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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Header & Navigation */
header {
    background: linear-gradient(135deg, #2c5f2d 0%, #4a8f3b 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
    font-weight: 500;
}

nav a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)), 
                url('https://images.unsplash.com/photo-1560493676-04071c5f467b?w=1200') center/cover;
    color: white;
    text-align: center;
    padding: 8rem 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: #4a8f3b;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn:hover {
    background: #2c5f2d;
}

.btn-danger {
    background: #dc3545;
}

.btn-danger:hover {
    background: #c82333;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

/* Product Categories */
.categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.category-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.category-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.category-card h3 {
    padding: 1.5rem;
    text-align: center;
    color: #2c5f2d;
}

/* Colored Category Cards (no images) */
.category-color-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    padding: 2rem;
}

.category-color-card h3 {
    color: white;
    padding: 0.5rem;
    margin-top: 1rem;
    font-size: 1.5rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.category-icon {
    font-size: 4rem;
}

.category-color-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.2);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    margin-bottom: 0.5rem;
    color: #2c5f2d;
}

.product-info .price {
    font-size: 1.5rem;
    color: #4a8f3b;
    font-weight: bold;
    margin: 0.5rem 0;
}

.product-info .description {
    color: #666;
    font-size: 0.9rem;
}

/* Product Detail Page */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.product-images {
    position: relative;
}

.main-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.thumbnail-images {
    display: flex;
    gap: 1rem;
}

.thumbnail {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 5px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border 0.3s;
}

.thumbnail:hover,
.thumbnail.active {
    border-color: #4a8f3b;
}

.product-details h1 {
    color: #2c5f2d;
    margin-bottom: 1rem;
}

.product-details .price {
    font-size: 2rem;
    color: #4a8f3b;
    font-weight: bold;
    margin: 1rem 0;
}

.product-details .description {
    margin: 1.5rem 0;
    line-height: 1.8;
}

/* Contact & About Pages */
.contact-form {
    max-width: 600px;
    margin: 2rem auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* Admin Styles */
.admin-container {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 2rem;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.product-list {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.product-list table {
    width: 100%;
    border-collapse: collapse;
}

.product-list th,
.product-list td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.product-list th {
    background: #f8f9fa;
    font-weight: 600;
}

.product-list img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 5px;
}

.actions {
    display: flex;
    gap: 0.5rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.close {
    font-size: 2rem;
    cursor: pointer;
    color: #999;
}

.close:hover {
    color: #333;
}

/* Footer */
footer {
    background: #2c5f2d;
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
}

/* Loading Spinner */
.loading {
    text-align: center;
    padding: 2rem;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #4a8f3b;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

/* Login Page Styles */
.login-container {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
}

.login-box {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 420px;
}

.login-box h1 {
    color: #2c5f2d;
    text-align: center;
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
}

.login-box::before {
    content: '';
    display: block;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2c5f2d 0%, #4a8f3b 100%);
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='white' viewBox='0 0 24 24'%3E%3Cpath d='M12 2C9.24 2 7 4.24 7 7c0 2.85 2.92 7.21 5 9.88 2.11-2.69 5-7 5-9.88 0-2.76-2.24-5-5-5zm0 7.5c-1.38 0-2.5-1.12-2.5-2.5s1.12-2.5 2.5-2.5 2.5 1.12 2.5 2.5-1.12 2.5-2.5 2.5z'/%3E%3C/svg%3E");
    background-size: 30px;
    background-repeat: no-repeat;
    background-position: center;
}

.auth-form .form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.auth-form .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
    font-size: 0.9rem;
}

.auth-form .form-group input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
}

.auth-form .form-group input:focus {
    outline: none;
    border-color: #4a8f3b;
    background-color: white;
    box-shadow: 0 0 0 4px rgba(74, 143, 59, 0.1);
}

.auth-form .form-group input::placeholder {
    color: #adb5bd;
}

/* Input icons */
.auth-form .form-group::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 2.4rem;
    width: 20px;
    height: 20px;
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.5;
}

.auth-form .form-group:has(#username)::before,
.auth-form .form-group:has(#forgotUsername)::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23666' viewBox='0 0 24 24'%3E%3Cpath d='M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z'/%3E%3C/svg%3E");
}

.auth-form .form-group:has(#password)::before,
.auth-form .form-group:has(#newPassword)::before,
.auth-form .form-group:has(#confirmPassword)::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23666' viewBox='0 0 24 24'%3E%3Cpath d='M18 8h-1V6c0-2.76-2.24-5-5-5S7 3.24 7 6v2H6c-1.1 0-2 .9-2 2v10c0 1.1.9 2 2 2h12c1.1 0 2-.9 2-2V10c0-1.1-.9-2-2-2zm-6 9c-1.1 0-2-.9-2-2s.9-2 2-2 2 .9 2 2-.9 2-2 2zm3.1-9H8.9V6c0-1.71 1.39-3.1 3.1-3.1 1.71 0 3.1 1.39 3.1 3.1v2z'/%3E%3C/svg%3E");
}

.auth-form .form-group:has(#resetCode)::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23666' viewBox='0 0 24 24'%3E%3Cpath d='M17.81 4.47c-.08 0-.16-.02-.23-.06C15.66 3.42 14 3 12.01 3c-1.98 0-3.86.47-5.57 1.41-.24.13-.54.04-.68-.2-.13-.24-.04-.55.2-.68C7.82 2.52 9.86 2 12.01 2c2.13 0 3.99.47 6.03 1.52.25.13.34.43.21.67-.09.18-.26.28-.44.28zM3.5 9.72c-.1 0-.2-.03-.29-.09-.23-.16-.28-.47-.12-.7.99-1.4 2.25-2.5 3.75-3.27C9.98 4.04 14 4.03 17.15 5.65c1.5.77 2.76 1.86 3.75 3.25.16.22.11.54-.12.7-.23.16-.54.11-.7-.12-.9-1.26-2.04-2.25-3.39-2.94-2.87-1.47-6.54-1.47-9.4.01-1.36.7-2.5 1.7-3.4 2.96-.08.14-.23.21-.39.21zm6.25 12.07c-.13 0-.26-.05-.35-.15-.87-.87-1.34-1.43-2.01-2.64-.69-1.23-1.05-2.73-1.05-4.34 0-2.97 2.54-5.39 5.66-5.39s5.66 2.42 5.66 5.39c0 .28-.22.5-.5.5s-.5-.22-.5-.5c0-2.42-2.09-4.39-4.66-4.39-2.57 0-4.66 1.97-4.66 4.39 0 1.44.32 2.77.93 3.85.64 1.15 1.08 1.64 1.85 2.42.19.2.19.51 0 .71-.11.1-.24.15-.37.15zm7.17-1.85c-1.19 0-2.24-.3-3.1-.89-1.49-1.01-2.38-2.65-2.38-4.39 0-.28.22-.5.5-.5s.5.22.5.5c0 1.41.72 2.74 1.94 3.56.71.48 1.54.71 2.54.71.24 0 .64-.03 1.04-.1.27-.05.53.13.58.41.05.27-.13.53-.41.58-.57.11-1.07.12-1.21.12zM14.91 22c-.04 0-.09-.01-.13-.02-1.59-.44-2.63-1.03-3.72-2.1-1.4-1.39-2.17-3.24-2.17-5.22 0-1.62 1.38-2.94 3.08-2.94 1.7 0 3.08 1.32 3.08 2.94 0 1.07.93 1.94 2.08 1.94s2.08-.87 2.08-1.94c0-3.77-3.25-6.83-7.25-6.83-2.84 0-5.44 1.58-6.61 4.03-.39.81-.59 1.76-.59 2.8 0 .78.07 2.01.67 3.61.1.26-.03.55-.29.64-.26.1-.55-.04-.64-.29-.49-1.31-.73-2.61-.73-3.96 0-1.2.23-2.29.68-3.24 1.33-2.79 4.28-4.6 7.51-4.6 4.55 0 8.25 3.51 8.25 7.83 0 1.62-1.38 2.94-3.08 2.94s-3.08-1.32-3.08-2.94c0-1.07-.93-1.94-2.08-1.94s-2.08.87-2.08 1.94c0 1.71.66 3.31 1.87 4.51.95.94 1.86 1.46 3.27 1.85.27.07.42.35.35.61-.05.23-.26.38-.47.38z'/%3E%3C/svg%3E");
}

.auth-form .btn {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    margin-top: 0.5rem;
}

.auth-links {
    text-align: center;
    margin-top: 1.5rem;
}

.auth-links a {
    color: #4a8f3b;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.auth-links a:hover {
    color: #2c5f2d;
    text-decoration: underline;
}

.error-message {
    color: #dc3545;
    background: #f8d7da;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: none;
    font-size: 0.9rem;
    border-left: 4px solid #dc3545;
}

.error-message:not(:empty) {
    display: block;
}

.success-message {
    color: #155724;
    background: #d4edda;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: none;
    font-size: 0.9rem;
    border-left: 4px solid #28a745;
}

.success-message:not(:empty) {
    display: block;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .product-detail {
        grid-template-columns: 1fr;
    }
    
    nav ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    .admin-header {
        flex-direction: column;
        gap: 1rem;
    }
}