:root {
    --primary-color: #007bff;
    --background-color: #f8f9fa;
    --text-color: #333;
    --border-color: #dee2e6;
    --header-bg: #fff;
    --font-family: 'Tajawal', sans-serif;
}

body {
    font-family: var(--font-family);
    margin: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    direction: rtl;
    text-align: right;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
}

header h1 {
    color: var(--primary-color);
    margin-bottom: 8px;
}

.search-container {
    margin-top: 20px;
}

#searchInput {
    width: 100%;
    padding: 12px 15px;
    font-size: 16px;
    font-family: var(--font-family);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    box-sizing: border-box;
    transition: border-color 0.3s, box-shadow 0.3s;
}

#searchInput:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 8px rgba(0, 123, 255, 0.25);
    outline: none;
}

.table-container {
    overflow-x: auto;
    background-color: var(--header-bg);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

th, td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

thead tr {
    background-color: #f1f3f5;
}

th {
    font-weight: 700;
    text-align: right;
    color: #495057;
}

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

.message {
    padding: 40px 20px;
    text-align: center;
    color: #6c757d;
    font-size: 1.1em;
}

.loader-container {
    text-align: center;
    padding: 40px 20px;
    color: #6c757d;
}

.loader {
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive adjustments */
@media (max-width: 600px) {
    .container {
        padding: 15px;
    }

    header h1 {
        font-size: 1.8em;
    }

    th, td {
        padding: 10px;
        font-size: 14px;
    }
}