@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&family=Comfortaa:wght@400;500;600;700&display=swap');

:root {
  --bg-primary: #0d0d12;
  --bg-secondary: #12121a;
  --bg-card: #1a1a24;
  --bg-card-hover: #222230;
  --bg-input: #1a1a24;
  --bg-glass: rgba(18, 18, 26, 0.9);
  --border: #2a2a3a;
  --border-hover: #3a3a4a;
  --border-accent: #7b54ff;
  --text-primary: #f5f5f7;
  --text-secondary: #a0a0b0;
  --text-muted: #606070;
  --accent: #7b54ff;
  --accent-secondary: #a78bfa;
  --accent-hover: #9472ff;
  --accent-dark: #5a3ae0;
  --accent-glow: rgba(123, 84, 255, 0.25);
  --accent-glow-strong: rgba(123, 84, 255, 0.45);
  --yellow: #a78bfa;
  --success: #4ade80;
  --danger: #ff6b6b;
  --purple: #a78bfa;
  --gradient-purple: linear-gradient(135deg, #7b54ff 0%, #5a3ae0 50%, #a78bfa 100%);
  --gradient-card: linear-gradient(145deg, #1e1e28 0%, #16161e 100%);
  --gradient-hero: linear-gradient(180deg, rgba(123, 84, 255, 0.12) 0%, rgba(167, 139, 250, 0.05) 50%, transparent 100%);
  --gradient-shine: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.5);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.6);
  --shadow-accent: 0 8px 32px rgba(123, 84, 255, 0.25);
  --shadow-accent-lg: 0 12px 48px rgba(123, 84, 255, 0.35);
  --shadow-card: 0 4px 20px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.03);
  --radius: 20px;
  --radius-sm: 14px;
  --radius-xs: 10px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --font-display: 'Comfortaa', 'Nunito', sans-serif;
  --font-body: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html, body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(123, 84, 255, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(167, 139, 250, 0.05), transparent);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: 0.01em;
}

body { padding-bottom: env(safe-area-inset-bottom, 0); }

/* ==================== LOADING SCREEN ==================== */
.loading-screen {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: var(--bg-primary);
  background-image:
    radial-gradient(ellipse 100% 100% at 50% 50%, rgba(123, 84, 255, 0.1), transparent 60%);
  transition: opacity 0.8s ease, visibility 0.8s ease, transform 0.8s ease;
}
.loading-screen.hidden { opacity: 0; visibility: hidden; pointer-events: none; transform: scale(1.1); }

.loading-logo {
  width: 140px; height: 140px; border-radius: 50%; object-fit: cover;
  margin-bottom: 24px;
  border: 3px solid rgba(123, 84, 255, 0.4);
  box-shadow:
    0 0 60px rgba(123, 84, 255, 0.4),
    0 0 120px rgba(167, 139, 250, 0.15),
    inset 0 0 30px rgba(123, 84, 255, 0.1);
  animation: logo-pulse 2s infinite ease-in-out, logo-rotate 20s linear infinite;
}
@keyframes logo-pulse {
  0%, 100% {
    box-shadow: 0 0 40px rgba(123, 84, 255, 0.3), 0 0 80px rgba(167, 139, 250, 0.1), inset 0 0 20px rgba(123, 84, 255, 0.05);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 70px rgba(123, 84, 255, 0.5), 0 0 140px rgba(167, 139, 250, 0.2), inset 0 0 40px rgba(123, 84, 255, 0.1);
    transform: scale(1.03);
  }
}
@keyframes logo-rotate {
  from { filter: hue-rotate(0deg); }
  to { filter: hue-rotate(360deg); }
}

.loading-title {
  font-family: var(--font-display);
  font-size: 36px; font-weight: 700;
  background: var(--gradient-purple);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 6px; margin-bottom: 8px;
  animation: title-glow 2s ease-in-out infinite alternate;
}
@keyframes title-glow {
  from { filter: drop-shadow(0 0 10px rgba(123, 84, 255, 0.5)); }
  to { filter: drop-shadow(0 0 20px rgba(167, 139, 250, 0.5)); }
}
.loading-subtitle {
  font-family: var(--font-display);
  font-size: 13px; color: var(--text-secondary); margin-bottom: 40px;
  letter-spacing: 4px; text-transform: uppercase;
  opacity: 0.8;
}

.loading-bar-container {
  width: 200px; height: 4px;
  background: var(--bg-card); border-radius: 4px;
  overflow: hidden; margin-bottom: 16px;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.3);
}
.loading-bar {
  height: 100%; width: 0%;
  background: var(--gradient-purple); border-radius: 4px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 10px rgba(123, 84, 255, 0.5);
  position: relative;
}
.loading-bar::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.loading-text { font-size: 12px; color: var(--text-muted); letter-spacing: 1px; font-weight: 500; }

/* ==================== APP ==================== */
.app { display: none; min-height: 100vh; }
.app.visible { display: block; }

/* ==================== HEADER ==================== */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 10, 10, 0.88);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  padding: 10px 16px;
}
.header-inner {
  display: flex; align-items: center; gap: 10px;
  max-width: 640px; margin: 0 auto;
}

.header-back {
  display: none; align-items: center; justify-content: center;
  width: 38px; height: 38px; border: none;
  background: var(--bg-card); border-radius: 50%;
  color: var(--text-primary); font-size: 18px;
  cursor: pointer; transition: var(--transition); flex-shrink: 0;
}
.header-back:active { transform: scale(0.88); background: var(--bg-card-hover); }
.header-back.visible { display: flex; }

.header-logo {
  display: flex; align-items: center; gap: 10px; flex-shrink: 0;
}
.header-logo img {
  width: 34px; height: 34px; border-radius: 50%;
  border: 2px solid rgba(123, 84, 255, 0.3);
  box-shadow: 0 0 15px rgba(123, 84, 255, 0.2);
}
.header-logo-text {
  font-family: var(--font-display);
  font-size: 17px; font-weight: 700;
  background: var(--gradient-purple);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
}

.header-title {
  font-size: 16px; font-weight: 700; color: var(--text-primary);
  flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.search-box { flex: 1; position: relative; }
.search-box input {
  width: 100%; padding: 10px 14px 10px 38px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 50px; color: var(--text-primary); font-size: 14px;
  outline: none; transition: var(--transition); font-family: inherit;
}
.search-box input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.search-box input::placeholder { color: var(--text-muted); }
.search-box .search-icon {
  position: absolute; left: 13px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: 14px; pointer-events: none;
}

.header-actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }

.header-btn {
  position: relative; width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 50%; color: var(--text-primary); font-size: 18px;
  cursor: pointer; transition: var(--transition); flex-shrink: 0;
}
.header-btn:active { transform: scale(0.88); }
.header-btn:hover { border-color: var(--border-hover); }

.header-btn .badge {
  position: absolute; top: -3px; right: -3px;
  background: var(--accent); color: #000;
  font-size: 10px; font-weight: 800;
  min-width: 18px; height: 18px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  padding: 0 5px; border: 2px solid var(--bg-primary);
}
.header-btn .badge:empty { display: none; }

/* Lang switcher in header */
.lang-switcher {
  display: flex; align-items: center; gap: 2px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 50px; padding: 2px; flex-shrink: 0;
}
.lang-btn {
  padding: 5px 8px; border: none; background: transparent;
  color: var(--text-muted); font-size: 11px; font-weight: 700;
  border-radius: 50px; cursor: pointer; transition: var(--transition-fast);
  text-transform: uppercase; letter-spacing: 0.5px;
}
.lang-btn.active { background: var(--accent); color: #000; }
.lang-btn:hover:not(.active) { color: var(--text-secondary); }

/* ==================== HERO BANNER ==================== */
.hero-banner {
  background: var(--gradient-hero);
  padding: 24px 16px 12px;
  max-width: 640px; margin: 0 auto;
  position: relative;
  overflow: hidden;
}
.hero-banner::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(123, 84, 255, 0.08) 0%, transparent 50%);
  animation: hero-glow 8s ease-in-out infinite alternate;
}
@keyframes hero-glow {
  0% { transform: translate(0, 0); }
  100% { transform: translate(5%, 5%); }
}
.hero-welcome {
  font-family: var(--font-display);
  font-size: 26px; font-weight: 700; margin-bottom: 6px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 50%, var(--accent-secondary) 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 5s ease infinite;
  position: relative;
}
@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.hero-sub {
  font-size: 13px; color: var(--text-secondary);
  font-weight: 500; letter-spacing: 0.3px;
  position: relative;
}

/* ==================== CATEGORIES ==================== */
.categories-bar {
  padding: 14px 16px; overflow-x: auto;
  display: flex; gap: 10px; scrollbar-width: none;
  max-width: 640px; margin: 0 auto;
}
.categories-bar::-webkit-scrollbar { display: none; }

.category-chip {
  flex-shrink: 0; padding: 10px 20px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 50px; color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 13px; font-weight: 600; cursor: pointer;
  transition: var(--transition-bounce); white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.category-chip::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: var(--gradient-shine);
  transition: left 0.5s ease;
}
.category-chip:hover::before { left: 100%; }
.category-chip:active { transform: scale(0.93); }
.category-chip:hover { border-color: var(--border-hover); color: var(--text-primary); }
.category-chip.active {
  background: var(--gradient-purple); border-color: transparent;
  color: #000; box-shadow: var(--shadow-accent);
  font-weight: 700;
}

/* Filters Section */
.filters-section {
  padding: 0 16px 16px;
  max-width: 640px; margin: 0 auto;
}
.filters-toggle {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 12px;
}
.filters-toggle:hover { border-color: var(--accent); }
.filters-toggle-text {
  font-family: var(--font-display);
  font-size: 14px; font-weight: 600;
  color: var(--text-primary);
  display: flex; align-items: center; gap: 8px;
}
.filters-toggle-icon {
  font-size: 18px;
  transition: var(--transition);
}
.filters-toggle.open .filters-toggle-icon { transform: rotate(180deg); }
.filters-active-count {
  background: var(--accent);
  color: #000;
  font-size: 11px; font-weight: 700;
  padding: 2px 8px;
  border-radius: 50px;
  margin-left: 8px;
}

.filters-panel {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  animation: slideDown 0.3s ease;
}
.filters-panel.open { display: block; }
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.filter-group { margin-bottom: 16px; }
.filter-group:last-child { margin-bottom: 0; }
.filter-label {
  font-family: var(--font-display);
  font-size: 12px; font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
  display: block;
}
.filter-row {
  display: flex; align-items: center; gap: 10px;
}
.filter-input {
  flex: 1;
  padding: 10px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
  text-align: center;
}
.filter-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.filter-input::placeholder { color: var(--text-muted); }
.filter-separator { color: var(--text-muted); font-size: 14px; }

.filter-chips {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.filter-chip {
  padding: 8px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text-secondary);
  font-size: 12px; font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}
.filter-chip:hover { border-color: var(--border-hover); color: var(--text-primary); }
.filter-chip.active {
  background: rgba(123, 84, 255, 0.15);
  border-color: var(--accent);
  color: var(--accent);
}

.filter-actions {
  display: flex; gap: 10px; margin-top: 16px; padding-top: 16px;
  border-top: 1px solid var(--border);
}
.filter-btn {
  flex: 1; padding: 10px 16px;
  border: none; border-radius: var(--radius-xs);
  font-family: var(--font-display);
  font-size: 13px; font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn-apply {
  background: var(--gradient-purple);
  color: #000;
}
.filter-btn-reset {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.filter-btn-reset:hover { color: var(--danger); border-color: var(--danger); }

/* Sort bar */
.sort-bar {
  padding: 0 16px 12px; max-width: 640px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.sort-bar-label { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.sort-select {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xs); color: var(--text-secondary);
  padding: 8px 14px; font-size: 12px; font-family: var(--font-body);
  font-weight: 600; outline: none; cursor: pointer;
  -webkit-appearance: none; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23a0a0b0'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center;
  padding-right: 30px;
  transition: var(--transition);
}
.sort-select:focus { border-color: var(--accent); }

/* ==================== PRODUCT GRID ==================== */
.page-content { max-width: 640px; margin: 0 auto; padding: 0 16px 120px; }

.product-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 14px; padding-bottom: 20px;
}

.product-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition-bounce);
  position: relative;
  box-shadow: var(--shadow-card);
}
.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 100%;
  background: linear-gradient(180deg, rgba(123,84,255,0.05) 0%, transparent 40%);
  opacity: 0;
  transition: var(--transition);
  pointer-events: none;
  z-index: 1;
}
.product-card:hover::before { opacity: 1; }
.product-card:active { transform: scale(0.96); }
.product-card:hover {
  border-color: rgba(123, 84, 255, 0.4);
  box-shadow: var(--shadow-accent), 0 0 0 1px rgba(123, 84, 255, 0.1);
  transform: translateY(-4px);
}

.product-card-image {
  width: 100%; aspect-ratio: 1;
  background: linear-gradient(135deg, #0f0f15, #151520);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; position: relative;
}
.product-card-image::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60%;
  background: linear-gradient(to top, rgba(13, 13, 18, 0.8) 0%, transparent 100%);
  pointer-events: none;
}
.product-card-image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0, 0.2, 1), filter 0.4s ease;
}
.product-card:hover .product-card-image img {
  transform: scale(1.08);
  filter: brightness(1.05);
}

.product-card-image .no-image {
  font-size: 52px; opacity: 0.25;
  filter: grayscale(0.5);
}

.product-card-info { padding: 16px; position: relative; z-index: 2; }
.product-card-name {
  font-family: var(--font-display);
  font-size: 14px; font-weight: 600; color: var(--text-primary);
  margin-bottom: 10px; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  transition: var(--transition-fast);
}
.product-card:hover .product-card-name { color: var(--accent); }

.product-card-price-row {
  display: flex; align-items: baseline; gap: 6px;
  background: rgba(123, 84, 255, 0.08);
  padding: 8px 12px;
  border-radius: var(--radius-xs);
  margin: 0 -4px;
}
.product-card-from { font-size: 11px; color: var(--text-muted); font-weight: 500; }
.product-card-price {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 700;
  background: var(--gradient-purple);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.product-card-currency { font-size: 14px; font-weight: 600; color: var(--accent); opacity: 0.8; }

/* ==================== PRODUCT DETAIL ==================== */
.product-detail { padding-bottom: 140px; }

.product-detail-image {
  width: 100%; aspect-ratio: 1;
  background: linear-gradient(135deg, #0d0d0d, #111);
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; margin: 16px 0;
  position: relative;
}
.product-detail-image img { width: 100%; height: 100%; object-fit: cover; }

.product-detail-header {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px; margin-bottom: 14px;
}
.product-detail-name { font-size: 24px; font-weight: 800; line-height: 1.2; }
.product-detail-price { font-size: 24px; font-weight: 800; color: var(--accent); white-space: nowrap; }
.product-detail-dash { flex: 1; height: 1px; background: linear-gradient(90deg, var(--accent), transparent); min-width: 20px; opacity: 0.4; }

.product-detail-desc {
  font-size: 14px; line-height: 1.7; color: var(--text-secondary);
  margin-bottom: 24px; padding: 16px;
  background: var(--bg-card); border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.section-title {
  font-size: 15px; font-weight: 700; margin-bottom: 12px;
  color: var(--text-primary); display: flex; align-items: center; gap: 8px;
}
.section-title .icon { font-size: 16px; }

.weight-options { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.weight-option {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  background: var(--bg-card); border: 2px solid var(--border);
  border-radius: var(--radius-sm); cursor: pointer; transition: var(--transition);
}
.weight-option:active { transform: scale(0.98); }
.weight-option.selected {
  border-color: var(--accent); background: rgba(255, 140, 0, 0.05);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.weight-option-label { font-size: 15px; font-weight: 600; }
.weight-option-price { font-size: 16px; font-weight: 700; color: var(--accent); }

.quantity-section {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; padding: 14px 18px;
  background: var(--bg-card); border-radius: var(--radius-sm); border: 1px solid var(--border);
}
.quantity-label { font-size: 15px; font-weight: 600; }
.quantity-controls { display: flex; align-items: center; gap: 16px; }
.qty-btn {
  width: 38px; height: 38px; border-radius: 50%;
  border: 2px solid var(--accent); background: transparent;
  color: var(--accent); font-size: 18px; font-weight: 700;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.qty-btn:active { transform: scale(0.88); }
.qty-btn:hover { background: rgba(255, 140, 0, 0.08); }
.qty-value { font-size: 20px; font-weight: 700; min-width: 30px; text-align: center; }

/* Bottom action bar */
.bottom-bar {
  position: fixed; bottom: 0; left: 0; right: 0;
  padding: 14px 16px; padding-bottom: calc(14px + env(safe-area-inset-bottom, 0));
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  z-index: 90;
}
.bottom-bar-inner { max-width: 640px; margin: 0 auto; }

.detail-bottom { display: flex; align-items: center; gap: 14px; }
.detail-total { text-align: right; flex-shrink: 0; }
.detail-total-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.detail-total-price { font-size: 24px; font-weight: 800; color: var(--accent); }

/* ==================== BUTTONS ==================== */
.btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 16px 24px; border: none; border-radius: var(--radius-sm);
  font-family: var(--font-display); font-size: 15px; font-weight: 700;
  cursor: pointer; transition: var(--transition-bounce); position: relative; overflow: hidden;
  letter-spacing: 0.5px;
}
.btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}
.btn:hover::before { left: 100%; }
.btn:active { transform: scale(0.96); }

.btn-primary {
  background: var(--gradient-purple); color: #000;
  box-shadow: var(--shadow-accent);
}
.btn-primary:hover {
  box-shadow: var(--shadow-accent-lg);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent; color: var(--accent);
  border: 2px solid var(--accent);
}
.btn-outline:hover {
  background: rgba(123, 84, 255, 0.1);
  box-shadow: 0 0 20px rgba(123, 84, 255, 0.2);
}

.btn-dark {
  background: var(--bg-card); color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-dark:hover { border-color: var(--border-hover); background: var(--bg-card-hover); }

.btn-success {
  background: linear-gradient(135deg, #4ade80 0%, #22c55e 100%);
  color: #000;
  box-shadow: 0 4px 20px rgba(74, 222, 128, 0.25);
}
.btn-success:hover { box-shadow: 0 8px 30px rgba(74, 222, 128, 0.35); }

.btn-danger {
  background: transparent; color: var(--danger);
  border: 2px solid var(--danger);
}
.btn-danger:hover {
  background: rgba(255, 107, 107, 0.1);
  box-shadow: 0 0 20px rgba(255, 107, 107, 0.2);
}

/* ==================== CART ==================== */
.cart-empty { text-align: center; padding: 80px 20px; }
.cart-empty-icon { font-size: 56px; margin-bottom: 16px; opacity: 0.5; }
.cart-empty-text { font-size: 17px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.cart-empty-sub { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }

.cart-item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; margin-bottom: 10px;
  transition: var(--transition);
}
.cart-item-header { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.cart-item-image {
  width: 56px; height: 56px; border-radius: var(--radius-xs);
  object-fit: cover; background: #0d0d0d; flex-shrink: 0;
}
.cart-item-info { flex: 1; min-width: 0; }
.cart-item-name { font-size: 14px; font-weight: 700; margin-bottom: 2px; }
.cart-item-option { font-size: 12px; color: var(--text-secondary); }
.cart-item-price-label { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

.cart-item-body {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 12px; border-top: 1px solid var(--border);
}
.cart-item-controls { display: flex; align-items: center; gap: 12px; }
.cart-qty-btn {
  width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--bg-secondary);
  color: var(--text-primary); font-size: 16px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: var(--transition-fast);
}
.cart-qty-btn:active { transform: scale(0.88); }
.cart-item-qty { font-size: 16px; font-weight: 700; min-width: 24px; text-align: center; }
.cart-item-line-total { font-size: 18px; font-weight: 800; color: var(--accent); }
.cart-item-delete {
  width: 32px; height: 32px; border: none; background: transparent;
  color: var(--danger); font-size: 18px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition-fast); opacity: 0.6;
}
.cart-item-delete:hover { opacity: 1; }
.cart-item-delete:active { transform: scale(0.88); }

.cart-summary {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; margin-top: 10px;
}
.cart-summary-row {
  display: flex; justify-content: space-between;
  padding: 8px 0; font-size: 14px; color: var(--text-secondary);
}
.cart-summary-row.total {
  border-top: 1px solid var(--border);
  margin-top: 8px; padding-top: 14px;
  font-size: 18px; font-weight: 800; color: var(--text-primary);
}
.cart-summary-row.total span:last-child { color: var(--accent); }

/* ==================== CHECKOUT ==================== */
.checkout-section { margin-bottom: 28px; }
.checkout-section-title {
  font-size: 17px; font-weight: 700; margin-bottom: 14px;
  color: var(--text-primary); display: flex; align-items: center; gap: 8px;
}
.checkout-section-title .icon { font-size: 18px; }

.form-group { margin-bottom: 16px; }
.form-label {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px;
}
.form-label .required { color: var(--accent); margin-left: 2px; }
.form-hint { font-size: 11px; color: var(--text-muted); font-weight: 400; }

.form-input {
  width: 100%; padding: 13px 16px;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-primary);
  font-family: inherit; font-size: 15px; outline: none;
  transition: var(--transition);
}
.form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.form-input::placeholder { color: var(--text-muted); }
textarea.form-input { resize: vertical; min-height: 80px; }

.payment-options { display: flex; flex-direction: column; gap: 8px; }
.payment-option {
  display: flex; align-items: center; gap: 14px;
  padding: 15px 18px; background: var(--bg-card);
  border: 2px solid var(--border); border-radius: var(--radius-sm);
  cursor: pointer; transition: var(--transition);
}
.payment-option:active { transform: scale(0.98); }
.payment-option.selected { border-color: var(--accent); background: rgba(255, 140, 0, 0.04); }
.payment-option-radio {
  width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid var(--border); flex-shrink: 0;
  position: relative; transition: var(--transition);
}
.payment-option.selected .payment-option-radio { border-color: var(--accent); }
.payment-option.selected .payment-option-radio::after {
  content: ''; position: absolute; inset: 3px;
  background: var(--accent); border-radius: 50%;
}
.payment-option-label { font-size: 15px; font-weight: 600; }

.delivery-info {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 18px; background: var(--bg-card);
  border: 1px solid var(--accent); border-radius: var(--radius-sm); margin-bottom: 14px;
}
.delivery-info-icon { font-size: 22px; }
.delivery-info-text { flex: 1; }
.delivery-info-name { font-size: 14px; font-weight: 600; }
.delivery-info-price { font-size: 13px; color: var(--accent); font-weight: 700; }

.checkout-totals { padding: 4px 0; }
.checkout-sum { font-size: 13px; color: var(--text-secondary); margin-bottom: 4px; }
.checkout-total-big { font-size: 22px; font-weight: 800; margin-bottom: 14px; }
.checkout-total-big span { color: var(--accent); }

/* ==================== ORDER SUCCESS ==================== */
.order-success { text-align: center; padding: 40px 16px 24px; }
.order-success-icon { font-size: 64px; margin-bottom: 16px; animation: pop-in 0.5s ease; }
@keyframes pop-in {
  0% { transform: scale(0); opacity: 0; }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}
.order-success-title { font-size: 22px; font-weight: 800; margin-bottom: 6px; }
.order-success-number { font-size: 15px; color: var(--accent); font-weight: 700; margin-bottom: 24px; }

.order-details-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; text-align: left; margin-bottom: 14px;
}
.order-details-section { margin-bottom: 18px; }
.order-details-section:last-child { margin-bottom: 0; }
.order-details-label {
  font-size: 11px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 10px;
}
.order-detail-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 5px 0; font-size: 13px;
}
.order-detail-row .label { color: var(--text-secondary); }
.order-detail-row .value { font-weight: 600; color: var(--text-primary); text-align: right; max-width: 60%; word-break: break-word; }
.order-detail-row.highlight .value { color: var(--accent); font-size: 18px; font-weight: 800; }
.order-buttons { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; }

/* ==================== INFO PAGES ==================== */
.info-page { padding-top: 8px; }
.info-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 12px;
}
.info-card-title {
  font-size: 16px; font-weight: 700; margin-bottom: 10px;
  display: flex; align-items: center; gap: 10px;
  color: var(--accent);
}
.info-card-title .icon { font-size: 20px; }
.info-card-text { font-size: 14px; line-height: 1.7; color: var(--text-secondary); }
.info-card-text p { margin-bottom: 10px; }
.info-card-text p:last-child { margin-bottom: 0; }
.info-card-text strong { color: var(--text-primary); font-weight: 600; }
.info-card-text ul { padding-left: 18px; margin: 8px 0; }
.info-card-text li { margin-bottom: 6px; }

/* ==================== SIDE MENU ==================== */
.menu-overlay {
  position: fixed; inset: 0; background: rgba(0, 0, 0, 0.65);
  z-index: 200; opacity: 0; visibility: hidden; transition: var(--transition);
}
.menu-overlay.open { opacity: 1; visibility: visible; }

.side-menu {
  position: fixed; top: 0; right: -300px; width: 280px; height: 100%;
  background: var(--bg-secondary); z-index: 201;
  transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto; display: flex; flex-direction: column;
  border-left: 1px solid var(--border);
}
.side-menu.open { right: 0; }

.side-menu-header {
  padding: 24px 20px 16px; background: linear-gradient(180deg, rgba(255,140,0,0.06), transparent);
}
.side-menu-brand { font-size: 18px; font-weight: 800; color: var(--accent); letter-spacing: 1px; margin-bottom: 2px; }
.side-menu-title { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

.side-menu-links { padding: 8px 0; flex: 1; }
.side-menu-link {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 20px; color: var(--text-primary);
  font-size: 14px; font-weight: 500; cursor: pointer;
  transition: var(--transition-fast); border-bottom: 1px solid rgba(255,255,255,0.03);
}
.side-menu-link:active { background: rgba(255, 255, 255, 0.03); }
.side-menu-link .link-icon { font-size: 16px; width: 22px; text-align: center; opacity: 0.7; }
.side-menu-link .link-arrow { margin-left: auto; font-size: 14px; color: var(--text-muted); }

.side-menu-footer { padding: 16px 20px; border-top: 1px solid var(--border); }
.side-menu-contact {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px; background: var(--gradient-purple); color: #000;
  border-radius: var(--radius-sm); font-size: 14px; font-weight: 700;
  cursor: pointer; transition: var(--transition);
}
.side-menu-contact:active { transform: scale(0.97); }

/* ==================== TOAST ==================== */
.toast {
  position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--bg-card); color: var(--text-primary);
  border: 1px solid var(--accent); padding: 12px 24px;
  border-radius: 50px; font-size: 14px; font-weight: 600;
  box-shadow: var(--shadow-accent); opacity: 0; visibility: hidden;
  transition: all 0.3s ease; z-index: 300; white-space: nowrap;
}
.toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* ==================== ANIMATIONS ==================== */
.fade-in { animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide-in-right { animation: slideInRight 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

.scale-in { animation: scaleIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.stagger-in { animation: staggerIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) both; }
@keyframes staggerIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Product card stagger animation */
.product-card {
  animation: cardAppear 0.5s cubic-bezier(0.4, 0, 0.2, 1) both;
}
.product-card:nth-child(1) { animation-delay: 0.05s; }
.product-card:nth-child(2) { animation-delay: 0.1s; }
.product-card:nth-child(3) { animation-delay: 0.15s; }
.product-card:nth-child(4) { animation-delay: 0.2s; }
.product-card:nth-child(5) { animation-delay: 0.25s; }
.product-card:nth-child(6) { animation-delay: 0.3s; }
.product-card:nth-child(7) { animation-delay: 0.35s; }
.product-card:nth-child(8) { animation-delay: 0.4s; }

@keyframes cardAppear {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Pulse animation for interactive elements */
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* Float animation */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Glow animation */
@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(123, 84, 255, 0.3); }
  50% { box-shadow: 0 0 40px rgba(123, 84, 255, 0.5); }
}

/* ==================== EMPTY / MISC ==================== */
.empty-state {
  text-align: center; padding: 60px 20px;
  color: var(--text-muted);
  animation: fadeIn 0.5s ease;
}
.empty-state-icon {
  font-size: 56px; margin-bottom: 16px; opacity: 0.3;
  animation: float 3s ease-in-out infinite;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 16px 0;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 380px) {
  .product-grid { gap: 10px; }
  .product-card-info { padding: 12px; }
  .product-card-name { font-size: 13px; }
  .product-card-price { font-size: 18px; }
  .lang-btn { padding: 4px 6px; font-size: 10px; }
  .hero-welcome { font-size: 22px; }
  .filter-row { flex-direction: column; gap: 8px; }
  .filter-input { width: 100%; }
}

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }

/* Selection color */
::selection {
  background: rgba(123, 84, 255, 0.3);
  color: var(--text-primary);
}