body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
    margin: 0;
}

.container {
    max-width: 1100px;
    margin: 20px auto;
    padding: 20px;
}

.header {
    background: #fff;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

    .header nav a {
        text-decoration: none;
        color: #007bff;
        margin-left: 15px;
        font-weight: 500;
    }

.card {
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 15px;
}

    .form-group label {
        display: block;
        margin-bottom: 5px;
        font-weight: 600;
    }

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    background-color: #007bff;
    color: #fff;
    font-size: 1em;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    text-align: center;
}

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

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

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

    .table th, .table td {
        padding: 12px;
        border: 1px solid #ddd;
        text-align: left;
    }

    .table th {
        background-color: #f2f2f2;
    }

.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.ticket-reply {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
}

    .ticket-reply .meta {
        font-size: 0.9em;
        color: #666;
        margin-bottom: 10px;
        padding-bottom: 10px;
        border-bottom: 1px solid #eee;
    }

.admin-reply {
    background-color: #e7f3fe;
}

.status-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: bold;
    color: #fff;
}

.status-Açık {
    background-color: #28a745;
}

.status-İşlemde {
    background-color: #ffc107;
    color: #212529;
}

.status-Kapandı {
    background-color: #6c757d;
}