/* ── Variables ── */
:root {
  --tg-theme-bg-color: #ffffff;
  --tg-theme-text-color: #1a1a1a;
  --tg-theme-hint-color: #999;
  --tg-theme-link-color: #2481cc;
  --tg-theme-button-color: #1a1a1a;
  --tg-theme-button-text-color: #ffffff;
  --accent: #1a1a1a;
  --accent2: #c9a96e;
  --bg: #f8f8f8;
  --card-bg: #ffffff;
  --border: #e8e8e8;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --header-h: 108px;
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html { font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--tg-theme-text-color, #1a1a1a);
  min-height: 100vh;
  padding-bottom: 24px;
}

/* ── Header ── */
#header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px 8px;
}
.logo { font-size: 18px; font-weight: 700; letter-spacing: .5px; }
.header-actions { display: flex; gap: 8px; }
.icon-btn {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 10px; padding: 6px 10px;
  font-size: 18px; cursor: pointer; position: relative;
}
.badge {
  position: absolute; top: -4px; right: -4px;
  background: #e53935; color: #fff;
  border-radius: 50%; font-size: 11px; font-weight: 700;
  min-width: 18px; height: 18px;
  display: flex; align-items: center; justify-content: center;
  padding: 0 4px;
}

/* ── Tabs ── */
.tabs {
  display: flex; overflow-x: auto; gap: 8px; padding: 0 16px 10px;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  white-space: nowrap; border: 1px solid var(--border);
  background: var(--bg); border-radius: 20px;
  padding: 5px 14px; font-size: 13px; cursor: pointer;
  transition: all .18s;
}
.tab.active {
  background: var(--accent); color: #fff; border-color: var(--accent);
}

/* ── Search ── */
.search-bar {
  position: fixed; top: var(--header-h); left: 0; right: 0; z-index: 99;
  background: var(--bg); padding: 8px 16px;
}
.search-bar input {
  width: 100%; padding: 9px 14px;
  border: 1px solid var(--border); border-radius: 10px;
  background: var(--card-bg); font-size: 14px;
  outline: none;
}
.search-bar input:focus { border-color: var(--accent); }

/* ── Main ── */
main { padding-top: calc(var(--header-h) + 52px); padding-left: 0; padding-right: 0; }
.page { display: none; padding: 16px; }
.page.active { display: block; }
.page.center { text-align: center; padding-top: 48px; }

/* ── Products grid ── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.product-card {
  background: var(--card-bg); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
  cursor: pointer; transition: transform .15s;
}
.product-card:active { transform: scale(.97); }
.product-card img {
  width: 100%; aspect-ratio: 4/5; object-fit: cover; display: block;
}
.product-card .card-body { padding: 10px; }
.product-card .card-name { font-size: 13px; font-weight: 600; margin-bottom: 4px; line-height: 1.3; }
.product-card .card-price { font-size: 15px; font-weight: 700; color: var(--accent); }
.product-card .card-old-price {
  font-size: 12px; color: var(--tg-theme-hint-color);
  text-decoration: line-through; margin-left: 6px;
}
.card-badge {
  position: absolute; top: 8px; left: 8px;
  background: #e53935; color: #fff; font-size: 11px;
  border-radius: 6px; padding: 2px 6px; font-weight: 700;
}
.product-card-wrap { position: relative; }

/* ── Product detail ── */
#product-detail img {
  width: 100%; border-radius: var(--radius); margin-bottom: 16px;
}
.product-title { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.product-price-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.product-price { font-size: 22px; font-weight: 700; }
.product-old-price { font-size: 15px; color: var(--tg-theme-hint-color); text-decoration: line-through; }
.product-desc { font-size: 14px; color: var(--tg-theme-hint-color); line-height: 1.6; margin-bottom: 16px; }
.variant-label { font-size: 13px; font-weight: 600; margin-bottom: 8px; color: var(--tg-theme-hint-color); }
.variant-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.chip {
  padding: 6px 14px; border: 1px solid var(--border); border-radius: 20px;
  font-size: 13px; cursor: pointer; background: var(--bg); transition: all .15s;
}
.chip.selected { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── Cart ── */
.cart-item {
  display: flex; gap: 12px; background: var(--card-bg);
  border-radius: var(--radius); padding: 12px; margin-bottom: 10px;
  box-shadow: var(--shadow);
}
.cart-item img { width: 72px; height: 90px; object-fit: cover; border-radius: 8px; }
.cart-item-info { flex: 1; }
.cart-item-name { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.cart-item-meta { font-size: 12px; color: var(--tg-theme-hint-color); margin-bottom: 8px; }
.cart-item-price { font-size: 15px; font-weight: 700; }
.qty-row { display: flex; align-items: center; gap: 10px; margin-top: 8px; }
.qty-btn {
  width: 28px; height: 28px; border: 1px solid var(--border);
  border-radius: 8px; background: var(--bg); font-size: 16px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.qty-val { font-size: 15px; font-weight: 600; min-width: 20px; text-align: center; }
.cart-remove { margin-left: auto; color: #e53935; font-size: 18px; cursor: pointer; padding: 4px; }

.cart-total {
  font-size: 16px; padding: 14px 0; border-top: 1px solid var(--border);
  margin-bottom: 14px;
}
.cart-total strong { font-size: 20px; }

/* ── Checkout ── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--tg-theme-hint-color); }
.form-group input, .form-group textarea {
  width: 100%; padding: 11px 14px;
  border: 1px solid var(--border); border-radius: 10px;
  font-size: 15px; background: var(--card-bg); outline: none;
  font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); }

.payment-options { display: flex; flex-direction: column; gap: 10px; }
.pay-opt {
  display: flex; align-items: center; gap: 10px;
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 10px; padding: 11px 14px; cursor: pointer;
}
.pay-opt input { accent-color: var(--accent); }

.order-summary {
  background: var(--card-bg); border-radius: var(--radius);
  padding: 14px; margin-bottom: 16px; border: 1px solid var(--border);
}
.order-summary-title { font-weight: 700; margin-bottom: 10px; }
.order-summary-item { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 6px; }
.order-summary-total { display: flex; justify-content: space-between; font-weight: 700; font-size: 15px; margin-top: 10px; border-top: 1px solid var(--border); padding-top: 10px; }

/* ── Buttons ── */
.btn-primary {
  background: var(--accent); color: #fff;
  border: none; border-radius: 12px; padding: 14px;
  font-size: 16px; font-weight: 600; cursor: pointer;
  transition: opacity .15s; display: block;
}
.btn-primary:active { opacity: .8; }
.btn-primary.w-full { width: 100%; }
.btn-outline {
  background: transparent; color: var(--accent);
  border: 1.5px solid var(--accent); border-radius: 12px; padding: 12px;
  font-size: 15px; font-weight: 600; cursor: pointer; display: block;
}
.btn-primary.mt-16 { margin-top: 16px; }
.btn-outline.mt-8 { margin-top: 8px; }

/* ── Cabinet ── */
.user-card {
  background: var(--card-bg); border-radius: var(--radius);
  padding: 16px; margin-bottom: 20px; box-shadow: var(--shadow);
}
.user-name { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.user-meta { font-size: 13px; color: var(--tg-theme-hint-color); }
.section-title { font-size: 16px; font-weight: 700; margin-bottom: 12px; }

.order-card {
  background: var(--card-bg); border-radius: var(--radius);
  padding: 14px; margin-bottom: 10px; box-shadow: var(--shadow);
}
.order-card-header { display: flex; justify-content: space-between; margin-bottom: 8px; }
.order-num { font-weight: 700; }
.order-status {
  font-size: 12px; font-weight: 600; padding: 3px 8px;
  border-radius: 8px; background: var(--bg);
}
.order-status.new { color: #1565c0; background: #e3f2fd; }
.order-status.confirmed { color: #2e7d32; background: #e8f5e9; }
.order-status.shipped { color: #e65100; background: #fff3e0; }
.order-status.delivered { color: #1b5e20; background: #c8e6c9; }
.order-status.cancelled { color: #b71c1c; background: #ffebee; }
.order-items-short { font-size: 13px; color: var(--tg-theme-hint-color); margin-bottom: 8px; }
.order-total { font-size: 14px; font-weight: 700; }
.order-date { font-size: 12px; color: var(--tg-theme-hint-color); }

/* ── Modal ── */
.modal { position: fixed; inset: 0; z-index: 200; }
.modal-overlay { position: absolute; inset: 0; background: rgba(0,0,0,.5); }
.modal-content {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: var(--card-bg); border-radius: 20px 20px 0 0;
  padding: 24px; z-index: 1;
}
.modal-title { font-size: 17px; font-weight: 700; margin-bottom: 16px; }

/* ── Toast ── */
.toast {
  position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%) translateY(80px);
  background: #1a1a1a; color: #fff; border-radius: 20px;
  padding: 10px 20px; font-size: 14px; white-space: nowrap;
  transition: transform .3s; z-index: 999; pointer-events: none;
}
.toast.show { transform: translateX(-50%) translateY(0); }

/* ── Misc ── */
.back-btn {
  background: none; border: none; padding: 0;
  font-size: 14px; color: var(--tg-theme-link-color, #2481cc);
  cursor: pointer; margin-bottom: 16px; display: flex; align-items: center; gap: 4px;
}
.empty-state { text-align: center; padding: 48px 16px; color: var(--tg-theme-hint-color); }
.empty-state > div:first-child { font-size: 48px; margin-bottom: 12px; }
.empty-state > div { font-size: 16px; }
.success-icon { font-size: 72px; margin-bottom: 16px; }
h2 { font-size: 20px; font-weight: 700; margin-bottom: 16px; }