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

body {
    font-family: Arial, sans-serif;
    background-color: #f3f3f3;
    color: #111;
}

a {
    color: #1f3c88;
    text-decoration: none;
}

.header {
    background-color: #232f3e;
    color: #fff;
    padding: 20px;
    text-align: center;
}

.nav {
    background-color: #37475a;
}

.nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 12px;
    padding: 10px;
}

.nav a {
    display: block;
    padding: 8px 14px;
    color: #fff;
    font-weight: bold;
}

.nav a:hover {
    background-color: #485769;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.login-wrapper {
    display: flex;
    justify-content: center;
}

.login-box {
    width: 320px;
    padding: 20px;
    border: 1px solid #ddd;
    background-color: #fff;
    text-align: center;
}

.logo-placeholder {
    background-color: #e9e9e9;
    padding: 20px;
    margin-bottom: 15px;
    border: 1px dashed #bbb;
}

.form-group {
    margin-bottom: 12px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 4px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 8px;
}

.button {
    display: inline-block;
    padding: 8px 16px;
    background-color: #ffa41c;
    color: #111;
    border: none;
    cursor: pointer;
}

.button.secondary {
    background-color: #37475a;
    color: #fff;
}

.link-row {
    margin-top: 10px;
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.registration .form-section {
    margin-bottom: 20px;
    border: 1px solid #ddd;
    padding: 15px;
    background-color: #fff;
}

.section-title {
    margin-bottom: 10px;
    font-weight: bold;
}

.dashboard-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    background-color: #fff;
    padding: 10px;
    border: 1px solid #ddd;
}

.search-bar {
    flex: 1;
    display: flex;
    gap: 8px;
}

.search-bar input {
    flex: 1;
    padding: 8px;
}

.filter-layout {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.sidebar {
    width: 220px;
    border: 1px solid #ddd;
    background-color: #fff;
    padding: 15px;
}

.sidebar h4 {
    margin-bottom: 8px;
}

.product-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 15px;
}

.product-card {
    border: 1px solid #ddd;
    background-color: #fff;
    padding: 10px;
    text-align: center;
}

.image-box {
    height: 120px;
    background-color: #e9e9e9;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.checkout-layout {
    display: flex;
    gap: 20px;
}

.column {
    flex: 1;
    border: 1px solid #ddd;
    background-color: #fff;
    padding: 15px;
}

.order-summary ul {
    list-style: none;
    margin-top: 10px;
}

.order-summary li {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
}

.total-row {
    font-weight: bold;
    border-top: 1px solid #ddd;
    margin-top: 10px;
    padding-top: 10px;
}

.back-link {
    display: inline-block;
    margin-bottom: 10px;
}

@media (max-width: 720px) {
    .filter-layout,
    .checkout-layout,
    .dashboard-top {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }
}