/* تنسيقات عامة للنظام */
body {
    font-family: Tahoma, sans-serif;
    background-color: #f4f7f6;
    margin: 0;
    padding: 0;
    direction: rtl;
    text-align: right;
}

/* تنسيق الحاويات والبطاقات */
.container {
    max-width: 1000px;
    margin: 30px auto;
    background: #ffffff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 6px;
    margin-bottom: 20px;
    border: 1px solid #e9ecef;
}

/* الأزرار */
.btn {
    display: inline-block;
    padding: 10px 18px;
    background-color: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s;
}

.btn:hover {
    background-color: #0056b3;
}

.btn-danger {
    background-color: #dc3545;
}

.btn-danger:hover {
    background-color: #c82333;
}

.btn-success {
    background-color: #28a745;
}

.btn-success:hover {
    background-color: #218838;
}

/* الجداول */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

th, td {
    border: 1px solid #dee2e6;
    padding: 12px;
    text-align: center;
    font-size: 14px;
}

th {
    background-color: #343a40;
    color: white;
}

tr:nth-child(even) {
    background-color: #f8f9fa;
}

/* النماذج وحقول الإدخال */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: #495057;
    font-weight: bold;
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 14px;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    border-color: #80bdff;
    outline: none;
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.25);
}

/* رسائل التنبيه والنجاح */
.msg {
    background-color: #d4edda;
    color: #155724;
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 15px;
    border: 1px solid #c3e6cb;
}

.err {
    background-color: #f8d7da;
    color: #721c24;
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 15px;
    border: 1px solid #f5c6cb;
}

/* الروابط العلوية والجانبية */
.nav-links {
    margin-bottom: 20px;
    display: flex;
    gap: 15px;
    border-bottom: 1px solid #dee2e6;
    padding-bottom: 10px;
}

.nav-links a {
    text-decoration: none;
    color: #007bff;
    font-weight: bold;
    padding: 5px 10px;
    border-radius: 4px;
    transition: background 0.2s;
}

.nav-links a:hover {
    background-color: #e9ecef;
}

.back-link {
    display: inline-block;
    margin-bottom: 15px;
    text-decoration: none;
    color: #007bff;
    font-weight: bold;
}