:root {
    --ink: #2a2a28;
    --paper: #faf8f5;
    --accent: #8a6d5c;
    --line: #e4ddd4;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--paper);
    color: var(--ink);
}

.shop-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--line);
}
.shop-header h1 { font-size: 1.3rem; margin: 0; font-weight: 500; letter-spacing: 0.02em; }
.back-link { color: var(--ink); text-decoration: none; font-size: 0.9rem; opacity: 0.7; }

.cart-toggle {
    background: var(--ink);
    color: var(--paper);
    border: none;
    border-radius: 999px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-size: 0.9rem;
}

.load-error {
    margin: 1rem 2rem;
    padding: 0.75rem 1rem;
    background: #fdecea;
    border: 1px solid #f3c2bd;
    border-radius: 8px;
    color: #7a2e26;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
    padding: 2rem;
}
.loading { grid-column: 1 / -1; text-align: center; opacity: 0.6; }

.product-card {
    background: white;
    border: 1px solid var(--line);
    border-radius: 12px;
    overflow: hidden;
    text-align: center;
    padding-bottom: 1rem;
}
.product-card img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    background: var(--line);
}
.product-card h3 { font-size: 1rem; margin: 0.75rem 0.5rem 0.25rem; font-weight: 500; }
.product-price { margin: 0 0 0.75rem; opacity: 0.7; font-size: 0.9rem; }

.secondary-btn {
    background: white;
    border: 1px solid var(--ink);
    color: var(--ink);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.85rem;
}
.checkout-btn {
    width: 100%;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.85rem;
    font-size: 1rem;
    cursor: pointer;
    margin-top: 0.75rem;
}
.checkout-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.checkout-note { font-size: 0.75rem; opacity: 0.6; text-align: center; margin-top: 0.5rem; }

/* Cart drawer */
.cart-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.35);
    z-index: 20;
}
.cart-drawer {
    position: fixed; top: 0; right: 0; height: 100%;
    width: min(400px, 100%);
    background: var(--paper);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    z-index: 30;
    overflow-y: auto;
}
.cart-drawer.open { transform: translateX(0); }
.cart-drawer-inner { padding: 1.5rem; }
.cart-drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.cart-drawer-head button { background: none; border: none; font-size: 1.5rem; cursor: pointer; }

.cart-empty { opacity: 0.6; }
.cart-line { display: flex; gap: 0.75rem; padding: 0.75rem 0; border-bottom: 1px solid var(--line); }
.cart-line img { width: 60px; height: 60px; object-fit: cover; border-radius: 6px; background: var(--line); }
.cart-line-name { margin: 0; font-size: 0.9rem; }
.cart-line-price { margin: 0.15rem 0; font-size: 0.8rem; opacity: 0.6; }
.qty-controls { display: flex; align-items: center; gap: 0.5rem; }
.qty-btn { width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--line); background: white; cursor: pointer; }
.remove-btn { background: none; border: none; color: #a33; font-size: 0.75rem; cursor: pointer; margin-left: 0.5rem; }

.cart-subtotal { display: flex; justify-content: space-between; padding: 1rem 0; font-weight: 600; border-top: 1px solid var(--line); }

.shipping-section h3 { font-size: 0.95rem; margin-bottom: 0.5rem; }
.shipping-section form { display: flex; flex-direction: column; gap: 0.6rem; }
.shipping-section label { font-size: 0.8rem; display: flex; flex-direction: column; gap: 0.25rem; }
.shipping-section input {
    padding: 0.5rem; border: 1px solid var(--line); border-radius: 6px; font-size: 0.9rem;
}
.field-row { display: flex; gap: 0.5rem; }
.field-row label { flex: 1; }

.rates-list { margin-top: 0.75rem; display: flex; flex-direction: column; gap: 0.4rem; }
.rate-option { font-size: 0.85rem; display: flex; align-items: center; gap: 0.5rem; }

/* Variant modal */
.modal {
    position: fixed; inset: 0; background: rgba(0,0,0,0.4);
    display: flex; align-items: center; justify-content: center; z-index: 40;
}
.modal[hidden] { display: none; }
.modal-inner {
    background: white; border-radius: 12px; padding: 1.5rem;
    width: min(380px, 90%); position: relative; text-align: center;
}
.modal-close { position: absolute; top: 0.5rem; right: 0.75rem; background: none; border: none; font-size: 1.5rem; cursor: pointer; }
.modal-inner img { width: 100%; aspect-ratio: 1/1; object-fit: cover; border-radius: 8px; margin-bottom: 0.75rem; background: var(--line); }
.modal-inner label { display: block; text-align: left; font-size: 0.85rem; margin: 0.5rem 0 0.25rem; }
.modal-inner select, .modal-inner input { width: 100%; padding: 0.5rem; border-radius: 6px; border: 1px solid var(--line); }
.variant-price { font-weight: 600; margin: 0.75rem 0; }