.side-cart-overlay {
    position: fixed; inset: 0; z-index: 998;
    background: rgba(0,0,0,0.3); backdrop-filter: blur(4px);
    opacity: 0; visibility: hidden; transition: all 0.3s ease;
}
.side-cart-overlay.active { opacity: 1; visibility: visible; }
.side-cart {
    position: fixed; top: 0; right: 0; bottom: 0; z-index: 999;
    width: 420px; max-width: 90vw;
    background: #fff; border-left: 1px solid var(--border);
    display: flex; flex-direction: column;
    transform: translateX(100%); transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
    box-shadow: -8px 0 40px rgba(0,0,0,0.08);
}
.side-cart.active { transform: translateX(0); }
.side-cart-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 24px; border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.side-cart-header h3 { font-size: 18px; margin: 0; }
.side-cart-close {
    width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
    background: var(--bg); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text-muted);
    font-size: 22px; cursor: pointer; transition: all var(--transition);
}
.side-cart-close:hover { color: var(--text-heading); border-color: var(--border-hover); }

/* Contents wrapper — fills remaining space */
.side-cart-contents {
    flex: 1; display: flex; flex-direction: column; min-height: 0;
}

/* Empty state */
.side-cart-empty {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 60px 24px; text-align: center; gap: 16px; color: var(--text-muted);
    flex: 1;
}
.side-cart-empty svg { opacity: 0.3; }

/* Items — scrollable area */
.side-cart-items {
    flex: 1; overflow-y: auto; padding: 16px 24px;
    min-height: 0;
}
.side-cart-item {
    display: flex; gap: 14px; padding: 16px 0; align-items: center;
    border-bottom: 1px solid var(--border); position: relative;
}
.side-cart-item:last-child { border-bottom: none; }
.side-cart-item__img { width: 64px; height: 64px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; background: var(--bg); }
.side-cart-item__img img { width: 100%; height: 100%; object-fit: cover; }
.side-cart-item__details { flex: 1; min-width: 0; }
.side-cart-item__name { font-size: 14px; font-weight: 600; color: var(--text-heading); margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.side-cart-item__batch { font-size: 11px; color: var(--text-muted, #6b6b6b); margin-bottom: 4px; letter-spacing: 0.02em; }
.side-cart-item__batch span { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-weight: 600; color: var(--text-heading); }
.side-cart-item__price { font-size: 13px; color: var(--accent); margin-bottom: 8px; }
.side-cart-item__qty { display: flex; align-items: center; gap: 0; }
.qty-btn {
    width: 28px; height: 28px; display: flex; align-items: center; justify-content: center;
    background: var(--bg); border: 1px solid var(--border);
    color: var(--text); font-size: 16px; cursor: pointer;
    transition: all var(--transition);
}
.qty-btn:first-child { border-radius: 6px 0 0 6px; }
.qty-btn:last-child { border-radius: 0 6px 6px 0; }
.qty-btn:hover { background: var(--bg-card-hover); }
.qty-val {
    width: 36px; height: 28px; display: flex; align-items: center; justify-content: center;
    background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
    font-size: 13px; font-weight: 600;
}
.side-cart-item__remove {
    position: absolute; top: 16px; right: 0;
    width: 24px; height: 24px; display: flex; align-items: center; justify-content: center;
    background: none; border: none; color: var(--text-muted);
    font-size: 18px; cursor: pointer; transition: color var(--transition);
}
.side-cart-item__remove:hover { color: var(--error); }

/* Footer — pinned to bottom */
.side-cart-footer {
    flex-shrink: 0;
    padding: 20px 24px; border-top: 1px solid var(--border);
    display: flex; flex-direction: column; gap: 12px;
    background: #fff;
}

/* Coupon section */
.side-cart-coupon { margin-bottom: 4px; }
.side-cart-coupon__toggle {
    display: flex; align-items: center; gap: 8px; width: 100%;
    background: none; border: none; cursor: pointer; padding: 0;
    font-size: 13px; font-weight: 500; color: var(--text-muted);
    transition: color var(--transition);
}
.side-cart-coupon__toggle:hover { color: var(--accent); }
.side-cart-coupon__toggle .side-cart-coupon__arrow {
    margin-left: auto; transition: transform 0.2s ease;
}
.side-cart-coupon__toggle .side-cart-coupon__arrow.open { transform: rotate(180deg); }
.side-cart-coupon__form { padding-top: 10px; }
.side-cart-coupon__input-wrap { display: flex; gap: 8px; }
.side-cart-coupon__input {
    flex: 1; padding: 8px 12px !important; font-size: 13px !important;
    border-radius: var(--radius-sm) !important;
}
.side-cart-coupon__apply { flex-shrink: 0; padding: 8px 16px !important; }
.side-cart-coupon__applied {
    display: flex; justify-content: space-between; align-items: center;
    padding: 8px 12px; background: rgba(22,163,74,0.06);
    border: 1px solid rgba(22,163,74,0.15); border-radius: var(--radius-sm);
    font-size: 13px; color: var(--success); font-weight: 500;
}
.side-cart-coupon__applied span { display: flex; align-items: center; gap: 6px; }
.side-cart-coupon__remove {
    background: none; border: none; color: var(--text-muted);
    font-size: 18px; cursor: pointer; padding: 0 4px;
    transition: color var(--transition);
}
.side-cart-coupon__remove:hover { color: var(--error); }
.side-cart-coupon__error {
    margin-top: 6px; font-size: 12px; color: var(--error); padding: 6px 10px;
    background: rgba(220,38,38,0.05); border-radius: var(--radius-sm);
}

/* Subtotal / Discount / Total */
.side-cart-subtotal, .side-cart-discount {
    display: flex; justify-content: space-between; font-size: 14px; color: var(--text-muted);
}
.side-cart-subtotal strong, .side-cart-discount strong { color: var(--text-heading); }
.side-cart-discount strong { color: var(--success); }
.side-cart-total {
    display: flex; justify-content: space-between; font-size: 16px;
    padding-top: 12px; border-top: 1px solid var(--border);
}
.side-cart-total strong { color: var(--text-heading); }

/* Buttons at bottom */
.side-cart-buttons { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }