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

:root {
  --ink: #111111;
  --paper: #ffffff;
  --grey: #8a8a8a;
  --line: #e2e2e2;
  --panel: #f4f4f2;
}

body {
  font-family: "Helvetica Neue", Arial, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.4;
}

a { color: inherit; text-decoration: none; }

/* --- шапка / подвал ------------------------------------------------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 6vw;
  border-bottom: 1px solid var(--line);
}
.site-logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.35em;
  text-transform: uppercase;
}
.site-nav { display: flex; gap: 28px; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; }
.site-nav a:hover { color: var(--grey); }

.site-footer {
  padding: 40px 6vw;
  margin-top: 80px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey);
}

/* --- витрина ---------------------------------------------------------- */

.hero {
  padding: 90px 6vw 50px;
}
.hero h1 {
  font-size: clamp(32px, 6vw, 72px);
  font-weight: 700;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 2px;
  background: var(--line);
  padding: 0 0 2px;
  margin: 0 0 0;
}

.product-card {
  background: var(--paper);
  padding: 24px 20px 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.product-card-image {
  aspect-ratio: 4 / 5;
  background: var(--panel);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-card-image img { width: 100%; height: 100%; object-fit: cover; }
.product-card-title { font-size: 14px; text-transform: uppercase; letter-spacing: 0.04em; }
.product-card-price { font-size: 14px; color: var(--grey); }

.placeholder-image {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #ededeb, #dcdcda);
}
.placeholder-image span {
  font-size: 48px;
  font-weight: 700;
  color: #b9b9b6;
  text-transform: uppercase;
}
.placeholder-image-large span { font-size: 96px; }

.out-of-stock {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--ink);
  color: var(--paper);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 8px;
}

.empty-state { padding: 40px 6vw; color: var(--grey); }

/* --- страница товара ---------------------------------------------- */

.product-page {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 6vw;
  padding: 40px 6vw 80px;
}
@media (max-width: 720px) {
  .product-page { grid-template-columns: 1fr; }
}
.product-page-image { aspect-ratio: 4 / 5; background: var(--panel); }
.product-page-image img { width: 100%; height: 100%; object-fit: cover; }
.product-page-info h1 {
  font-size: clamp(24px, 3vw, 36px);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}
.product-page-price { font-size: 20px; margin-bottom: 24px; }
.product-page-description { color: #444; margin-bottom: 24px; max-width: 480px; }

.size-select { display: block; margin-bottom: 24px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; }
.size-select select { display: block; margin-top: 8px; padding: 10px; border: 1px solid var(--ink); background: var(--paper); font-size: 14px; min-width: 160px; }

button, .checkout-button {
  display: inline-block;
  padding: 16px 32px;
  background: var(--ink);
  color: var(--paper);
  border: none;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}
button:hover, .checkout-button:hover { background: #333; }
button:disabled { background: var(--grey); cursor: not-allowed; }

.feedback { padding: 0 6vw; margin-top: 16px; font-size: 13px; color: var(--grey); }

/* --- корзина и оформление ------------------------------------------- */

.page-title {
  padding: 60px 6vw 30px;
  font-size: clamp(26px, 4vw, 44px);
  text-transform: uppercase;
}

.cart-table { width: 100%; border-collapse: collapse; margin: 0 6vw; width: calc(100% - 12vw); }
.cart-table th {
  text-align: left;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey);
  border-bottom: 1px solid var(--line);
  padding: 12px 8px;
}
.cart-table td { padding: 16px 8px; border-bottom: 1px solid var(--line); font-size: 14px; }
.cart-table input[type=number] { width: 60px; padding: 6px; border: 1px solid var(--line); }

.cart-total {
  margin: 32px 6vw;
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.cart-table + .cart-total,
.cart-total + .checkout-button {
  margin-left: 6vw;
}
.checkout-button { margin: 0 6vw 60px; }

.checkout-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 480px;
  padding: 0 6vw 60px;
}
.checkout-form label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey);
}
.checkout-form input, .checkout-form textarea {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 12px;
  border: 1px solid var(--line);
  font-size: 14px;
  font-family: inherit;
  color: var(--ink);
}
.checkout-form button { align-self: flex-start; margin-top: 12px; }

#order-status-root { padding: 60px 6vw 80px; }
.order-status-label { font-size: 18px; text-transform: uppercase; letter-spacing: 0.04em; margin: 16px 0 24px; }
#order-status-root ul { margin: 0 0 24px; padding-left: 20px; color: #444; }

/* --- чат-виджет ------------------------------------------------------ */

.chat-widget-bubble {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  border: none;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  z-index: 1000;
}
.chat-widget-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #d33;
  border: 2px solid var(--paper);
}

.chat-widget-panel {
  position: fixed;
  right: 24px;
  bottom: 92px;
  width: min(340px, calc(100vw - 48px));
  max-height: min(480px, calc(100vh - 140px));
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  z-index: 1000;
}
.chat-widget-header {
  padding: 14px 16px;
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.chat-widget-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 160px;
}
.chat-widget-msg {
  max-width: 85%;
  padding: 8px 10px;
  font-size: 13px;
  line-height: 1.4;
  border-radius: 2px;
  background: var(--panel);
  white-space: pre-wrap;
  word-break: break-word;
}
.chat-widget-msg-admin {
  align-self: flex-start;
}
.chat-widget-msg-visitor {
  align-self: flex-end;
  background: var(--ink);
  color: var(--paper);
}
.chat-widget-form {
  display: flex;
  gap: 8px;
  padding: 10px;
  border-top: 1px solid var(--line);
}
.chat-widget-form textarea {
  flex: 1;
  resize: none;
  padding: 8px;
  border: 1px solid var(--line);
  font-family: inherit;
  font-size: 13px;
}
.chat-widget-form button {
  padding: 0 16px;
  font-size: 16px;
}

@media (max-width: 480px) {
  .chat-widget-panel { right: 12px; bottom: 84px; }
  .chat-widget-bubble { right: 12px; bottom: 12px; }
}