/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

/* Header and Navigation */
.navbar {
    background-color: #2c3e50;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
}

.nav-logo a {
    color: #fff;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-item {
    margin-left: 1.5rem;
}

.nav-link {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #3498db;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #fff;
    margin: 3px 0;
    transition: 0.3s;
}

/* Main content */
main {
    min-height: calc(100vh - 140px);
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Forms */
.form-container {
    max-width: 500px;
    margin: 2rem auto;
    padding: 2rem;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.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: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.btn {
    display: inline-block;
    background: #3498db;
    color: #fff;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 1rem;
    transition: background 0.3s;
}

.btn:hover {
    background: #2980b9;
}

.btn-success {
    background: #27ae60;
}

.btn-success:hover {
    background: #219653;
}

.btn-danger {
    background: #e74c3c;
}

.btn-danger:hover {
    background: #c0392b;
}

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

.product-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

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

.product-info {
    padding: 1rem;
}

.product-name {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.product-price {
    font-weight: bold;
    color: #e74c3c;
    margin-bottom: 1rem;
}

/* Dashboard */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: #3498db;
}

/* Cart */
.cart-item {
    display: flex;
    background: #fff;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.cart-item-image {
    width: 100px;
    height: 100px;
    object-fit: cover;
    margin-right: 1rem;
}

.cart-item-details {
    flex-grow: 1;
}

.quantity-controls {
    display: flex;
    align-items: center;
    margin-top: 0.5rem;
}

.quantity-btn {
    background: #f1f1f1;
    border: none;
    width: 30px;
    height: 30px;
    cursor: pointer;
    border-radius: 4px;
}

.quantity-input {
    width: 50px;
    text-align: center;
    margin: 0 0.5rem;
    padding: 0.25rem;
}

.cart-total {
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-top: 2rem;
    text-align: right;
}

/* Orders */
.order-card {
    background: #fff;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.order-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #eee;
}

.order-items {
    margin-top: 1rem;
}

.order-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f9f9f9;
}

/* Footer */
footer {
    background: #2c3e50;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
}

/* Messages */
.message {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}

.message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Responsive design */
@media screen and (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: #2c3e50;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        margin: 1rem 0;
    }
    
    .cart-item {
        flex-direction: column;
    }
    
    .cart-item-image {
        width: 100%;
        height: 200px;
        margin-right: 0;
        margin-bottom: 1rem;
    }
}