:root {
  --accent: #d34a72;
  --accent-dark: #a8335a;
  --accent-soft: #fbe4ec;
  --ink: var(--tg-theme-text-color, #241a20);
  --ink-soft: #8f8089;
  --bg: var(--tg-theme-bg-color, #fdf9fa);
  --card-bg: var(--tg-theme-secondary-bg-color, #ffffff);
  --border: #f1e2e8;
  --radius: 18px;
  --font-display: "Playfair Display", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.site-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 28px 16px 20px;
  position: sticky;
  top: 0;
  background: linear-gradient(180deg, var(--bg) 70%, transparent);
  z-index: 5;
  text-align: center;
}

.brand {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--accent-dark);
}

.brand-tagline {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.category-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 16px 16px;
  scrollbar-width: none;
}

.category-tabs::-webkit-scrollbar {
  display: none;
}

.category-tab {
  flex: none;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.category-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.catalog {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding: 4px 16px 24px;
}

.catalog > p {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--ink-soft);
  padding: 64px 16px;
  font-size: 15px;
}

.empty-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 72px 16px;
  color: var(--ink-soft);
}

.empty-state .empty-icon {
  font-size: 36px;
  opacity: 0.6;
}

.empty-state .empty-title {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--ink);
}

.empty-state .empty-hint {
  font-size: 13px;
  max-width: 220px;
  text-align: center;
  line-height: 1.5;
}

.skeleton-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card-bg);
  border: 1px solid var(--border);
}

.skeleton-shimmer {
  height: 160px;
  background: linear-gradient(100deg, var(--border) 30%, #faf0f3 50%, var(--border) 70%);
  background-size: 200% 100%;
  animation: shimmer 1.3s ease-in-out infinite;
}

.skeleton-line {
  height: 10px;
  margin: 12px 10px;
  border-radius: 4px;
  background: linear-gradient(100deg, var(--border) 30%, #faf0f3 50%, var(--border) 70%);
  background-size: 200% 100%;
  animation: shimmer 1.3s ease-in-out infinite;
}

.skeleton-line.short {
  width: 40%;
}

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

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.product-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  box-shadow: 0 2px 10px rgba(163, 51, 90, 0.06);
  animation: fade-in-up 0.35s ease both;
}

.product-card:active {
  transform: scale(0.97);
  box-shadow: 0 1px 4px rgba(163, 51, 90, 0.08);
}

.product-card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  display: block;
  background: var(--border);
}

.product-name {
  padding: 12px 12px 0;
  font-weight: 600;
  font-size: 14px;
  line-height: 1.3;
}

.product-price {
  padding: 4px 12px 12px;
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.01em;
}

.detail {
  padding: 20px 16px 32px;
  max-width: 480px;
  margin: 0 auto;
  animation: fade-in-up 0.25s ease both;
}

#back-button {
  background: none;
  border: none;
  color: var(--accent-dark);
  font-size: 15px;
  font-weight: 600;
  padding: 4px 0 16px;
  cursor: pointer;
}

.detail img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--border);
  box-shadow: 0 8px 24px rgba(163, 51, 90, 0.12);
}

.detail h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  margin: 20px 0 4px;
}

.detail > p {
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0 0 10px;
  font-size: 14px;
}

.detail .product-price {
  padding: 0;
  font-size: 22px;
  margin-bottom: 20px;
}

.detail form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.detail input {
  padding: 13px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--ink);
  font-size: 16px;
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.detail input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.payment-note {
  font-size: 13px;
  color: var(--ink-soft);
  margin: 2px 0 0;
}

.detail button[type="submit"] {
  padding: 15px;
  border-radius: 12px;
  border: none;
  background: var(--tg-theme-button-color, var(--accent));
  color: var(--tg-theme-button-text-color, #fff);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: opacity 0.15s ease, transform 0.1s ease;
  margin-top: 6px;
}

.detail button[type="submit"]:active {
  opacity: 0.88;
  transform: scale(0.99);
}

.detail button[type="submit"]:disabled {
  opacity: 0.5;
  cursor: default;
}

#order-result {
  margin-top: 14px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  color: var(--accent-dark);
}

.hidden {
  display: none;
}