* {
    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: #f4f4f4;
}

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

/* Header styles */
header {
    background: #2c3e50;
    color: white;
    padding: 1rem;
    margin-bottom: 2rem;
    border-radius: 5px;
}

header h1 {
    margin-bottom: 1rem;
}

nav a {
    color: white;
    text-decoration: none;
    margin-right: 15px;
    padding: 5px 10px;
    border-radius: 3px;
    transition: background-color 0.3s;
}

nav a:hover {
    background-color: #34495e;
}

/* Form styles */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

button,
.btn {
    background-color: #3498db;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    text-decoration: none;
    display: inline-block;
    margin: 5px 0;
}

button:hover,
.btn:hover {
    background-color: #2980b9;
}

.cancel {
    background-color: #95a5a6;
}

.cancel:hover {
    background-color: #7f8c8d;
}

/* Login form */
.login-form {
    max-width: 400px;
    margin: 50px auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

/* Messages */
.error {
    background-color: #e74c3c;
    color: white;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
}

.success {
    background-color: #2ecc71;
    color: white;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
    word-break: break-all;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: white;
}

table th,
table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

table th {
    background-color: #34495e;
    color: white;
}

table tr:hover {
    background-color: #f8f9fa;
}

/* Order form */
.order-form {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

/* Customer form */
.customer-form {
    max-width: 500px;
    margin: 50px auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

/* Order status */
.order-status {
    max-width: 800px;
    margin: 50px auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.order-info,
.status-info {
    margin-bottom: 20px;
    padding: 20px;
    border: 1px solid #eee;
    border-radius: 5px;
}

.status-display {
    font-size: 24px;
    font-weight: bold;
    color: #3498db;
    text-align: center;
    padding: 20px;
    background-color: #ecf0f1;
    border-radius: 5px;
}

.refresh-info {
    text-align: center;
    margin-top: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    header h1 {
        font-size: 1.5rem;
    }
    
    nav a {
        display: block;
        margin: 5px 0;
    }
    
    table {
        font-size: 14px;
    }
    
    table th,
    table td {
        padding: 8px;
    }
}