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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #8B4513 0%, #D2691E 100%);
    min-height: 100vh;
    color: #333;
}

.navbar {
    background: rgba(255, 255, 255, 0.95);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

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

.navbar h1 {
    color: #8B4513;
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: #A0522D;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 5px;
    transition: all 0.3s;
}

.nav-links a:hover {
    background: #8B4513;
    color: white;
}

.products {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.product-card {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.product-card h3 {
    color: #333;
    margin-bottom: 10px;
}

.product-card p {
    color: #8B4513;
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 15px;
}

.btn {
    display: inline-block;
    background: linear-gradient(135deg, #8B4513 0%, #D2691E 100%);
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.login-form {
    background: white;
    padding: 40px;
    border-radius: 10px;
    max-width: 400px;
    margin: 50px auto;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.login-form h2 {
    color: #8B4513;
    margin-bottom: 30px;
    text-align: center;
}

.login-form input {
    width: 100%;
    padding: 12px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.login-form button {
    width: 100%;
    padding: 12px;
    font-size: 16px;
}

.error {
    background: #ff6b6b;
    color: white;
    padding: 15px;
    border-radius: 5px;
    margin: 20px 0;
}

.success {
    background: #51cf66;
    color: white;
    padding: 15px;
    border-radius: 5px;
    margin: 20px 0;
}

.search-form {
    display: flex;
    gap: 10px;
    margin: 20px 0;
}

.search-form input {
    flex: 1;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.product-detail {
    background: white;
    padding: 30px;
    border-radius: 10px;
    margin-top: 30px;
}

.product-detail h2 {
    color: #8B4513;
    margin-bottom: 20px;
}

.product-detail .description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.product-detail .price {
    color: #A0522D;
    font-size: 1.5rem;
    font-weight: bold;
}

.admin-panel {
    background: white;
    padding: 30px;
    border-radius: 10px;
    margin-top: 30px;
}

.admin-panel h3 {
    color: #8B4513;
    margin-bottom: 20px;
}

.admin-panel ul {
    list-style: none;
}

.admin-panel li {
    margin-bottom: 10px;
}

.admin-panel a {
    color: #A0522D;
    text-decoration: none;
}

.admin-panel a:hover {
    text-decoration: underline;
}

.hint {
    background: #fff3cd;
    color: #856404;
    padding: 10px;
    border-radius: 5px;
    margin-top: 20px;
}

.success-box {
    background: linear-gradient(135deg, #51cf66 0%, #3bc755 100%);
    color: white;
    padding: 25px;
    border-radius: 10px;
    margin: 20px 0;
    box-shadow: 0 5px 15px rgba(81, 207, 102, 0.3);
}

.success-box h4 {
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.flag-box {
    background: rgba(255, 255, 255, 0.2);
    padding: 15px;
    border-radius: 5px;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.flag-box strong {
    font-size: 1.3rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.admin-stats {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
}

.admin-stats h3 {
    color: #8B4513;
    margin-bottom: 15px;
}

.admin-stats ul {
    list-style: none;
}

.admin-stats li {
    padding: 8px 0;
    border-bottom: 1px solid #e9ecef;
}

.admin-stats li:last-child {
    border-bottom: none;
}

h2 {
    color: white;
    margin: 30px 0 20px;
}

.container > h2 {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}