/* Custom CSS for OTTO */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700;900&display=swap');

* {
    font-family: 'Noto Sans JP', sans-serif;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    background-color: #fafafa;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Popup styles */
.popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.popup-overlay.active {
    display: flex;
}

.popup-content {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: fadeIn 0.3s ease-out;
}

/* Cart badge animation */
.cart-badge {
    transition: transform 0.2s;
}

.cart-badge.animate {
    transform: scale(1.2);
}

/* Product card hover effect */
.product-card {
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* Button hover effects */
.btn-primary {
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Accordion styles */
.accordion-item {
    border-bottom: 1px solid #e5e7eb;
}

.accordion-button {
    transition: background-color 0.3s;
}

.accordion-button:hover {
    background-color: #f9fafb;
}

/* Form validation styles */
.form-error {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.form-input.error {
    border-color: #ef4444;
}

/* Loading spinner */
.spinner {
    border: 3px solid #f3f4f6;
    border-top: 3px solid #3b82f6;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    display: inline-block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}