/* --- 1. Global Styles & Variables --- */
:root {
    --primary-pink: #f65f9a;
    --primary-dark: #d6336c;
    --secondary-blue: #4dabf7;
    --text-dark: #2c3e50;
    --text-light: #8f9ca7;
    --background-color: #f9fafb;
    --card-background: #ffffff;
    --border-color: #e9ecef;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-dark);
    line-height: 1.6;
}

a {
    color: var(--primary-pink);
    text-decoration: none;
    transition: color 0.2s ease-in-out;
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* --- 2. Layout & Helper Classes --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hidden {
    display: none !important;
}

/* --- 3. Header & Navigation --- */
.categories-nav {
    background-color: var(--card-background);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.categories-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.categories {
    display: flex;
    gap: 15px;
}

.category-btn {
    padding: 8px 16px;
    border-radius: 50px;
    font-weight: 600;
    color: var(--text-light);
    background-color: transparent;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.category-btn:hover {
    color: var(--primary-pink);
    background-color: #fdf2f8;
}

.category-btn.active {
    color: var(--primary-pink);
    background-color: #fdf2f8;
    border-color: var(--primary-pink);
}

.hamburger-menu {
    display: none; /* Hidden on desktop */
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 110;
}

.hamburger-menu span {
    width: 30px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 10px;
    transition: all 0.3s linear;
}

.mobile-nav {
    display: none; /* Hidden by default */
    flex-direction: column;
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--card-background);
    padding: 80px 20px 20px;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    transition: left 0.3s ease-in-out;
    z-index: 105;
}

.mobile-nav.open {
    left: 0;
}

.mobile-nav .category-btn {
    width: 100%;
    text-align: left;
    padding: 15px;
    border-radius: 8px;
}

/* --- 4. Banner & Search --- */
.banner-section img {
    width: 100%;
    object-fit: cover;
}

.search-section {
    padding: 30px 0;
    background-color: #f1f3f5;
}

.search-box {
    display: flex;
    border-radius: 50px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.search-box input {
    flex-grow: 1;
    border: none;
    padding: 15px 25px;
    font-size: 16px;
    outline: none;
}

.search-box button {
    background-color: var(--primary-pink);
    border: none;
    padding: 0 25px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.search-box button:hover {
    background-color: var(--primary-dark);
}

/* --- 5. Product Grid & Cards (Frontend) --- */
main.container {
    padding-top: 40px;
    padding-bottom: 40px;
}

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

.product-card {
    background-color: var(--card-background);
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.product-image {
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-info {
    padding: 20px;
    flex-grow: 1;
}

.product-title-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
}

.product-info h3 {
    font-size: 1.1rem;
    margin: 0;
    line-height: 1.4;
}

.product-info h3 a {
    color: var(--text-dark);
}

/* MODIFIED: View Price Button Style */
.view-price-btn {
    background-color: transparent;
    color: var(--text-dark);
    border: 1px solid var(--text-dark);
    padding: 6px 12px;
    border-radius: 5px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    transition: background-color 0.2s, color 0.2s;
}

.view-price-btn:hover {
    background-color: var(--text-dark);
    color: white;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px 20px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    padding-top: 15px;
}

.know-more-link {
    font-size: 0.9rem;
    font-weight: 600;
}

.product-footer-actions {
    display: flex;
    gap: 10px;
}

.like-btn, .share-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    opacity: 0.7;
    transition: opacity 0.2s, transform 0.2s;
}

.like-btn:hover, .share-btn:hover {
    opacity: 1;
    transform: scale(1.1);
}

.like-btn.active {
    color: var(--danger-color);
    opacity: 1;
}

.like-count {
    font-size: 0.9rem;
    margin-left: 4px;
    color: var(--text-light);
}

/* --- 6. Single Product Page --- */
.single-product-view {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 60px;
}

.single-product-image img {
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.single-product-info h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.category-badge-single {
    display: inline-block;
    background-color: #fdf2f8;
    color: var(--primary-pink);
    padding: 5px 15px;
    border-radius: 50px;
    font-weight: 600;
    margin-bottom: 30px;
}

.single-product-actions {
    display: flex;
    gap: 15px;
}

.btn-primary, .btn-secondary {
    padding: 12px 25px;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--primary-pink);
    color: white;
}
.btn-primary:hover {
    background-color: var(--primary-dark);
    color: white;
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-dark);
    border-color: var(--border-color);
}
.btn-secondary:hover {
    background-color: var(--background-color);
}

.suggestions-title {
    margin-bottom: 30px;
    font-size: 1.8rem;
}

/* --- 7. PWA Install Prompt --- */
#install-prompt-container {
    display: none;
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background-color: var(--card-background);
    border-radius: 12px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.15);
    padding: 20px;
    max-width: 350px;
}

.install-prompt-content {
    display: none; /* Hidden by default, JS shows the correct one */
    align-items: center;
    gap: 15px;
    position: relative;
}

.close-install-prompt {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--border-color);
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    font-size: 16px;
    cursor: pointer;
    color: var(--text-light);
}

.install-logo {
    width: 50px;
    height: 50px;
}

.install-text strong {
    display: block;
    font-size: 1.1rem;
}

.install-text p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin: 0;
}

.ios-share-icon {
    display: inline-block;
    vertical-align: middle;
    width: 18px;
    height: 18px;
}

#install-app-btn {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
}

/* --- 8. Admin Panel Specific Styles --- */
header {
    background-color: var(--text-dark);
    color: white;
    padding: 20px 0;
    margin-bottom: 40px;
}

header h1 {
    font-size: 1.8rem;
}

.admin-stats, .admin-settings, .admin-controls {
    margin-bottom: 40px;
}

.admin-settings h2, .admin-controls h2 {
    margin-bottom: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat-card {
    background-color: var(--card-background);
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.stat-card h3 {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 10px;
}

.stat-card p {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-pink);
}

.admin-card {
    position: relative;
}

.admin-card .product-image {
    position: relative;
}

.click-counter {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: rgba(0,0,0,0.6);
    color: white;
    padding: 4px 8px;
    border-radius: 5px;
    font-size: 0.8rem;
}

.category-badge {
    display: inline-block;
    background-color: var(--background-color);
    padding: 3px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
    color: var(--text-light);
    margin-bottom: 10px;
}

.admin-actions {
    margin-top: 15px;
    display: flex;
    gap: 10px;
}

.admin-actions button {
    flex-grow: 1;
    padding: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--card-background);
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.admin-actions button:hover {
    background-color: var(--background-color);
}

.admin-actions .btn-delete:hover {
    background-color: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

/* --- 9. Modal Styles (Admin) --- */
.modal {
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: #fefefe;
    margin: auto;
    padding: 30px;
    border: 1px solid #888;
    width: 90%;
    max-width: 600px;
    border-radius: 10px;
    position: relative;
    box-shadow: 0 5px 25px rgba(0,0,0,0.2);
}

.modal .close {
    color: #aaa;
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.modal .close:hover,
.modal .close:focus {
    color: black;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="search"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
}

.form-hint {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 5px;
    display: block;
}

.form-actions {
    margin-top: 30px;
    text-align: right;
}

/* --- 10. Button Loading State --- */
.btn-primary {
    position: relative;
    transition: background-color 0.3s, opacity 0.3s;
}

.btn-loading {
    opacity: 0.7;
    pointer-events: none; /* Prevents clicking while loading */
}

.btn-loading span {
    visibility: hidden;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    border: 3px solid transparent;
    border-top-color: #ffffff;
    border-right-color: #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* --- 11. Responsive Design (Media Queries) --- */
@media (max-width: 768px) {
    .categories {
        display: none; /* Hide desktop nav */
    }

    .hamburger-menu {
        display: flex; /* Show hamburger */
    }

    .mobile-nav {
        display: flex; /* Enable mobile nav functionality */
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }

    .single-product-view {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .single-product-actions {
        justify-content: center;
    }

    .single-product-info h1 {
        font-size: 2rem;
    }

    #install-prompt-container {
        left: 10px;
        right: 10px;
        bottom: 10px;
        top: auto;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .search-box {
        flex-direction: column;
        border-radius: 10px;
    }

    .search-box input {
        border-radius: 10px 10px 0 0;
    }

    .search-box button {
        border-radius: 0 0 10px 10px;
        padding: 15px;
    }
}