:root {
    --shop-bg: var(--color-bg, #F5F3F0);
    --shop-surface: var(--color-surface, #FFFFFF);
    --shop-surface-hover: rgba(0, 0, 0, 0.02);
    --shop-surface-raised: rgba(0, 0, 0, 0.015);
    --shop-border: var(--color-input-border, #D1D5DB);
    --shop-border-hover: rgba(0, 0, 0, 0.2);
    --shop-radius: 14px;
    --shop-radius-sm: 10px;
    --shop-radius-xs: 8px;
    --shop-text: var(--color-text, #2C2C2C);
    --shop-text-muted: var(--color-text-muted, #666666);
    --shop-text-heading: var(--color-heading, #1F1F1F);
    --shop-font: inherit;
    --shop-primary: var(--color-button-primary-bg, #7A1530);
    --shop-primary-hover: var(--color-button-primary-hover, #5C0F24);
    --shop-primary-text: var(--color-button-primary-text, #FFFFFF);
    --shop-primary-tint: var(--color-button-outline-hover-bg, rgba(122, 21, 48, 0.08));
    --shop-input-bg: var(--color-input-bg, #FFFFFF);
    --shop-input-border: var(--color-input-border, #D1D5DB);
    --shop-input-border-focus: var(--color-input-focus, #00AEEF);
    --shop-input-text: var(--color-input-text, #2C2C2C);
    --shop-input-placeholder: var(--color-text-muted, #666666);
    --shop-input-radius: var(--shop-radius-xs);
    --shop-input-ring: var(--color-input-focus-ring, rgba(0, 174, 239, 0.15));
    --shop-card-bg: var(--color-surface, #FFFFFF);
    --shop-card-border: var(--color-input-border, #D1D5DB);
    --shop-card-radius: var(--shop-radius);
    --shop-card-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --shop-card-shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shop-btn-primary-bg: var(--color-button-primary-bg, #7A1530);
    --shop-btn-primary-text: var(--color-button-primary-text, #FFFFFF);
    --shop-btn-primary-hover: var(--color-button-primary-hover, #5C0F24);
    --shop-btn-radius: var(--shop-radius-xs);
    --shop-btn-secondary-bg: var(--color-button-secondary-bg, #00AEEF);
    --shop-btn-secondary-text: var(--color-button-secondary-text, #FFFFFF);
    --shop-btn-secondary-hover: var(--color-button-secondary-hover, #008DC0);
    --shop-btn-outline-border: var(--color-button-outline-border, #7A1530);
    --shop-btn-outline-text: var(--color-button-outline-text, #7A1530);
    --shop-btn-outline-hover-bg: var(--color-button-outline-hover-bg, rgba(122, 21, 48, 0.08));
    --shop-badge-bg: var(--color-button-primary-bg, #7A1530);
    --shop-badge-text: var(--color-button-primary-text, #FFFFFF);
    --shop-badge-radius: 20px;
    --shop-success: var(--color-success, #1F8A4C);
    --shop-danger: var(--color-danger, #C0392B);
    --shop-warning: var(--color-warning, #B7791F);
    --shop-drawer-bg: var(--color-surface, #FFFFFF);
    --shop-drawer-border: var(--color-input-border, #D1D5DB);
    --shop-drawer-shadow: -4px 0 32px rgba(0, 0, 0, 0.15);
    --shop-backdrop: rgba(0, 0, 0, 0.4);
    --shop-space-xs: 0.25rem;
    --shop-space-sm: 0.5rem;
    --shop-space-md: 1rem;
    --shop-space-lg: 1.5rem;
    --shop-space-xl: 2rem;
}

.shop-input {
    width: 100%;
    padding: 0.7rem 0.85rem;
    border: 1.5px solid var(--shop-input-border);
    border-radius: var(--shop-input-radius);
    font-size: 0.92rem;
    background: var(--shop-input-bg);
    color: var(--shop-input-text);
    font-family: var(--shop-font);
    transition: border-color .15s,box-shadow .15s;
}

    .shop-input:focus {
        outline: none;
        border-color: var(--shop-input-border-focus);
        box-shadow: 0 0 0 3px var(--shop-input-ring);
    }

    .shop-input::placeholder {
        color: var(--shop-input-placeholder);
        opacity: .6;
    }

.shop-select {
    width: 100%;
    padding: 0.7rem 0.85rem;
    border: 1.5px solid var(--shop-input-border);
    border-radius: var(--shop-input-radius);
    font-size: 0.92rem;
    background: var(--shop-input-bg);
    color: var(--shop-input-text);
    font-family: var(--shop-font);
    transition: border-color .15s;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    padding-right: 2.2rem;
}

    .shop-select:focus {
        outline: none;
        border-color: var(--shop-input-border-focus);
        box-shadow: 0 0 0 3px var(--shop-input-ring);
    }

.shop-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--shop-text-muted);
    margin-bottom: 0.4rem;
}

.shop-section {
    border: 1px solid var(--shop-border);
    border-radius: var(--shop-radius);
    padding: var(--shop-space-lg);
    background: var(--shop-surface);
}

.shop-section-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0 0 var(--shop-space-lg);
    color: var(--shop-text-heading);
}

.shop-btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.85rem 1.5rem;
    background: var(--shop-btn-primary-bg);
    color: var(--shop-btn-primary-text);
    border: none;
    border-radius: var(--shop-btn-radius);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background .15s,opacity .15s;
    font-family: var(--shop-font);
}

    .shop-btn-primary:hover:not(:disabled) {
        background: var(--shop-btn-primary-hover);
    }

    .shop-btn-primary:disabled {
        opacity: .5;
        cursor: default;
    }

.shop-btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.25rem;
    background: var(--shop-btn-secondary-bg);
    color: var(--shop-btn-secondary-text);
    border: none;
    border-radius: var(--shop-btn-radius);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s;
    font-family: var(--shop-font);
}

    .shop-btn-secondary:hover:not(:disabled) {
        background: var(--shop-btn-secondary-hover);
    }

.shop-btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.25rem;
    background: transparent;
    color: var(--shop-btn-outline-text);
    border: 1.5px solid var(--shop-btn-outline-border);
    border-radius: var(--shop-btn-radius);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s,color .15s;
    font-family: var(--shop-font);
}

    .shop-btn-outline:hover:not(:disabled) {
        background: var(--shop-btn-outline-hover-bg);
    }

.shop-qty {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.shop-qty-btn {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1.5px solid var(--shop-btn-outline-border);
    background: transparent;
    color: var(--shop-btn-outline-text);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .15s;
    line-height: 1;
}

    .shop-qty-btn:hover:not(:disabled) {
        background: var(--shop-btn-outline-hover-bg);
    }

    .shop-qty-btn:disabled {
        opacity: .4;
        cursor: default;
    }

.shop-qty-value {
    min-width: 28px;
    text-align: center;
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--shop-text);
}

.shop-option-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1rem;
    border: 1.5px solid var(--shop-border);
    border-radius: var(--shop-radius-sm);
    cursor: pointer;
    transition: border-color .15s,background .15s;
    font-size: 0.88rem;
}

    .shop-option-row:hover {
        border-color: var(--shop-border-hover);
        background: var(--shop-surface-hover);
    }

    .shop-option-row.active {
        border-color: var(--shop-primary);
        background: var(--shop-primary-tint);
    }

    .shop-option-row input[type="radio"] {
        accent-color: var(--shop-primary);
        margin: 0;
        flex-shrink: 0;
    }

.shop-price {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--shop-text);
}

.shop-price-muted {
    font-size: 0.85rem;
    color: var(--shop-text-muted);
}

.shop-price-free {
    font-size: 0.82rem;
    color: var(--shop-success);
    font-weight: 600;
}

.shop-trust-text {
    margin: 0.5rem 0 0;
    font-size: 0.78rem;
    color: var(--shop-text-muted);
    text-align: center;
    line-height: 1.5;
}

.shop-error {
    color: var(--shop-danger);
    font-size: 0.88rem;
    padding: 0.75rem 1rem;
    background: color-mix(in srgb, var(--shop-danger) 6%, transparent);
    border: 1px solid color-mix(in srgb, var(--shop-danger) 15%, transparent);
    border-radius: var(--shop-radius-xs);
}

.shop-divider {
    border: none;
    border-top: 1px solid var(--shop-border);
    margin: var(--shop-space-lg) 0;
}

.shop-empty-state {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--shop-text-muted);
}

.shop-empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.shop-empty-state-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--shop-text);
}

.shop-empty-state-sub {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.shop-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0;
    font-size: 0.92rem;
    color: var(--shop-text-muted);
}

.shop-summary-total {
    border-top: 1px solid var(--shop-border);
    margin-top: 0.5rem;
    padding-top: 0.75rem;
    font-weight: 700;
    color: var(--shop-text);
    font-size: 1.05rem;
}

.shop-breadcrumb {
    font-size: 0.82rem;
    color: var(--shop-text-muted);
    margin-bottom: var(--shop-space-lg);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

    .shop-breadcrumb a {
        color: var(--color-accent,#00AEEF);
        text-decoration: none;
    }

        .shop-breadcrumb a:hover {
            text-decoration: underline;
        }

.shop-breadcrumb-sep {
    color: var(--shop-text-muted);
    opacity: .5;
}