/* Omani Center OS - Basic Styles */
/* Reset and base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    direction: rtl;
    lang: ar;
}

body {
    font-family: "Segoe UI", Tahoma, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    margin: 0;
    padding: 0;
}

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

a:hover {
    text-decoration: underline;
}

header {
    background-color: #003366;
    color: white;
    padding: 1rem;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 1.8rem;
}

nav {
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

nav a {
    color: #fff;
    margin: 0 0.5rem;
}

nav a:hover {
    text-decoration: none;
}

main {
    padding: 2rem;
    max-width: 800px;
    margin: auto;
}

.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}

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

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.login-box {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    max-width: 400px;
    margin: 2rem auto;
}

.login-box h2 {
    margin-top: 0;
    text-align: center;
    color: #003366;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: right;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 1rem;
}

button {
    background-color: #003366;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
}

button:hover {
    background-color: #002244;
}

footer {
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
    color: #666;
    font-size: 0.9rem;
}

/* Responsive adjustments */
@media (max-width: 600px) {
    header h1 {
        font-size: 1.5rem;
    }
    nav {
        font-size: 0.8rem;
    }
    main {
        padding: 1rem;
    }
    .login-box {
        margin: 1rem auto;
        padding: 1.5rem;
    }
}