbar inside support messages */
.support-messages::-webkit-scrollbar { width:6px; }
.support-messages::-webkit-scrollbar-track { background:transparent; }
.support-messages::-webkit-scrollbar-thumb { background:rgba(255,255,255,.18); border-radius:20px; }
body[data-theme='light'] .support-messages::-webkit-scrollbar-thumb { background:#cbd5e1; }

@media (max-width:480px) {
  .support-panel { right:8px; left:8px; width:auto; bottom:120px; }
  .toast-stack { bottom:108px; }
}