:root {
    --primary-color: #333;
    --secondary-color: #f4f4f4;
    --accent-color: #8b5cf6;
    --text-color: #333;
    --white: #fff;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary-color: #ffffff;
    --background-color: #121212;
    --card-bg: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-color: #8b5cf6; /* Modern Violet */
    --accent-hover: #7c3aed;
    --border-color: #333333;
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background-color: var(--card-bg);
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.5);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-primary);
    text-decoration: none;
}

.cart-icon {
    font-size: 1.2rem;
    cursor: pointer;
    background: #333;
    padding: 8px 12px;
    border-radius: 20px;
    transition: background 0.2s;
}

.cart-icon:hover {
    background: #444;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    padding: 40px 0;
}

.product-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0,0,0,0.5);
    border-color: var(--accent-color);
}

.product-image {
    width: 100%;
    height: 250px;
    object-fit: contain; /* Shows full image */
    margin-bottom: 15px;
    /* background-color: #000; Removed potentially ugly background */
    border-radius: 8px;
    padding: 10px;
}

.product-info h3 {
    margin: 10px 0;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.product-price {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 0; /* Removing button space */
}

/* Product Detail Page Styles */
.back-link {
    display: inline-block;
    color: var(--text-secondary);
    text-decoration: none;
    margin: 20px 0;
    font-size: 0.9rem;
}

.back-link:hover {
    color: var(--primary-color);
}

.product-detail-layout {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    background: var(--card-bg);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.product-detail-image-wrapper {
    flex: 1;
    min-width: 300px;
    /* max-width removed to allow equal column width */
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-detail-image {
    max-width: 100%;
    width: auto; /* Allow image to be centered rather than forced full width */
    max-height: 400px; /* Limit height */
    border-radius: 12px;
    object-fit: contain;
}

.product-detail-info {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-detail-info h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.product-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 30px;
    white-space: pre-line;
}

.product-price-large {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 30px;
}

.add-to-cart-btn-large {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-weight: 600;
    width: fit-content;
}

.add-to-cart-btn-large:hover {
    background-color: var(--accent-hover);
}

/* Modal Styles - Dark Theme Adaptation */
.modal {
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8); /* Darkened overlay */
    z-index: 1000;
}

.modal.hidden {
    display: none !important;
}

.hidden {
    display: none !important;
}

.modal-content {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 25px rgba(0,0,0,0.8);
    max-height: 90vh;
    overflow-y: auto;
    width: 90%;
    max-width: 500px;
}

.close-btn {
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
}

.close-btn:hover {
    color: var(--primary-color);
}

.btn {
    background-color: var(--accent-color);
    color: white;
}

.btn:hover {
    background-color: var(--accent-hover);
}

input {
    background-color: #2d2d2d !important;
    border: 1px solid #444 !important;
    color: white !important;
}

input:focus {
    border-color: var(--accent-color) !important;
    outline: none;
}

/* Ensure Stripe elements blend in slightly better, though they are iframes */
#address-element, #payment-element {
    margin-top: 10px;
}

.cart-item {
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-item-details h4 {
    margin: 0 0 5px 0;
    font-size: 1.1rem;
}

.cart-item-details p {
    margin: 0;
    color: var(--text-secondary);
}

.cart-total {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
    text-align: right;
    font-size: 1.2rem;
}

.remove-btn {
    background: transparent;
    color: #ef4444;
    border: 1px solid #ef4444;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.checkout-btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 16px 24px;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 20px;
    width: 100%;
    transition: background-color 0.2s, transform 0.1s;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
}

.checkout-btn:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 8px rgba(0,0,0,0.3);
}

.checkout-btn:active {
    transform: translateY(0);
}

.checkout-btn:disabled {
    background-color: #555;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}