* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        h1 , h2 {
            color: wheat !important;
        }   
        a {
  text-decoration: none;
}     
        body {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
            color: #333;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        
        .container2 {
            width: 100%;
            max-width: 1200px;
            margin-top: 5rem;
        }

        .header {
            text-align: center;
            color: white;
            margin-bottom: 20px;
        }
        
        .header h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
        }
        
        .header p {
            font-size: 1.2rem;
            opacity: 0.9;
        }
        
        /* استایل کارت ها */
        .card {
            background-color: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            overflow: hidden;
            animation: fadeIn 0.5s ease-out;
        }
        
        .card.active {
            display: block;
        }
        
        .card-header {
            background: linear-gradient(90deg, #2575fc 0%, #6a11cb 100%);
            color: white;
            padding: 20px 30px;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .card-body {
            padding: 30px;
        }
        
        /* استایل فرم */
        .form-group {
            margin-bottom: 25px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #444;
        }
        
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 16px;
            transition: border 0.3s;
        }
        
        .form-control:focus {
            border-color: #2575fc;
            outline: none;
        }
        
        select.form-control {
            cursor: pointer;
        }
        
        /* استایل دکمه ها */
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: linear-gradient(90deg, #2575fc 0%, #6a11cb 100%);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .btn-block {
            display: block;
            width: 100%;
        }
        
        .btn-logout {
            background: linear-gradient(90deg, #ff416c 0%, #ff4b2b 100%);
            margin-top: 15px;
        }
        
        /* استایل بخش امضا */
        .signature-container {
            border: 2px dashed #ccc;
            border-radius: 8px;
            padding: 20px;
            margin-top: 20px;
            background-color: #f9f9f9;
        }
        
        .signature-title {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .signature-title h3 {
            color: #444;
        }
        
        .signature-pad {
            width: 100%;
            height: 200px;
            background-color: white;
            border: 1px solid #ddd;
            border-radius: 5px;
            cursor: crosshair;
            touch-action: none;
        }
        
        .signature-actions {
            display: flex;
            gap: 10px;
            margin-top: 15px;
        }
        
        .btn-clear {
            background: linear-gradient(90deg, #ff9a00 0%, #ff5e00 100%);
        }
        
        .btn-save {
            background: linear-gradient(90deg, #00b09b 0%, #96c93d 100%);
        }
        
        /* استایل لیست کارمندان */
        .employee-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }
        
        .employee-card {
            border: 1px solid #ddd;
            border-radius: 10px;
            padding: 20px;
            background-color: #f9f9f9;
            transition: transform 0.3s;
        }
        
        .employee-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .employee-name {
            font-weight: bold;
            font-size: 1.2rem;
            color: #2575fc;
            margin-bottom: 10px;
        }
        
        .employee-details {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 15px;
        }
        
        .signature-preview {
            height: 60px;
            border: 1px solid #eee;
            border-radius: 5px;
            background-color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #777;
            font-size: 14px;
        }
        
        /* استایل ناوبری */
        .nav-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 20px;
        }
        
        .nav-btn {
            background-color: white;
            color: #2575fc;
            border: 2px solid #2575fc;
            padding: 10px 25px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .nav-btn:hover {
            background-color: #2575fc;
            color: white;
        }
        
        .nav-btn.active {
            background-color: #2575fc;
            color: white;
        }
        
        /* انیمیشن ها */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        /* پیام ها */
        .message {
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 20px;
            text-align: center;
            font-weight: 500;
        }
        
        .message.success {
            background-color: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }
        
        .message.error {
            background-color: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }
        
        /* رسپانسیو */
        @media (max-width: 768px) {
            .card-header {
                font-size: 1.2rem;
                padding: 15px 20px;
            }
            
            .card-body {
                padding: 20px;
            }
            
            .employee-list {
                grid-template-columns: 1fr;
            }
            
            .header h1 {
                font-size: 2rem;
            }
            
            .signature-title {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }


        table {
            width: 100%;
            border-collapse: collapse;
            min-width: 80%;
        }
        
        thead {
            background-color: #3498db;
            color: white;
        }
        
        th {
            padding: 15px;
            text-align: right;
            font-weight: 600;
            border: 1px solid #ddd;
            background-color: #c044a5;
        }
        
        td {
            padding: 12px 15px;
            border: 1px solid #ddd;
            text-align: right;
        }
        
        tbody tr:nth-child(even) {
            background-color: #5fc0f8;
        }
        
        tbody tr:hover {
            background-color: #f1f8ff;
        }
        tr {
           background-color: #cf95e6; 
        }

        .home-btn{
            text-align: center;
            border: 1px solid rgb(255, 255, 255);
            border-radius: 40%;
            width: 10rem;
            padding: 20px;
            color: white;
            margin: 2rem;
        }