/* shop.css — Drop shop pages: product, checkout, confirmation.
   Extends theme.css tokens (--bg, --surface, --fg, --accent, etc.) */

/* HEADER */
.shop-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.shop-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 clamp(24px, 6vw, 96px);
  height: 64px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.shop-back {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.shop-back:hover { color: var(--fg); }

.shop-brand {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.06em;
  color: var(--fg);
  text-decoration: none;
}

.shop-header-spacer { flex: 1; }

/* SHOP MAIN */
.shop-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px clamp(24px, 6vw, 96px);
}

.shop-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

/* IMAGE COL */
.shop-image-col { position: relative; }

.shop-image-wrap {
  aspect-ratio: 4/5;
  overflow: hidden;
  border: 1px solid var(--border);
}

.shop-product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.shop-image-placeholder {
  width: 100%;
  height: 100%;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
}

.shop-placeholder-text {
  font-family: var(--serif);
  font-size: clamp(48px, 8vw, 96px);
  color: var(--border);
  letter-spacing: 0.05em;
}

.shop-product-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 6px 12px;
}

/* INFO COL */
.shop-info-col { padding-top: 8px; }

.shop-product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.shop-drop-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.shop-price {
  font-family: var(--mono);
  font-size: 18px;
  color: var(--fg);
}

.shop-product-name {
  font-family: var(--serif);
  font-size: clamp(36px, 4vw, 56px);
  color: var(--fg);
  letter-spacing: 0.02em;
  line-height: 1.0;
  margin-bottom: 8px;
}

.shop-variant {
  font-family: var(--body);
  font-size: 14px;
  color: var(--fg-muted);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.shop-description {
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.65;
  color: var(--fg-muted);
  margin-bottom: 40px;
}

/* FORM */
.checkout-form { display: flex; flex-direction: column; gap: 24px; }

.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.form-input {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: var(--body);
  font-size: 15px;
  padding: 14px 16px;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus { border-color: var(--accent); }
.form-input::placeholder { color: var(--fg-muted); opacity: 0.5; }

/* SIZE SELECTOR */
.size-selector {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.size-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  padding: 10px 18px;
  cursor: pointer;
  transition: all 0.15s;
}

.size-btn:hover { border-color: var(--fg-muted); }

.size-btn.selected {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

/* BUY BUTTON */
.buy-btn {
  background: var(--accent);
  color: var(--bg);
  border: none;
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.04em;
  padding: 18px 32px;
  cursor: pointer;
  width: 100%;
  transition: background 0.2s, opacity 0.2s;
}

.buy-btn:hover:not(:disabled) { background: var(--accent-dim); }

.buy-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-note {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-muted);
  text-align: center;
  letter-spacing: 0.04em;
}

.checkout-error {
  background: rgba(255, 80, 80, 0.1);
  border: 1px solid rgba(255, 80, 80, 0.3);
  color: #ff6b6b;
  font-family: var(--mono);
  font-size: 13px;
  padding: 12px 16px;
}

/* SHOP FOOTER */
.shop-footer {
  border-top: 1px solid var(--border);
  padding: 32px clamp(24px, 6vw, 96px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
}

.shop-footer a { color: var(--fg-muted); text-decoration: underline; }
.shop-footer a:hover { color: var(--fg); }

/* CONFIRMATION */
.confirmation-main {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 64px clamp(24px, 6vw, 96px);
}

.confirmation-wrap {
  max-width: 520px;
  width: 100%;
  text-align: center;
}

.confirmation-icon { margin-bottom: 32px; }

.confirmation-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}

.confirmation-heading {
  font-family: var(--serif);
  font-size: clamp(40px, 6vw, 72px);
  color: var(--fg);
  letter-spacing: 0.02em;
  line-height: 1.0;
  margin-bottom: 16px;
}

.confirmation-sub {
  font-family: var(--body);
  font-size: 16px;
  color: var(--fg-muted);
  margin-bottom: 48px;
}

.confirmation-card {
  background: var(--surface);
  border: 1px solid var(--border);
  text-align: left;
  margin-bottom: 32px;
}

.confirmation-detail {
  display: flex;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

.confirmation-detail:last-child { border-bottom: none; }

.confirmation-detail-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.confirmation-detail-value {
  font-family: var(--body);
  font-size: 14px;
  color: var(--fg);
}

.confirmation-fulfillment {
  font-family: var(--body);
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
  margin-bottom: 40px;
}

.confirmation-fulfillment a { color: var(--accent); }

.confirmation-home-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}

.confirmation-home-link:hover {
  color: var(--fg);
  border-color: var(--fg);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .shop-grid { grid-template-columns: 1fr; gap: 48px; }
  .shop-image-wrap { aspect-ratio: 1/1; }
  .shop-footer { flex-direction: column; gap: 12px; text-align: center; }
}