/* General Styles */
body {
    font-family: Arial, sans-serif;
    background: #f4f4f9;
    color: #333;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1000px;
    margin: 20px auto;
    padding: 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Header */
header {
    text-align: center;
    margin-bottom: 20px;
}

header h1 {
    margin-bottom: 5px;
}

header p a {
    color: #007bff;
    text-decoration: none;
}

header p a:hover {
    text-decoration: underline;
}

/* Messages */
.message {
    padding: 10px;
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    border-radius: 5px;
    margin-bottom: 15px;
}

.error {
    padding: 10px;
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-radius: 5px;
    margin-bottom: 15px;
}

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

table th, table td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
}

table th {
    background: #007bff;
    color: white;
}

/* Forms */
form label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}

form input[type="text"],
form input[type="number"],
form input[type="password"],
form input[type="email"],
form textarea,
form select {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border-radius: 5px;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

form button {
    margin-top: 15px;
    padding: 10px 20px;
    background: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

form button:hover {
    background: #0056b3;
}

/* Links */
a {
    color: #007bff;
}

a:hover {
    text-decoration: underline;
}

/* Sections */
.low-stock, .all-stock, .admin-links, .user-form, .user-list {
    margin-bottom: 30px;
}

/* Login page */
.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    table, thead, tbody, th, td, tr {
        display: block;
    }

    table tr {
        margin-bottom: 15px;
    }

    table td {
        text-align: right;
        padding-left: 50%;
        position: relative;
    }

    table td::before {
        content: attr(data-label);
        position: absolute;
        left: 10px;
        width: 45%;
        padding-left: 5px;
        font-weight: bold;
        text-align: left;
    }
}